Denver, CO DEN to Chicago, IL CHI flight with American Airlines

Fri, Jun 19
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Journey information

Overview: Denver, CO to Chicago, IL flight

USAUSA
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Icon of flight

Flights from Denver, CO to Chicago, IL depart on average 70 times per day, taking around 2h 31m. Cheap flight tickets for this journey start at $35 (€28) if you book in advance.

There are 11 flights per day. The earliest flight runs at 00:01, the last at 23:58. The fastest flight covers the 916 miles (1475 km) distance in 2h 27m. May is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
916 miles (1475 km)
Average flight duration
2h 31m
Cheapest ticket price
$35 (€28)
Flights per day
70
Direct flights
11
Fastest flight
2h 27m
First flight
12:01 AM
Last flight
11:58 PM
Cheapest Month
May
Cheapest Day
Sun
High Season
Oct - Dec
Low Season
Jul - Sep
Busiest Day
Sun
Least Busy Day
Tue
Best time to book
42 days
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

The cheapest and fastest flights from Denver, CO to Chicago, IL

Showing times and prices for Jun 19

Cheapest price

$238

Average price

$558

Fastest journey

2 h 38 m

Average duration

2 h 39 m

Flights per day

76

Distance

1475 km

Cheap tickets

The best way to find a cheap flight ticket from Denver, CO to Chicago, IL is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Denver, CO to Chicago, IL will cost around $558 if you buy it on the day, but the cheapest tickets can be found for only $238.

Fast flights

Of the 76 flights that leave Denver, CO for Chicago, IL onFri, Jun 19, 17 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Fri, Jun 19 the direct flights cover the 1475 km distance in an average of 2 h 39 m but if you time it right, some flights will get you there in just 2 h 38 m .

On Fri, Jun 19 the longest flights will take 2 h 39 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • American AirlinesAA1744
    12:28 PM2h42
    Denver International Airport
    4:10 PMO'Hare International Airport
    $2381One-way
    0 transfers
  • American AirlinesAA1734
    5:45 PM2h50
    Denver International Airport
    9:35 PMO'Hare International Airport
    $2381One-way
    0 transfers
  • American AirlinesAA1757 · AA2786
    12:15 PM8h04
    Denver International Airport
    9:19 PMO'Hare International Airport
    $2481One-way
    1 transfer
  • American AirlinesAA1404 · AA338
    8:08 AM8h46
    Denver International Airport
    5:54 PMO'Hare International Airport
    $2481One-way
    1 transfer
  • American AirlinesAA1322 · AA1193
    6:10 PM5h29
    Denver International Airport
    12:39 AMO'Hare International Airport
    $2481One-way
    1 transfer

Travel Information

Compare train, bus, and flight for Denver, CO to Chicago, IL

Omio recommends booking the train as it is the most popular option from Denver, CO to Chicago, IL among Omio's users. If you are prioritising price take the bus with prices starting from $74. For those with little time consider booking a flight which can get you there in 2h 31m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.4 - 1.3kg. The ticket price range depends on the travel mode: a bus costs an average of $74, and a train costs an average of $93.

Distance: 916 miles (1475 km)

Compare flight with

Flight
Most popular
Train
Bus
Driving

$173

Average price

$289

Average price

$145

Average price

Cheapest

$212

Average price

(fuel + tolls)

5h 31m

Average total duration

Fastest

2h 31m

Onboard

+

3h 0m

Additional time*

19h 11m

Average total duration

18h 41m

Onboard

+

30m

Additional time*

23h 31m

Average total duration

23h 1m

Onboard

+

30m

Additional time*

14h 21m

Average total duration

(door-to-door)

4.4 - 8.8kg

CO2 emissions

0.4 - 1.3kg

CO2 emissions

Lowest

1.5 - 3.7kg

CO2 emissions

-

CO2 emissions

American Airlines

Most popular airline

Amtrak

Most popular train company

Greyhound

Most popular bus company

Your own car or car rental

Direct Options

Direct Options

Direct Options

Direct Options

Additional time: Average total travel duration to departure point, security checks and transfers.

The cheapest way to travel from Denver, CO to Chicago, IL is a bus with an average price of $145 (€119).

This is compared to other travel options from Denver, CO to Chicago, IL:

A bus is $27 (€22) less than a flight for this route with tickets for a flight from Denver, CO to Chicago, IL costing on average $173 (€141).

A bus is $144 (€117) less than a train for this route with tickets for a train from Denver, CO to Chicago, IL costing on average $289 (€236).

The fastest way to travel from Denver, CO to Chicago, IL is by flight with an average journey time of 2h 31m.

Other travel options to Chicago, IL take longer:

Train takes on average 18h 41m.

Bus takes on average 23h 1m.

It's helpful to compare your options as there are 3 ways to travel between Denver, CO and Chicago, IL including taking a train, bus, and flight.
We recommend using the train as it is the most popular way to get from Denver, CO to Chicago, IL among Omio's users.

Live departures

Denver, CO to Chicago, IL flight times

The table below shows live departures for Denver, CO to Chicago, IL flights for today, Thursday, June 18. You can also manually refresh the results below to see updated flight journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
American AirlinesAA2612 · AA12905:00 AM Denver International Airport
5h59
11:59 AM O'Hare International Airport1 transfer
UnitedUA320 · UA21245:00 AM Denver International Airport
6h29
12:29 PM O'Hare International Airport1 transfer
frontier airlinesF92550 · F932425:05 AM Denver International Airport
5h31
11:36 AM O'Hare International Airport1 transfer
frontier airlinesF92550 · F913425:05 AM Denver International Airport
9h48
3:53 PM O'Hare International Airport1 transfer
Alaska AirlinesAS1617 · AS14936:00 AM Denver International Airport
16h36
11:36 PM O'Hare International Airport1 transfer
UnitedUA13776:00 AM Denver International Airport
2h38
9:38 AM O'Hare International Airport0 transfersDirect
Alaska AirlinesAS1617 · AS753 · AS4106:00 AM Denver International Airport
12h06
7:06 PM O'Hare International Airport2 transfers
frontier airlinesF94646 · F930436:00 AM Denver International Airport
26h21
9:21 AM O'Hare International Airport1 transfer
frontier airlinesF94646 · F927916:00 AM Denver International Airport
16h19
11:19 PM O'Hare International Airport1 transfer
Alaska AirlinesAS643 · AS5386:02 AM Denver International Airport
16h57
11:59 PM O'Hare International Airport1 transfer
Alaska AirlinesAS643 · AS3466:02 AM Denver International Airport
10h36
5:38 PM O'Hare International Airport1 transfer
Alaska AirlinesAS643 · AS4296:02 AM Denver International Airport
9h42
4:44 PM O'Hare International Airport1 transfer
Alaska AirlinesAS643 · AS4106:02 AM Denver International Airport
12h04
7:06 PM O'Hare International Airport1 transfer
frontier airlinesF92514 · F921116:05 AM Denver International Airport
11h42
6:47 PM O'Hare International Airport1 transfer
frontier airlinesF92015 · F921466:10 AM Denver International Airport
21h57
5:07 AM O'Hare International Airport1 transfer
American AirlinesAA2078 · AA29886:22 AM Denver International Airport
8h17
3:39 PM O'Hare International Airport1 transfer
frontier airlinesF93294 · F915956:30 AM Denver International Airport
12h20
7:50 PM O'Hare International Airport1 transfer
American AirlinesAA573 · AA20806:38 AM Denver International Airport
8h10
3:48 PM O'Hare International Airport1 transfer
American AirlinesAA573 · AA25306:38 AM Denver International Airport
6h45
2:23 PM O'Hare International Airport1 transfer
American AirlinesAA573 · AA29076:38 AM Denver International Airport
9h05
4:43 PM O'Hare International Airport1 transfer
frontier airlinesF93206 · F931367:00 AM Denver International Airport
16h48
12:48 AM O'Hare International Airport1 transfer
American AirlinesAA27717:05 AM Denver International Airport
2h38
10:43 AM O'Hare International Airport0 transfersDirect
American AirlinesAA1090 · AA29887:13 AM Denver International Airport
7h26
3:39 PM O'Hare International Airport1 transfer
UnitedUA773 · UA5767:40 AM Denver International Airport
4h35
1:15 PM O'Hare International Airport1 transfer
UnitedUA6072 · UA51197:40 AM Denver International Airport
3h48
12:28 PM O'Hare International Airport1 transfer
UnitedUA19287:40 AM Denver International Airport
2h43
11:23 AM O'Hare International Airport0 transfersDirect
UnitedUA5260 · UA45257:42 AM Denver International Airport
4h28
1:10 PM O'Hare International Airport1 transfer
UnitedUA1720 · UA24177:42 AM Denver International Airport
6h09
2:51 PM O'Hare International Airport1 transfer
UnitedUA1720 · UA1388 · UA15647:42 AM Denver International Airport
11h53
8:35 PM O'Hare International Airport2 transfers
UnitedUA4801 · UA14107:52 AM Denver International Airport
4h11
1:03 PM O'Hare International Airport1 transfer
UnitedUA1638 · UA5450 · UA12108:00 AM Denver International Airport
14h31
11:31 PM O'Hare International Airport2 transfers
UnitedUA5247 · UA24378:00 AM Denver International Airport
4h15
1:15 PM O'Hare International Airport1 transfer
UnitedUA24308:00 AM Denver International Airport
2h44
11:44 AM O'Hare International Airport0 transfersDirect
Alaska AirlinesAS1626 · AS3768:00 AM Denver International Airport
20h00
5:00 AM O'Hare International Airport1 transfer
Alaska AirlinesAS1626 · AS3078 · AS5388:00 AM Denver International Airport
14h59
11:59 PM O'Hare International Airport2 transfers
Alaska AirlinesAS1626 · AS2205 · AS5388:00 AM Denver International Airport
14h59
11:59 PM O'Hare International Airport2 transfers
Alaska AirlinesAS1626 · AS3408 · AS5388:00 AM Denver International Airport
14h59
11:59 PM O'Hare International Airport2 transfers
Alaska AirlinesAS1626 · AS3431 · AS4108:00 AM Denver International Airport
10h06
7:06 PM O'Hare International Airport2 transfers
UnitedUA5219 · UA6008:05 AM Denver International Airport
4h10
1:15 PM O'Hare International Airport1 transfer
Alaska AirlinesAS317 · AS3288:40 AM Denver International Airport
20h40
6:20 AM O'Hare International Airport1 transfer
Alaska AirlinesAS317 · AS4108:40 AM Denver International Airport
9h26
7:06 PM O'Hare International Airport1 transfer
Alaska AirlinesAS317 · AS5388:40 AM Denver International Airport
14h19
11:59 PM O'Hare International Airport1 transfer
Alaska AirlinesAS317 · AS3468:40 AM Denver International Airport
7h58
5:38 PM O'Hare International Airport1 transfer
American AirlinesAA1523 · AA29888:59 AM Denver International Airport
5h40
3:39 PM O'Hare International Airport1 transfer
American AirlinesAA1523 · AA27408:59 AM Denver International Airport
8h06
6:05 PM O'Hare International Airport1 transfer
UnitedUA652 · UA13829:35 AM Denver International Airport
4h08
2:43 PM O'Hare International Airport1 transfer
UnitedUA23299:35 AM Denver International Airport
2h40
1:15 PM O'Hare International Airport0 transfersDirect
UnitedUA1575 · UA3089:35 AM Denver International Airport
7h57
6:32 PM O'Hare International Airport1 transfer
UnitedUA596 · UA43979:50 AM Denver International Airport
5h34
4:24 PM O'Hare International Airport1 transfer
UnitedUA5481 · UA44669:54 AM Denver International Airport
6h08
5:02 PM O'Hare International Airport1 transfer
frontier airlinesF93600 · F915959:58 AM Denver International Airport
8h52
7:50 PM O'Hare International Airport1 transfer
UnitedUA405 · UA5450 · UA121010:02 AM Denver International Airport
12h29
11:31 PM O'Hare International Airport2 transfers
American AirlinesAA1754 · AA53610:07 AM Denver International Airport
6h35
5:42 PM O'Hare International Airport1 transfer
American AirlinesAA1754 · AA248810:07 AM Denver International Airport
8h38
7:45 PM O'Hare International Airport1 transfer
UnitedUA2841 · UA1388 · UA156410:07 AM Denver International Airport
9h28
8:35 PM O'Hare International Airport2 transfers
frontier airlinesF91993 · F9214610:25 AM Denver International Airport
17h42
5:07 AM O'Hare International Airport1 transfer
American AirlinesAA1756 · AA274010:33 AM Denver International Airport
6h32
6:05 PM O'Hare International Airport1 transfer
frontier airlinesF93312 · F9304310:46 AM Denver International Airport
21h35
9:21 AM O'Hare International Airport1 transfer
frontier airlinesF93312 · F9279110:46 AM Denver International Airport
11h33
11:19 PM O'Hare International Airport1 transfer
UnitedUA286511:15 AM Denver International Airport
2h40
2:55 PM O'Hare International Airport0 transfersDirect
Alaska AirlinesAS1618 · AS149311:32 AM Denver International Airport
11h04
11:36 PM O'Hare International Airport1 transfer
Alaska AirlinesAS1618 · AS465 · AS53811:32 AM Denver International Airport
11h27
11:59 PM O'Hare International Airport2 transfers
UnitedUA1013 · UA21211:45 AM Denver International Airport
10h31
11:16 PM O'Hare International Airport1 transfer
Alaska AirlinesAS684 · AS37612:02 PM Denver International Airport
15h58
5:00 AM O'Hare International Airport1 transfer
Alaska AirlinesAS684 · AS3408 · AS53812:02 PM Denver International Airport
10h57
11:59 PM O'Hare International Airport2 transfers
American AirlinesAA3312 · AA304212:16 PM Denver International Airport
8h14
9:30 PM O'Hare International Airport1 transfer
American AirlinesAA174412:28 PM Denver International Airport
2h42
4:10 PM O'Hare International Airport0 transfersDirect
American AirlinesAA2359 · AA247412:39 PM Denver International Airport
5h49
7:28 PM O'Hare International Airport1 transfer
frontier airlinesF94967 · F9214612:47 PM Denver International Airport
15h20
5:07 AM O'Hare International Airport1 transfer
Alaska AirlinesAS381 · AS32812:55 PM Denver International Airport
16h25
6:20 AM O'Hare International Airport1 transfer
Alaska AirlinesAS381 · AS2372 · AS37612:55 PM Denver International Airport
15h05
5:00 AM O'Hare International Airport2 transfers
Alaska AirlinesAS381 · AS2302 · AS37612:55 PM Denver International Airport
15h05
5:00 AM O'Hare International Airport2 transfers
Alaska AirlinesAS381 · AS498 · AS37612:55 PM Denver International Airport
15h05
5:00 AM O'Hare International Airport2 transfers
Alaska AirlinesAS381 · AS53812:55 PM Denver International Airport
10h04
11:59 PM O'Hare International Airport1 transfer
Alaska AirlinesAS381 · AS57812:55 PM Denver International Airport
22h08
12:03 PM O'Hare International Airport1 transfer
UnitedUA6171:25 PM Denver International Airport
2h40
5:05 PM O'Hare International Airport0 transfersDirect
UnitedUA1639 · UA44111:25 PM Denver International Airport
6h10
8:35 PM O'Hare International Airport1 transfer
UnitedUA586 · UA16411:40 PM Denver International Airport
4h23
7:03 PM O'Hare International Airport1 transfer
UnitedUA578 · UA1609 · UA7871:45 PM Denver International Airport
8h30
11:15 PM O'Hare International Airport2 transfers
UnitedUA578 · UA15641:45 PM Denver International Airport
5h50
8:35 PM O'Hare International Airport1 transfer
UnitedUA578 · UA1609 · UA17521:45 PM Denver International Airport
10h00
12:45 AM O'Hare International Airport2 transfers
UnitedUA2327 · UA28321:50 PM Denver International Airport
5h44
8:34 PM O'Hare International Airport1 transfer
American AirlinesAA1758 · AA6271:57 PM Denver International Airport
6h36
9:33 PM O'Hare International Airport1 transfer
American AirlinesAA1758 · AA30141:57 PM Denver International Airport
9h01
11:58 PM O'Hare International Airport1 transfer
American AirlinesAA17602:22 PM Denver International Airport
2h48
6:10 PM O'Hare International Airport0 transfersDirect
UnitedUA10233:06 PM Denver International Airport
2h45
6:51 PM O'Hare International Airport0 transfersDirect
American AirlinesAA420 · AA23463:11 PM Denver International Airport
7h21
11:32 PM O'Hare International Airport1 transfer
American AirlinesAA420 · AA11933:11 PM Denver International Airport
8h28
12:39 AM O'Hare International Airport1 transfer
American AirlinesAA420+envoy airAA35313:11 PM Denver International Airport
6h24
10:35 PM O'Hare International Airport1 transfer
UnitedUA414 · UA15173:42 PM Denver International Airport
5h38
10:20 PM O'Hare International Airport1 transfer
UnitedUA414 · UA2114 · UA17523:42 PM Denver International Airport
8h03
12:45 AM O'Hare International Airport2 transfers
UnitedUA1254 · UA12103:43 PM Denver International Airport
6h48
11:31 PM O'Hare International Airport1 transfer
American AirlinesAA1735 · AA30143:57 PM Denver International Airport
7h01
11:58 PM O'Hare International Airport1 transfer
frontier airlinesF92349 · F921464:26 PM Denver International Airport
11h41
5:07 AM O'Hare International Airport1 transfer
UnitedUA6754:29 PM Denver International Airport
2h42
8:11 PM O'Hare International Airport0 transfersDirect
UnitedUA11314:45 PM Denver International Airport
2h45
8:30 PM O'Hare International Airport0 transfersDirect
frontier airlinesF931745:05 PM Denver International Airport
2h38
8:43 PM O'Hare International Airport0 transfersDirect
American AirlinesAA17345:45 PM Denver International Airport
2h50
9:35 PM O'Hare International Airport0 transfersDirect
UnitedUA14116:15 PM Denver International Airport
2h39
9:54 PM O'Hare International Airport0 transfersDirect
UnitedUA655 · UA21027:05 PM Denver International Airport
9h06
5:11 AM O'Hare International Airport1 transfer
UnitedUA22587:10 PM Denver International Airport
2h39
10:49 PM O'Hare International Airport0 transfersDirect
UnitedUA540 · UA14577:20 PM Denver International Airport
8h29
4:49 AM O'Hare International Airport1 transfer
frontier airlinesF92285 · F921467:26 PM Denver International Airport
8h41
5:07 AM O'Hare International Airport1 transfer

This is the last flight of the day.

Find all the dates and times for this journey

How far in advance should I book flight tickets from Denver, CO to Chicago, IL?

The best time to book your flight from Denver, CO to Chicago, IL is 42 days before departure. See how prices for flights change on the Denver, CO to Chicago, IL route.
Prices are for one-way tickets for one passenger from Denver, CO to Chicago, IL per month. Insights are sourced from fares found by Omio users in the last 12 months. Current prices may differ as prices vary depending on the time of day, class or how far in advance you book your flight from Denver, CO to Chicago, IL.

Compare prices and tickets Denver, CO to Chicago, IL by train, bus, or flight

Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

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Why should you book Denver, CO to Chicago, IL flights with Omio?

American Airlines as well as United or frontier airlines offer flights services from Denver, CO to Chicago, IL.
Omio is an official ticket reseller for all your travel options from Denver, CO to Chicago, IL.

Why book with Omio vs American Airlines?

  • Compare with other providers: On Omio, you can not only buy tickets for American Airlines, but also compare tickets for the likes of United or frontier airlines to find the best option for your trip from Denver, CO to Chicago, IL.
  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from Denver, CO to Chicago, IL.

Why book with Omio over Trip, Edreams or Skyscanner?

  • Compare with other providers: On Omio, you can also compare tickets for the likes of United or frontier airlines to find the best option for your trip from Denver, CO to Chicago, IL.
  • Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from Denver, CO to Chicago, IL.

Airlines: American Airlines, United, frontier airlines from Denver, CO to Chicago, ILFind the best flights between Denver, CO to Chicago, IL with Omio's travel partners American Airlines, United, frontier airlines from $35 (€28). We can find you the best deals, schedules and tickets when comparing and booking the best trip.

United

About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
2h 29m
Cheapest Price
$192 (€157)
United frequency
41 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.

American Airlines

About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
2h 33m
Cheapest Price
$119 (€97)
American Airlines frequency
5 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.

frontier airlines

About
Frontier Airlines is a major American ultra-low-cost carrier headquartered in Denver, Colorado, operating flights to over 120 destinations across the United States, Caribbean, Mexico, and Central America. Known for its "Low Fares Done Right" philosophy, Frontier focuses on offering affordable travel by allowing passengers to choose and pay only for the services they need, such as seat selection or baggage. The airline is also recognized for its commitment to fuel efficiency, claiming to be "America's greenest airline" due to its modern, lightweight aircraft and operational practices. A distinctive feature of Frontier is the animal featured on the tail of each aircraft, highlighting North American wildlife.
Luggage & cancellation policy
Average Duration
2h 27m
Cheapest Price
$35 (€28)
frontier airlines frequency
12 a day
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bag fees start at $79 per bag
Cancellation Policy
Non-refundable tickets, changes permitted for fee starting at $79 plus fare difference
Pregnant on board
Pregnant women can travel up to 7 days before due date, medical certificate required after 36 weeks
Unaccompagned minor
Children ages 5-14 can travel alone for $100 fee each way, must be nonstop flight only
Amenities on board the airplane
Wifi
Accessibility
Frontier Airlines offers assistance for passengers with disabilities, including wheelchair service and boarding assistance. Passengers are encouraged to request these services in advance to ensure availability and proper arrangements.

Complete guide to Chicago

Things to do in Chicago

Discover the best of Chicago — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Chicago trip today.

  • Must visit

Art Institute Of Chicago

One of the premier art museums in the US, known for Impressionist masterpieces, modern works, and the iconic bronze lions at its entrance.

  • Must visit

Field Museum

Major natural history museum famous for Sue the T. rex, ancient cultures, and extensive science collections that appeal to both adults and children.

  • Must visit

Museum Of Science And Industry

Large hands-on science museum in Hyde Park featuring a submarine, space exhibits, engineering displays, and immersive family-friendly experiences.

United States Dollar

Moderate for a major U.S. city: casual food is manageable, but hotels, attractions, and downtown dining can be pricey.

Average meal costs

Budget
USD 10-18 for fast food or casual takeout.
Mid-range
USD 20-40 per person at a mid-range restaurant.
Fine dining
USD 75+ per person before drinks and tax.
Coffee
USD 4-7 for a regular café coffee.

Tipping culture

Tip 18-20% in restaurants; 20%+ for great service. Tip bartenders USD 1-2 per drink, taxis about 10-15%, and hotel staff a few dollars.

FAQs: Denver, CO to Chicago, IL Flight

Find answers to the most common questions about traveling from Denver, CO to Chicago, IL by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Chicago, IL, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Denver, CO to Chicago, IL can start from as little as $35 (€28) when you book in advance. The average flight ticket price for Denver, CO to Chicago, IL is $173 (€141) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Denver, CO to Chicago, IL is 2h 27m to travel the 916 miles (1475 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Denver, CO to Chicago, IL leaves at 12:01 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Denver, CO to Chicago, IL leaves at 11:58 PM.
Yes, there are 11 direct flights a day from Denver, CO to Chicago, IL with American Airlines, United, frontier airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Denver, CO to Chicago, IL, you can count on American Airlines, United, frontier airlines for the best way to get you to Chicago, IL. You can also check all possible airlines who offer a service between Denver, CO and Chicago, IL and compare the amenities they offer before buying a plane ticket.
Flights from Denver, CO to Chicago, IL generally leave from Denver International Airport and arrive in O'Hare International Airport.Denver International Airport is 11 miles (18 km) away from Denver, CO city centre and O'Hare International Airport is 1 miles (3 km) from Chicago, IL city centre.
The cheapest month for a flight from Denver, CO to Chicago, IL is May.
It's helpful to compare your options as there are 3 ways to travel between Denver, CO and Chicago, IL including taking a train, bus, and flight.
Since neither Denver, CO nor Chicago, IL are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h between Denver, CO and Chicago, IL all year round.
The best events to attend in Chicago, IL include:
  • Chicago Air and Water Show, an exhilarating display of military and civilian aircraft performing daring maneuvers over Lake Michigan
  • Lollapalooza, a massive music festival featuring top artists across multiple genres in Grant Park
  • Chicago Gourmet, a premier culinary event celebrating the city's vibrant food scene with tastings, cooking demonstrations, and wine pairings.
Some of the most interesting sights to explore in Chicago, IL are:
  • Millennium Park, a public park known for its modern art installations and the iconic Cloud Gate sculpture
  • Art Institute of Chicago, a renowned museum housing an extensive collection of art from around the world
  • Navy Pier, a popular entertainment destination featuring rides, restaurants, and lakefront views
  • Willis Tower Skydeck, an observation deck offering panoramic views of the city from one of the tallest buildings in the Western Hemisphere
  • Field Museum, a natural history museum with vast exhibits including the famous T. rex skeleton, Sue.
The best holidays to experience in Chicago, IL include:
  • Memorial Day, the unofficial start of summer with vibrant outdoor activities and events
  • Independence Day, spectacular fireworks and festive celebrations throughout the city
  • Labor Day, a lively atmosphere with various festivals and pleasant weather.
The best things to do in Chicago, IL include:
  • Museum of Science and Industry, an interactive museum featuring exhibits on science, technology, and industry
  • Explore the vibrant neighborhoods of Chicago, such as Wicker Park and Lincoln Park, known for their unique shops and eateries
  • Take a river cruise to see the city's iconic architecture from a different perspective
  • Attend a live performance at the historic Chicago Theatre
  • Enjoy a day at Lincoln Park Zoo, one of the oldest zoos in the U.S., offering free admission.
The best season to visit Chicago, IL is Spring or Summer. The best weather to explore Chicago, IL is during May-September.
We recommend using the train as it is the most popular way to get from Denver, CO to Chicago, IL among Omio's users.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In Chicago, IL, travelers should be cautious of pickpocketing and purse snatching, especially in crowded areas like public transit and popular tourist spots. Common scams include fake charity solicitations and distraction thefts. It is advisable to stay alert in neighborhoods outside downtown after dark and use authorized transportation services to avoid unlicensed taxi scams. Keeping valuables secure and being aware of surroundings helps mitigate these risks.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular airports

Popular airports from Denver, CO to Chicago, IL

Most Denver, CO to Chicago, IL flights use the Denver International Airport to O'Hare International Airport airport pair. Use this guide to compare Denver, CO and Chicago, IL airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.

Departure airports in Denver
Arrival airports in Chicago

Which Denver, CO airport do flights to Chicago, IL leave from?

Flights from Denver, CO to Chicago, IL depart from Denver International Airport. The airport is 11 miles (19 km) from Denver, CO city centre at 8500 Peña Blvd, Denver, CO 80249, USA.
Denver International Airport (DEN)8500 Peña Blvd, Denver, CO 80249, USAWifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rental
City-centre transport

Getting to Denver International Airport from Denver city centre

Denver International Airport is 18 km from Denver city centre. Public transport options include:

TrainA · 37m · $11 · every ~8 min
Bus83L, 83D · 1h 45m · $7 · every ~7 min

Denver International Airport airport facilities and services

Denver International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.

Food and drink

Food options include: Various restaurants in Jeppesen terminal and concourses, including American and intertiol cuisine.

Wi-Fi and ATMs

Free Wi-Fi available throughout the airport. ATMs are located throughout the terminal and concourses.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at Denver International Airport: Parking, Taxis, WC.

Bike and car services

Available at Denver International Airport: Car Rental.

Accessibility

Accessibility facilities are available at Denver International Airport: Elevators, ramps.

Shops, hotels and contact

Nearby hotels include Westin Hotel connected to the terminal..

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