San Diego, CA SAN to Denver, CO DEN flight with United

Mon, Aug 24
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frontier airlines
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Spirit Airlines
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Journey information

Overview: San Diego, CA to Denver, CO flight

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Icon of flight

Flights from San Diego, CA to Denver, CO depart on average 73 times per day, taking around 2h 55m. Cheap flight tickets for this journey start at €24 if you book in advance.

There are 10 flights per day. The earliest flight runs at 00:17, the last at 23:52. The fastest flight covers the 832 miles (1340 km) distance in 2h 13m. February 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
832 miles (1340 km)
Average flight duration
2h 55m
Cheapest ticket price
€24
Flights per day
73
Direct flights
10
Fastest flight
2h 13m
First flight
12:17 AM
Last flight
11:52 PM
Cheapest Month
Feb
Cheapest Day
Tue
High Season
Jul - Sep
Low Season
Oct - Dec
Busiest Day
Sat
Least Busy Day
Sat
Best time to book
28 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 San Diego, CA to Denver, CO

Showing times and prices for Aug 24

Cheapest price

€121

Average price

€333

Fastest journey

2 h 25 m

Average duration

2 h 28 m

Flights per day

80

Distance

1340 km

Cheap tickets

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

The average ticket from San Diego, CA to Denver, CO will cost around €333 if you buy it on the day, but the cheapest tickets can be found for only €121.

Fast flights

Of the 80 flights that leave San Diego, CA for Denver, CO onMon, Aug 24, 13 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Mon, Aug 24 the direct flights cover the 1340 km distance in an average of 2 h 28 m but if you time it right, some flights will get you there in just 2 h 25 m .

On Mon, Aug 24 the longest flights will take 2 h 32 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.

  • frontier airlinesF94990
    3:45 PM2h35
    San Diego International Airport
    7:20 PMDenver International Airport
    1211One-way
    0 transfers
  • frontier airlinesF92818
    6:25 AM2h38
    San Diego International Airport
    10:03 AMDenver International Airport
    1211One-way
    0 transfers
  • frontier airlinesF91426 · F94069
    4:36 PM6h39
    San Diego International Airport
    12:15 AMDenver International Airport
    1251One-way
    1 transfer
  • frontier airlinesF91326 · F92016
    8:59 PM5h49
    San Diego International Airport
    3:48 AMDenver International Airport
    1251One-way
    1 transfer
  • frontier airlinesF93381 · F91230
    10:00 AM22h41
    San Diego International Airport
    9:41 AMDenver International Airport
    1301One-way
    1 transfer

Travel Information

Compare bus, train, and flight for San Diego, CA to Denver, CO

Omio recommends booking the flight as it is the most popular option from San Diego, CA to Denver, CO among Omio's users. If you are prioritising price take the flight with prices starting from €24. For those with little time consider booking a flight which can get you there in 2h 55m. The ticket price range depends on the travel mode: a flight costs an average of €24, and a train costs an average of €161.

Distance: 832 miles (1340 km)

Compare flight with

Most popular
Flight
Bus
Train
Driving

€94

Average price

Cheapest

€105

Average price

€263

Average price

€181

Average price

(fuel + tolls)

5h 55m

Average total duration

Fastest

2h 55m

Onboard

+

3h 0m

Additional time*

27h 26m

Average total duration

26h 56m

Onboard

+

30m

Additional time*

46h 55m

Average total duration

46h 25m

Onboard

+

30m

Additional time*

15h 41m

Average total duration

(door-to-door)

United

Most popular airline

Greyhound

Most popular bus company

Amtrak

Most popular train company

Your own car or car rental

Direct Options

Direct Options

Direct Options

Direct Options

The cheapest way to travel from San Diego, CA to Denver, CO is a flight with an average price of €94.

This is compared to other travel options from San Diego, CA to Denver, CO:

A flight is €11 less than a bus for this route with tickets for a bus from San Diego, CA to Denver, CO costing on average €105.

A flight is €169 less than a train for this route with tickets for a train from San Diego, CA to Denver, CO costing on average €263.

The fastest way to travel from San Diego, CA to Denver, CO is by flight with an average journey time of 2h 55m.

Other travel options to Denver, CO take longer:

Bus takes on average 26h 56m.

Train takes on average 46h 25m.

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

Live departures

San Diego, CA to Denver, CO flight times

The table below shows live departures for San Diego, CA to Denver, CO flights for today, Sunday, August 23. You can also manually refresh the results below to see updated flight journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
Alaska AirlinesAS709 · AS3046:15 AM San Diego International Airport
9h21
4:36 PM Denver International Airport1 transfer
Alaska AirlinesAS709 · AS5356:15 AM San Diego International Airport
6h47
2:02 PM Denver International Airport1 transfer
UnitedUA1016 · UA23116:18 AM San Diego International Airport
7h59
3:17 PM Denver International Airport1 transfer
American AirlinesAA2535 · AA13226:19 AM San Diego International Airport
10h18
5:37 PM Denver International Airport1 transfer
American AirlinesAA2535 · AA18326:19 AM San Diego International Airport
8h10
3:29 PM Denver International Airport1 transfer
American AirlinesAA2535 · AA5776:19 AM San Diego International Airport
14h57
10:16 PM Denver International Airport1 transfer
American AirlinesAA2535 · AA4206:19 AM San Diego International Airport
7h05
2:24 PM Denver International Airport1 transfer
UnitedUA2830 · UA14696:20 AM San Diego International Airport
5h16
12:36 PM Denver International Airport1 transfer
UnitedUA2830 · UA22746:20 AM San Diego International Airport
7h12
2:32 PM Denver International Airport1 transfer
UnitedUA2667 · UA19126:20 AM San Diego International Airport
4h54
12:14 PM Denver International Airport1 transfer
American AirlinesAA625 · AA13326:25 AM San Diego International Airport
4h09
11:34 AM Denver International Airport1 transfer
American AirlinesAA625 · AA16386:25 AM San Diego International Airport
14h31
9:56 PM Denver International Airport1 transfer
American AirlinesAA625 · AA26026:25 AM San Diego International Airport
12h17
7:42 PM Denver International Airport1 transfer
frontier airlinesF928186:25 AM San Diego International Airport
2h38
10:03 AM Denver International Airport0 transfersDirect
UnitedUA20456:30 AM San Diego International Airport
2h36
10:06 AM Denver International Airport0 transfersDirect
American AirlinesAA373 · AA4207:15 AM San Diego International Airport
6h09
2:24 PM Denver International Airport1 transfer
American AirlinesAA373 · AA18327:15 AM San Diego International Airport
7h14
3:29 PM Denver International Airport1 transfer
UnitedUA22747:15 AM San Diego International Airport
6h17
2:32 PM Denver International Airport0 transfersDirect
Alaska AirlinesAS608 · AS3047:15 AM San Diego International Airport
8h21
4:36 PM Denver International Airport1 transfer
UnitedUA5519 · UA22747:30 AM McClellan–Palomar Airport
6h02
2:32 PM Denver International Airport1 transfer
UnitedUA5519 · UA5407:30 AM McClellan–Palomar Airport
7h55
4:25 PM Denver International Airport1 transfer
American AirlinesAA1055 · AA18328:00 AM San Diego International Airport
6h29
3:29 PM Denver International Airport1 transfer
UnitedUA1071 · UA5998:00 AM San Diego International Airport
10h30
7:30 PM Denver International Airport1 transfer
UnitedUA55208:40 AM McClellan–Palomar Airport
2h25
12:05 PM Denver International Airport0 transfersDirect
UnitedUA24768:45 AM San Diego International Airport
2h32
12:17 PM Denver International Airport0 transfersDirect
Alaska AirlinesAS14228:48 AM San Diego International Airport
2h32
12:20 PM Denver International Airport0 transfersDirect
Alaska AirlinesAS609 · AS6029:31 AM San Diego International Airport
7h39
6:10 PM Denver International Airport1 transfer
American AirlinesAA1793 · AA16389:40 AM San Diego International Airport
11h16
9:56 PM Denver International Airport1 transfer
American AirlinesAA1793 · AA26029:40 AM San Diego International Airport
9h02
7:42 PM Denver International Airport1 transfer
UnitedUA1791 · UA2352 · UA21089:45 AM San Diego International Airport
8h57
7:42 PM Denver International Airport2 transfers
UnitedUA1791 · UA2352 · UA12919:45 AM San Diego International Airport
10h25
9:10 PM Denver International Airport2 transfers
UnitedUA1791 · UA15969:45 AM San Diego International Airport
7h25
6:10 PM Denver International Airport1 transfer
UnitedUA1791 · UA2829 · UA21089:45 AM San Diego International Airport
8h57
7:42 PM Denver International Airport2 transfers
frontier airlinesF93381 · F9344010:00 AM San Diego International Airport
12h10
11:10 PM Denver International Airport1 transfer
frontier airlinesF93381 · F9123010:00 AM San Diego International Airport
22h41
9:41 AM Denver International Airport1 transfer
UnitedUA1980 · UA165410:13 AM San Diego International Airport
8h56
8:09 PM Denver International Airport1 transfer
UnitedUA1980 · UA47010:13 AM San Diego International Airport
7h05
6:18 PM Denver International Airport1 transfer
UnitedUA1710 · UA197410:40 AM San Diego International Airport
8h05
7:45 PM Denver International Airport1 transfer
UnitedUA279311:00 AM San Diego International Airport
2h32
2:32 PM Denver International Airport0 transfersDirect
Alaska AirlinesAS576 · AS134611:06 AM San Diego International Airport
6h26
6:32 PM Denver International Airport1 transfer
UnitedUA2309 · UA159611:20 AM San Diego International Airport
5h50
6:10 PM Denver International Airport1 transfer
UnitedUA2309 · UA2352 · UA129111:20 AM San Diego International Airport
8h50
9:10 PM Denver International Airport2 transfers
UnitedUA2309 · UA2352 · UA210811:20 AM San Diego International Airport
7h22
7:42 PM Denver International Airport2 transfers
UnitedUA2237 · UA165412:01 PM San Diego International Airport
7h08
8:09 PM Denver International Airport1 transfer
UnitedUA2237 · UA68512:01 PM San Diego International Airport
9h14
10:15 PM Denver International Airport1 transfer
American AirlinesAA1467 · AA223512:06 PM San Diego International Airport
6h32
7:38 PM Denver International Airport1 transfer
American AirlinesAA1467 · AA57712:06 PM San Diego International Airport
9h10
10:16 PM Denver International Airport1 transfer
UnitedUA156512:33 PM San Diego International Airport
2h33
4:06 PM Denver International Airport0 transfersDirect
American AirlinesAA2122 · AA163812:45 PM San Diego International Airport
8h11
9:56 PM Denver International Airport1 transfer
American AirlinesAA2122 · AA260212:45 PM San Diego International Airport
5h57
7:42 PM Denver International Airport1 transfer
UnitedUA55151:04 PM McClellan–Palomar Airport
2h26
4:30 PM Denver International Airport0 transfersDirect
UnitedUA1763 · UA24361:24 PM San Diego International Airport
7h44
10:08 PM Denver International Airport1 transfer
American AirlinesAA1770 · AA19271:41 PM San Diego International Airport
9h12
11:53 PM Denver International Airport1 transfer
American AirlinesAA1770 · AA5771:41 PM San Diego International Airport
7h35
10:16 PM Denver International Airport1 transfer
UnitedUA5599 · UA14301:46 PM McClellan–Palomar Airport
5h21
8:07 PM Denver International Airport1 transfer
UnitedUA5599 · UA24361:46 PM McClellan–Palomar Airport
7h22
10:08 PM Denver International Airport1 transfer
UnitedUA1779 · UA7672:15 PM San Diego International Airport
8h38
11:53 PM Denver International Airport1 transfer
Alaska AirlinesAS1402 · AS4662:17 PM San Diego International Airport
6h29
9:46 PM Denver International Airport1 transfer
UnitedUA2175 · UA21842:24 PM San Diego International Airport
5h49
9:13 PM Denver International Airport1 transfer
UnitedUA2175 · UA26102:24 PM San Diego International Airport
6h54
10:18 PM Denver International Airport1 transfer
UnitedUA2175 · UA21462:24 PM San Diego International Airport
4h15
7:39 PM Denver International Airport1 transfer
Alaska AirlinesAS685 · AS3102:50 PM San Diego International Airport
7h26
11:16 PM Denver International Airport1 transfer
American AirlinesAA3060 · AA5773:05 PM San Diego International Airport
6h11
10:16 PM Denver International Airport1 transfer
American AirlinesAA3060 · AA19273:05 PM San Diego International Airport
7h48
11:53 PM Denver International Airport1 transfer
frontier airlinesF949903:45 PM San Diego International Airport
2h35
7:20 PM Denver International Airport0 transfersDirect
Alaska AirlinesAS30293:51 PM San Diego International Airport
2h35
7:26 PM Denver International Airport0 transfersDirect
UnitedUA6824:07 PM San Diego International Airport
2h29
7:36 PM Denver International Airport0 transfersDirect
American AirlinesAA1951 · AA16384:22 PM San Diego International Airport
4h34
9:56 PM Denver International Airport1 transfer
American AirlinesAA2361 · AA19274:29 PM San Diego International Airport
6h24
11:53 PM Denver International Airport1 transfer
frontier airlinesF91426 · F921474:36 PM San Diego International Airport
12h52
6:28 AM Denver International Airport1 transfer
UnitedUA2234 · UA26105:00 PM San Diego International Airport
4h18
10:18 PM Denver International Airport1 transfer
UnitedUA5196:55 PM San Diego International Airport
2h29
10:24 PM Denver International Airport0 transfersDirect
American AirlinesAA2950 · AA13327:15 PM San Diego International Airport
15h19
11:34 AM Denver International Airport1 transfer
Alaska AirlinesAS14238:27 PM San Diego International Airport
2h29
11:56 PM Denver International Airport0 transfersDirect
frontier airlinesF91326 · F923508:59 PM San Diego International Airport
11h06
9:05 AM Denver International Airport1 transfer
frontier airlinesF91326 · F949688:59 PM San Diego International Airport
13h20
11:19 AM Denver International Airport1 transfer
frontier airlinesF91326 · F935408:59 PM San Diego International Airport
20h01
6:00 PM Denver International Airport1 transfer
frontier airlinesF91326 · F920168:59 PM San Diego International Airport
5h49
3:48 AM Denver International Airport1 transfer
frontier airlinesF91326 · F946128:59 PM San Diego International Airport
26h11
12:10 AM Denver International Airport1 transfer
American AirlinesAA2065 · AA236310:45 PM San Diego International Airport
11h58
11:43 AM Denver International Airport1 transfer
American AirlinesAA2065 · AA255910:45 PM San Diego International Airport
8h40
8:25 AM Denver International Airport1 transfer

This is the last flight of the day.

Find all the dates and times for this journey

Compare prices and tickets San Diego, CA to Denver, CO by bus, train, or flight

Compare bus, train, 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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Aug 30

Why should you book San Diego, CA to Denver, CO flights with Omio?

frontier airlines as well as United, Alaska Airlines, Spirit Airlines and more offer flights services from San Diego, CA to Denver, CO.
Omio is an official ticket reseller for all your travel options from San Diego, CA to Denver, CO.

Why book with Omio vs frontier airlines?

  • Compare with other providers: On Omio, you can not only buy tickets for frontier airlines, but also compare tickets for the likes of United, Alaska Airlines or Spirit Airlines to find the best option for your trip from San Diego, CA to Denver, CO.
  • 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 frontier airlines with all available travel options, which are bus, train and flight to ensure you get the best deal for traveling from San Diego, CA to Denver, CO.

Why book with Omio over Trip, Edreams or Kayak?

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

Airlines: United, frontier airlines, American Airlines, Spirit Airlines from San Diego, CA to Denver, COFind the best flights between San Diego, CA to Denver, CO with Omio's travel partners United, frontier airlines, American Airlines, Spirit Airlines from €24. 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 13m
Cheapest Price
€117
United frequency
35 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
American Airlines frequency
23 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 35m
Cheapest Price
€24
frontier airlines frequency
10 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.

Spirit Airlines

About
Spirit Airlines is an American ultra-low-cost carrier, headquartered in Dania Beach, Florida, operating scheduled flights throughout the United States, the Caribbean, and Latin America. Known for its distinctive bright yellow planes, Spirit's business model traditionally focuses on offering low base fares by unbundling services, allowing passengers to pay only for the amenities they choose, such as baggage and seat selection. As of August 2024, Spirit is evolving its offerings, introducing new fare tiers like "Go Big," "Go Comfy," "Go Savvy," and "Go," which include various bundled perks such as wider seats, extra legroom, priority boarding, and in-flight refreshments. Spirit was the seventh largest passenger carrier in North America as of 2023.
Luggage & cancellation policy
Average Duration
3h 50m
Cheapest Price
€45
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bags: First bag $79-89, Second bag $89-99, Additional bags $105-110
Cancellation Policy
Cancellation within 24 hours of booking is free, after that fees apply based on fare type and timing
Pregnant on board
Up to 7 days before departure with medical certificate. After 28 weeks, medical certificate required
Unaccompagned minor
Ages 5-14 can travel as unaccompanied minors for $100 fee per direction. Service not available on international flights or connecting flights
Amenities on board the airplane
Wifi
Accessibility
Spirit Airlines offers assistance for passengers with disabilities, including wheelchair services and priority boarding. Passengers are encouraged to request assistance at least 48 hours in advance to ensure availability.

Complete guide to Denver, CO

Things to do in Denver, CO

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

  • Must visit

Denver Art Museum

One of the largest art museums in the West, known for Indigenous art, global collections, and striking architecture.

  • Must visit

Denver Museum of Nature & Science

A major natural history museum with dinosaur fossils, space exhibits, wildlife dioramas, and rooftop city views.

  • Recommended

History Colorado Center

This museum explores Colorado and Western heritage through Native history, artifacts, and regional storytelling.

US Dollar ($)

Moderate for a major US city: hotels and dining are mid-to-high, while transit is reasonable. Costs are usually lower than New York or San Francisco.

Average meal costs

Budget
$10-$18 for fast food or casual spots.
Mid-range
$20-$40 per person for a restaurant meal.
Fine dining
$60+ per person at upscale restaurants.
Coffee
$4-$6 for a cappuccino.

Tipping culture

Tip 18-20% at restaurants, $1-$2 per drink at bars, and 10-15% for taxis. Cafes often have tip screens; rounding up or $1 is common.

FAQs: San Diego, CA to Denver, CO Flight

Find answers to the most common questions about traveling from San Diego, CA to Denver, CO 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 Denver, CO, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from San Diego, CA to Denver, CO can start from as little as €24 when you book in advance. The average flight ticket price for San Diego, CA to Denver, CO is €94 ; 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 San Diego, CA to Denver, CO is 2h 13m to travel the 832 miles (1340 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 San Diego, CA to Denver, CO leaves at 12:17 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from San Diego, CA to Denver, CO leaves at 11:52 PM.
Yes, there are 10 direct flights a day from San Diego, CA to Denver, CO with frontier airlines, United, Alaska Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from San Diego, CA to Denver, CO, you can count on frontier airlines, United, Alaska Airlines, Spirit Airlines for the best way to get you to Denver, CO. You can also check all possible airlines who offer a service between San Diego, CA and Denver, CO and compare the amenities they offer before buying a plane ticket.
Flights from San Diego, CA to Denver, CO generally leave from San Diego International Airport and arrive in Denver International Airport.San Diego International Airport is 2 miles (4 km) away from San Diego, CA city centre and Denver International Airport is 11 miles (18 km) from Denver, CO city centre.
The cheapest month for a flight from San Diego, CA to Denver, CO is February.
It's helpful to compare your options as there are 3 ways to travel between San Diego, CA and Denver, CO including taking a bus, train, and flight.
Since neither San Diego, CA nor Denver, CO 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 San Diego, CA and Denver, CO all year round.
The best events to attend in Denver, CO include:
  • Denver Arts Festival, a vibrant celebration of local artists and their work featuring exhibitions, live music, and food
  • Great American Beer Festival, the largest beer festival in the U.S. showcasing thousands of craft beers from across the country
  • Denver Film Festival, an annual event highlighting independent films and filmmakers with screenings, panels, and special events.
Some of the most interesting sights to explore in Denver, CO are:
  • Red Rocks Amphitheatre, a renowned open-air concert venue set amidst stunning natural rock formations
  • Denver Art Museum, featuring an extensive collection of Native American art and contemporary works
  • Denver Botanic Gardens, offering diverse plant displays and themed gardens
  • Union Station, a historic transportation hub with shops, dining, and events
  • Denver Museum of Nature & Science, showcasing exhibits on natural history, space, and anthropology.
The best things to do in Denver, CO include:
  • Coors Field, home to the Colorado Rockies, offering baseball games and tours in a scenic downtown setting
  • Larimer Square, a vibrant historic district with shopping, dining, and nightlife
  • City Park, a large urban park with trails, lakes, and views of downtown Denver and the mountains
  • Denver Zoo, featuring a wide variety of animals and interactive exhibits
  • Cherry Creek Shopping Center, a premier retail destination with luxury brands and dining options.
The best holidays to experience in Denver, CO include:
  • Memorial Day, the unofficial start of summer with vibrant outdoor activities and events
  • Independence Day, spectacular fireworks and lively celebrations throughout the city
  • Labor Day, pleasant weather perfect for enjoying Denver's parks and festivals.
The best season to visit Denver, CO is Spring or Fall. The best weather to explore Denver, CO is during May-September.
We recommend using the flight as it is the most popular way to get from San Diego, CA to Denver, CO 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 Denver, CO, travelers should be aware of pickpocketing and petty theft, especially in crowded areas like downtown and tourist attractions. Common scams include overpriced rides from unofficial taxi services and fraudulent ticket sellers near popular venues. It's advisable to use licensed transportation, stay vigilant in busy spots, and avoid sharing personal information with strangers to ensure safety.
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 San Diego, CA to Denver, CO

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

Departure airports in San Diego
Arrival airports in Denver

Which San Diego, CA airport do flights to Denver, CO leave from?

Flights from San Diego, CA to Denver, CO depart from San Diego International Airport. The airport is 2 miles (4 km) from San Diego, CA city centre at 3225 N Harbor Dr, San Diego, CA 92101, USA.
San Diego International Airport (SAN)3225 N Harbor Dr, San Diego, CA 92101, USAWifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rental
City-centre transport

Getting to San Diego International Airport from San Diego city centre

San Diego International Airport is 4 km from San Diego city centre. Public transport options include:

Bus923, 992 · 12m · €5 · every ~10 min
923, 992 · 13m · €5 · every ~10 min

San Diego International Airport airport facilities and services

San Diego 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: Restaurants in terminals 1 and 2, including fast food and sit-down options like The Counter and Phil's BBQ

Wi-Fi and ATMs

Free Wi-Fi available throughout the airport. ATMs are located in all terminals.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at San Diego International Airport: Parking, Taxis, WC.

Bike and car services

Available at San Diego International Airport: Car Rental.

Accessibility

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

Shops, hotels and contact

Nearby hotels include Hotels nearby, Sheraton San Diego Hotel & Mari within walking distance..

McClellan-Palomar Airport (CLD)2198 Palomar Airport Rd, Carlsbad, CA 92008, USA+1 760-431-4646Accessibility
City-centre transport

Getting to McClellan-Palomar Airport from San Diego city centre

TrainPacific Surfliner · 2h 11m · €17 · every ~2 min
BusAmtrak Thruway Connecting Service · 2h 3m · €17
101 · 3h 3m · €23 · every ~4 min

McClellan-Palomar Airport airport facilities and services

McClellan-Palomar Airport has practical services for this route, including Accessibility.

Accessibility

Accessibility facilities are available at McClellan-Palomar Airport: The place has an entrance that is wheelchair-accessible.

Most popular flights to and from Denver, CO and San Diego, CA

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