- Must visit
Denver Art Museum
One of the largest art museums in the West, known for Indigenous art, global collections, and striking architecture.
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Journey information
Overview: St. Louis, MO to Denver, CO flight
USAUSA
Flights from St. Louis, MO to Denver, CO depart on average 65 times per day, taking around 3h 6m. Cheap flight tickets for this journey start at $65 if you book in advance.
There are 3 flights per day. The earliest flight runs at 00:04, the last at 23:54. The fastest flight covers the 794 miles (1279 km) distance in 2h 26m. December 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 794 miles (1279 km) |
Average flight duration 3h 6m |
Cheapest ticket price $65 |
Flights per day 65 |
Direct flights 3 |
Fastest flight 2h 26m |
First flight 12:04 AM |
Last flight 11:54 PM |
Cheapest Month Dec |
Cheapest Day Sat |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Thu |
Best time to book 1 day |
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 St. Louis, MO to Denver, CO
Showing times, prices and bookable tickets for Sep 08
Cheapest price on Sep 08
$509
Average ticket price on Sep 08
$722
Fastest journey on Sep 08
2 h 24 m
Average journey duration on Sep 08
4 h 1 m
Flights on Sep 08
51
Distance
1279 km
Cheap tickets
The best way to find a cheap flight ticket from St. Louis, MO 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 St. Louis, MO to Denver, CO will cost around $722 if you buy it on the day, but the cheapest tickets can be found for only $509.
Fast flights
On Tue, Sep 08, we found 51 flights from St. Louis, MO to Denver, CO, including 2 direct services.
On Tue, Sep 08 the direct flights cover the 1279 km distance in an average of 4 h 1 m but if you time it right, some flights will get you there in just 2 h 24 m .
On Tue, Sep 08 the longest flights will take 5 h 9 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.
AA1523+
AA39445:11 PM15h59St. Louis Lambert International Airport8:10 AMDenver International Airport$5091One-way1 transfer- AA3570 · AA39648:07 PM13h30St. Louis Lambert International Airport8:37 AMDenver International Airport$5361One-way1 transfer
- AA712 · AA16626:54 AM6h36St. Louis Lambert International Airport12:30 PMDenver International Airport$5421One-way1 transfer
- AA3333 · AA42010:16 AM5h08St. Louis Lambert International Airport2:24 PMDenver International Airport$5421One-way1 transfer
- AA1926 · AA23636:00 AM6h43St. Louis Lambert International Airport11:43 AMDenver International Airport$5421One-way1 transfer
UA13801:36 PM2h24St. Louis Lambert International Airport3:00 PMDenver International Airport$5421One-way0 transfers- UA15484:46 PM2h30St. Louis Lambert International Airport6:16 PMDenver International Airport$5421One-way0 transfers
- AA1387+AA35708:07 PM4h52St. Louis Lambert International Airport11:59 PMDenver International Airport$5421One-way1 transfer
- AA3333 · AA42010:16 AM5h08St. Louis Lambert International Airport2:24 PMDenver International Airport$5421One-way1 transfer
- AA1277+AA35689:32 AM5h09St. Louis Lambert International Airport1:41 PMDenver International Airport$7361One-way1 transfer
Travel Information
Compare train, bus, and flight for St. Louis, MO to Denver, CO
Omio recommends booking the bus as it is the most popular option from St. Louis, MO to Denver, CO among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $100 For those with little time, consider booking a flight, which has an average total journey time of 5h 6m. Average ticket prices depend on the travel mode: a bus costs an average of $100, while a train costs an average of $380.
Distance: 794 miles (1279 km)
Compare flight with
| Flight | Most popular Bus | Train | Driving |
|---|---|---|---|
$191 Average price | $100 Average price Cheapest | $380 Average price | $182 Average price (fuel + tolls) |
5h 6m Average total duration Fastest 3h 6m Onboard + 2h 0m Additional time* | 19h 21m Average total duration 18h 51m Onboard + 30m Additional time* | 23h 17m Average total duration 22h 47m Onboard + 30m Additional time* | 12h 25m Average total duration (door-to-door) |
 Most popular airline |  Most popular bus company |  Most popular train company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
The cheapest way to travel from St. Louis, MO to Denver, CO is a bus with an average price of $100.
This is compared to other travel options from St. Louis, MO to Denver, CO:
A bus is $92 less than a flight for this route with tickets for a flight from St. Louis, MO to Denver, CO costing on average $191.
A bus is $280 less than a train for this route with tickets for a train from St. Louis, MO to Denver, CO costing on average $380.
The fastest way to travel from St. Louis, MO to Denver, CO is by flight with an average journey time of 3h 6m.
Other travel options to Denver, CO take longer:
Bus takes on average 18h 51m.
Train takes on average 22h 47m.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Denver, CO including taking a train, bus, and flight.
We recommend using the bus as it is the most popular way to get from St. Louis, MO to Denver, CO among Omio's users.
Live departures
St. Louis, MO to Denver, CO flight times
The table below shows live departures for St. Louis, MO to Denver, CO flights for today, Monday, September 7. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| UA5566 · UA470 | 11:15 AM St. Louis Lambert International Airport | 8h03 | 6:18 PM Denver International Airport | 1 transfer | |
| AA477 · AA1292 | 11:35 AM St. Louis Lambert International Airport | 12h29 | 11:04 PM Denver International Airport | 1 transfer | |
| UA560 · UA2212 | 12:27 PM St. Louis Lambert International Airport | 7h54 | 7:21 PM Denver International Airport | 1 transfer | |
| UA560 · UA407 | 12:27 PM St. Louis Lambert International Airport | 9h44 | 9:11 PM Denver International Airport | 1 transfer | |
AA1322+ AA5655 | 12:45 PM St. Louis Lambert International Airport | 5h52 | 5:37 PM Denver International Airport | 1 transfer | |
| AA2235+AA5655 | 12:45 PM St. Louis Lambert International Airport | 7h53 | 7:38 PM Denver International Airport | 1 transfer | |
| UA4454 · UA599 | 1:00 PM St. Louis Lambert International Airport | 7h33 | 7:33 PM Denver International Airport | 1 transfer | |
| UA4454 · UA1328 | 1:00 PM St. Louis Lambert International Airport | 9h16 | 9:16 PM Denver International Airport | 1 transfer | |
| UA1380 | 1:36 PM St. Louis Lambert International Airport | 2h24 | 3:00 PM Denver International Airport | 0 transfersDirect | |
| AA831 · AA3156 | 3:25 PM St. Louis Lambert International Airport | 7h49 | 10:14 PM Denver International Airport | 1 transfer | |
| AA1363 · AA577 | 3:32 PM St. Louis Lambert International Airport | 7h40 | 10:12 PM Denver International Airport | 1 transfer | |
| AA1363 · AA2235 | 3:32 PM St. Louis Lambert International Airport | 5h06 | 7:38 PM Denver International Airport | 1 transfer | |
| F92636 · F91733 | 4:23 PM St. Louis Lambert International Airport | 16h44 | 8:07 AM Denver International Airport | 1 transfer | |
| F92636 · F93311 | 4:23 PM St. Louis Lambert International Airport | 7h37 | 11:00 PM Denver International Airport | 1 transfer | |
| UA333 | 4:40 PM St. Louis Lambert International Airport | 2h30 | 6:10 PM Denver International Airport | 0 transfersDirect | |
| AA1387+AA4259 | 4:50 PM St. Louis Lambert International Airport | 8h09 | 11:59 PM Denver International Airport | 1 transfer | |
| UA541 · UA329 | 5:30 PM St. Louis Lambert International Airport | 5h14 | 9:44 PM Denver International Airport | 1 transfer | |
| UA541 · UA767 | 5:30 PM St. Louis Lambert International Airport | 7h23 | 11:53 PM Denver International Airport | 1 transfer | |
| F93107 · F92350 | 6:45 PM St. Louis Lambert International Airport | 15h20 | 9:05 AM Denver International Airport | 1 transfer | |
| F93107 · F91994 | 6:45 PM St. Louis Lambert International Airport | 27h56 | 9:41 PM Denver International Airport | 1 transfer | |
| F93107 · F93540 | 6:45 PM St. Louis Lambert International Airport | 24h15 | 6:00 PM Denver International Airport | 1 transfer | |
| F93107 · F92016 | 6:45 PM St. Louis Lambert International Airport | 10h03 | 3:48 AM Denver International Airport | 1 transfer | |
| F93107 · F94612 | 6:45 PM St. Louis Lambert International Airport | 6h25 | 12:10 AM Denver International Airport | 1 transfer | |
| UA4616 · UA767 | 6:53 PM St. Louis Lambert International Airport | 6h00 | 11:53 PM Denver International Airport | 1 transfer | |
| F94567 | 7:58 PM St. Louis Lambert International Airport | 2h27 | 9:25 PM Denver International Airport | 0 transfersDirect | |
| AA1387+AA3570 | 8:07 PM St. Louis Lambert International Airport | 4h52 | 11:59 PM Denver International Airport | 1 transfer | |
| Tuesday, September 8 | |||||
| AA2261 · AA1756 | 5:42 AM St. Louis Lambert International Airport | 5h10 | 9:52 AM Denver International Airport | 1 transfer | |
| AA2261 · AA1832 | 5:42 AM St. Louis Lambert International Airport | 10h47 | 3:29 PM Denver International Airport | 1 transfer | |
| AA2261 · AA1322 | 5:42 AM St. Louis Lambert International Airport | 12h55 | 5:37 PM Denver International Airport | 1 transfer | |
| AA2261 · AA2359 | 5:42 AM St. Louis Lambert International Airport | 7h03 | 11:45 AM Denver International Airport | 1 transfer | |
| AA2261 · AA420 | 5:42 AM St. Louis Lambert International Airport | 9h42 | 2:24 PM Denver International Airport | 1 transfer | |
| AA1926 · AA2363 | 6:00 AM St. Louis Lambert International Airport | 6h43 | 11:43 AM Denver International Airport | 1 transfer | |
| AA1926 · AA1277 | 6:00 AM St. Louis Lambert International Airport | 8h41 | 1:41 PM Denver International Airport | 1 transfer | |
| AA1926 · AA1317 | 6:00 AM St. Louis Lambert International Airport | 11h53 | 4:53 PM Denver International Airport | 1 transfer | |
 AA4948 · AA6480 | 6:00 AM St. Louis Lambert International Airport | 12h56 | 5:56 PM Denver International Airport | 1 transfer | |
| UA6258 · UA2787 | 6:15 AM St. Louis Lambert International Airport | 6h53 | 12:08 PM Denver International Airport | 1 transfer | |
| UA6258 · UA1450 | 6:15 AM St. Louis Lambert International Airport | 5h55 | 11:10 AM Denver International Airport | 1 transfer | |
| AA537 · AA420 | 6:36 AM St. Louis Lambert International Airport | 8h48 | 2:24 PM Denver International Airport | 1 transfer | |
| AA537 · AA2359 | 6:36 AM St. Louis Lambert International Airport | 6h09 | 11:45 AM Denver International Airport | 1 transfer | |
| AA712 · AA1662 | 6:54 AM St. Louis Lambert International Airport | 6h36 | 12:30 PM Denver International Airport | 1 transfer | |
| UA577 · UA1999 | 7:00 AM St. Louis Lambert International Airport | 8h16 | 2:16 PM Denver International Airport | 1 transfer | |
| UA2749 · UA561 · UA2123 | 8:00 AM St. Louis Lambert International Airport | 11h15 | 6:15 PM Denver International Airport | 2 transfers | |
| UA2749 · UA5411 · UA2064 | 8:00 AM St. Louis Lambert International Airport | 7h43 | 2:43 PM Denver International Airport | 2 transfers | |
| UA2749 · UA247 · UA1573 | 8:00 AM St. Louis Lambert International Airport | 11h25 | 6:25 PM Denver International Airport | 2 transfers | |
| UA2749 · UA536 | 8:00 AM St. Louis Lambert International Airport | 5h45 | 12:45 PM Denver International Airport | 1 transfer | |
| UA2749 · UA2836 · UA1781 | 8:00 AM St. Louis Lambert International Airport | 11h25 | 6:25 PM Denver International Airport | 2 transfers | |
| AA2574+AA6185 | 8:00 AM St. Louis Lambert International Airport | 8h11 | 3:11 PM Denver International Airport | 1 transfer | |
| UA3674 · UA1197 | 8:20 AM St. Louis Lambert International Airport | 9h33 | 4:53 PM Denver International Airport | 1 transfer | |
| UA3674 · UA2120 | 8:20 AM St. Louis Lambert International Airport | 8h17 | 3:37 PM Denver International Airport | 1 transfer | |
| AA1959 · AA420 | 8:36 AM St. Louis Lambert International Airport | 6h48 | 2:24 PM Denver International Airport | 1 transfer | |
| AA1959 · AA1832 | 8:36 AM St. Louis Lambert International Airport | 7h53 | 3:29 PM Denver International Airport | 1 transfer | |
| UA4506 · UA1126 | 8:40 AM St. Louis Lambert International Airport | 8h53 | 4:33 PM Denver International Airport | 1 transfer | |
| UA4506 · UA1587 | 8:40 AM St. Louis Lambert International Airport | 7h00 | 2:40 PM Denver International Airport | 1 transfer | |
| AA1317+AA3568 | 9:32 AM St. Louis Lambert International Airport | 8h21 | 4:53 PM Denver International Airport | 1 transfer | |
| AA1277+AA3568 | 9:32 AM St. Louis Lambert International Airport | 5h09 | 1:41 PM Denver International Airport | 1 transfer | |
| UA4395 · UA561 · UA2123 | 9:43 AM St. Louis Lambert International Airport | 9h32 | 6:15 PM Denver International Airport | 2 transfers | |
| UA4395 · UA2809 | 9:43 AM St. Louis Lambert International Airport | 5h48 | 2:31 PM Denver International Airport | 1 transfer | |
| UA4395 · UA2836 · UA1781 | 9:43 AM St. Louis Lambert International Airport | 9h42 | 6:25 PM Denver International Airport | 2 transfers | |
| UA4395 · UA247 · UA1573 | 9:43 AM St. Louis Lambert International Airport | 9h42 | 6:25 PM Denver International Airport | 2 transfers | |
| AA3333 · AA420 | 10:16 AM St. Louis Lambert International Airport | 5h08 | 2:24 PM Denver International Airport | 1 transfer | |
| AA3333 · AA1832 | 10:16 AM St. Louis Lambert International Airport | 6h13 | 3:29 PM Denver International Airport | 1 transfer | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets St. Louis, MO to Denver, CO 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 St. Louis, MO to Denver, CO flights with Omio?
frontier airlines as well as United or American Airlines offer flights services from St. Louis, MO to Denver, CO.
Omio is an official ticket reseller for all your travel options from St. Louis, MO 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 or American Airlines to find the best option for your trip from St. Louis, MO 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 train, bus and flight to ensure you get the best deal for traveling from St. Louis, MO 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 or American Airlines to find the best option for your trip from St. Louis, MO to Denver, CO.
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from St. Louis, MO to Denver, CO.
Airlines: frontier airlines, United, American Airlines from St. Louis, MO to Denver, COFind the best flights between St. Louis, MO to Denver, CO with Omio's travel partners frontier airlines, United, American Airlines from $65. 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 United Duration
2h 35m
Cheapest United Price
$210
United frequency
31 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 American Airlines Duration
4h 52m
Cheapest American Airlines Price
$101
American Airlines frequency
24 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 frontier airlines Duration
2h 26m
Cheapest frontier airlines Price
$65
frontier airlines frequency
8 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 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 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.
- Must visit
Civic Center Park
Denver's landmark downtown park and civic heart, framed by museums, government buildings, festivals, and open lawns.
- Must visit
City Park
A scenic urban lake and park with skyline and mountain views, trails, boating, and one of Denver's best sunsets.
- Must visit
16th Street Mall
A lively pedestrian mall lined with shops, public art, and free shuttle service through the center of downtown Denver.
- Gluten-free
Denver Omelet
Denver omelet with ham, bell peppers, onions, and cheese. It is strongly associated with the city and remains a classic local breakfast order.
- Gluten-free
Colorado Green Chile
Green chile is a beloved Front Range staple, served as a pork-rich stew or smothered over burritos, fries, and breakfast plates across Denver.
Colorado Green Chile Cheeseburger
A juicy burger topped with roasted green chiles and cheese. It reflects Colorado's chile-loving comfort food culture and is common in Denver pubs.
Fruition Restaurant
Acclaimed fine dining restaurant focused on wood-fired New American cuisine, seasonal Colorado ingredients, and polished service in an elegant room.
El Taco de Mexico
Popular modern Mexican spot celebrated for green chile, tacos, and strong margaritas. Casual atmosphere with a long local following.
Sam's No. 3
Beloved neighborhood eatery serving creative breakfasts and brunch. A reliable place to try a Denver omelet in a relaxed, local setting.
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: St. Louis, MO to Denver, CO Flight
Find answers to the most common questions about traveling from St. Louis, MO 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.
Cheap plane tickets from St. Louis, MO to Denver, CO can start from as little as $65 when you book in advance. The average flight ticket price for St. Louis, MO to Denver, CO is $191 ; 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 St. Louis, MO to Denver, CO is 2h 26m to travel the 794 miles (1279 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 St. Louis, MO to Denver, CO leaves at 12:04 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from St. Louis, MO to Denver, CO leaves at 11:54 PM.
Yes, there are 3 direct flights a day from St. Louis, MO to Denver, CO with frontier airlines, United. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from St. Louis, MO to Denver, CO, you can count on frontier airlines, United, American Airlines for the best way to get you to Denver, CO. You can also check all possible airlines who offer a service between St. Louis, MO and Denver, CO and compare the amenities they offer before buying a plane ticket.
Flights from St. Louis, MO to Denver, CO generally leave from St. Louis Lambert International Airport and arrive in Denver International Airport.St. Louis Lambert International Airport is 1 miles (2 km) away from St. Louis, MO city centre and Denver International Airport is 11 miles (18 km) from Denver, CO city centre.
The cheapest month for a flight from St. Louis, MO to Denver, CO is December.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Denver, CO including taking a train, bus, and flight.
Since neither St. Louis, MO 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 St. Louis, MO 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 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 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 season to visit Denver, CO is Spring or Fall. The best weather to explore Denver, CO is during May-September.
We recommend using the bus as it is the most popular way to get from St. Louis, MO 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 St. Louis, MO to Denver, CO
Most St. Louis, MO to Denver, CO flights use the St. Louis Lambert International Airport to Denver International Airport airport pair. Use this guide to compare St. Louis, MO and Denver, CO airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Departure airports in St. Louis
Arrival airports in Denver
Which St. Louis, MO airport do flights to Denver, CO leave from?
Flights from St. Louis, MO to Denver, CO depart from St. Louis Lambert International Airport. The airport is 1 miles (2 km) from St. Louis, MO city centre at 10701 Lambert Intertiol Blvd, St. Louis, MO 63145, USA.
St. Louis Lambert International Airport (STL)10701 Lambert Intertiol Blvd, St. Louis, MO 63145, USA
City-centre transport
Getting to St. Louis Lambert International Airport from St. Louis city centre
St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:
TrainMlr · 31m · $4 · every ~7 min
BusGreyhound US1210 · 25m · $2
St. Louis Lambert International Airport airport facilities and services
St. Louis Lambert 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 both terminals, including fast food and sit-down options like Starbucks and Chili's
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at St. Louis Lambert International Airport: Parking, Taxis, WC.
Bike and car services
Available at St. Louis Lambert International Airport: Car Rental.
Accessibility
Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.
Shops, hotels and contact
Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..
Which Denver, CO airport do flights from St. Louis, MO arrive at?
Flights from St. Louis, MO to Denver, CO arrive at Denver International Airport. Denver International Airport is 11 miles (19 km) from Denver, CO city centre.
Denver International Airport (DEN)8500 Peña Blvd, Denver, CO 80249, USA
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..
Most popular flights from St. Louis, MO
More options for your journey from St. Louis, MO to Denver, CO
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Most popular flights to and from Denver, CO and St. Louis, MO
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