- Must visit
Saint Louis Art Museum
Vast art museum in Forest Park with global collections from antiquity to modern works and strong free general admission.
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The cheapest and fastest flights from Denver, CO to St. Louis, MO
Showing times, prices and bookable tickets for Nov 05
- Cheapest price on Nov 05
- $153
- Average ticket price on Nov 05
- $164
- Fastest journey on Nov 05
- 13 h 2 m
- Average journey duration on Nov 05
- 13 h 31 m
- Flights on Nov 05
- 2
- Distance
- 1279 km
Cheap tickets
The best way to find a cheap flight ticket from Denver, CO to St. Louis, MO 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 St. Louis, MO will cost around $164 if you buy it on the day, but the cheapest tickets can be found for only $153.
Fast flights
On Thu, Nov 05, we found 2 flights from Denver, CO to St. Louis, MO, including 2 direct services.
On Thu, Nov 05 the direct flights cover the 1279 km distance in an average of 13 h 31 m but if you time it right, some flights will get you there in just 13 h 2 m .
On Thu, Nov 05 the longest flights will take 14 h 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.
12:00 PM 14h00 Denver, CO 2:00 AM St. Louis, MO $153 1 One-way 0 transfers2:24 PM 13h02 Denver, CO 3:26 AM St. Louis, MO $175 1 One-way 0 transfers
2:24 PM 13h02 Denver, CO 3:26 AM St. Louis, MO $175 1 One-way 0 transfers12:00 PM 14h00 Denver, CO 2:00 AM St. Louis, MO $153 1 One-way 0 transfers
Journey information
Overview: Denver, CO to St. Louis, MO flight
USAUSA
Flights from Denver, CO to St. Louis, MO depart on average 100 times per day, taking around 5h 13m. Cheap flight tickets for this journey start at $56 if you book in advance.
There are 4 flights per day. The earliest flight runs at 00:04, the last at 23:58. The fastest flight covers the 794 miles (1279 km) distance in 2h 3m. September 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 5h 13m |
Cheapest ticket price $56 |
Flights per day 100 |
Direct flights 4 |
Fastest flight 2h 3m |
First flight 12:04 AM |
Last flight 11:58 PM |
Cheapest Month Sep |
Cheapest Day Mon |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Wed |
Least Busy Day Wed |
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
Frequently asked questions about your Denver, CO to St. Louis, MO trip
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Denver, CO to St. Louis, MO.
Cheap plane tickets from Denver, CO to St. Louis, MO can start from as little as $56 when you book in advance. The average flight ticket price for Denver, CO to St. Louis, MO is $542 ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The earliest flight from Denver, CO to St. Louis, MO leaves at 12:04 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Denver, CO to St. Louis, MO leaves at 11:58 PM.
Yes, there are 4 direct flights a day from Denver, CO to St. Louis, MO with frontier airlines, United. Schedules can vary on holidays or weekends with fewer direct flights.
Live departures
Denver, CO to St. Louis, MO flight times
The table below shows live departures for Denver, CO to St. Louis, MO flights for today, Wednesday, November 4. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 3:25 PM Denver, CO | 20h52 | 12:17 PM St. Louis, MO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Why should you book Denver, CO to St. Louis, MO flights with Omio?
frontier airlines as well as American Airlines, United, Alaska Airlines, Sun Country Airlines and more offer flights services from Denver, CO to St. Louis, MO.
Omio is an official ticket reseller for all your travel options from Denver, CO to St. Louis, MO.
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 American Airlines, United, Alaska Airlines or Sun Country Airlines to find the best option for your trip from Denver, CO to St. Louis, MO.
- 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 Denver, CO to St. Louis, MO.
Why book with Omio over Trip, Edreams or Kayak?
- Compare with other providers: On Omio, you can also compare tickets for the likes of American Airlines, United, Alaska Airlines or Sun Country Airlines to find the best option for your trip from Denver, CO to St. Louis, MO.
- 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 St. Louis, MO.
Airlines: American Airlines, United, frontier airlines, Alaska Airlines, Sun Country Airlines from Denver, CO to St. Louis, MOFind the best flights between Denver, CO to St. Louis, MO with Omio's travel partners American Airlines, United, frontier airlines, Alaska Airlines, Sun Country Airlines from $56. 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 3m
Cheapest United Price
$275
United frequency
29 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
3h 41m
Cheapest American Airlines Price
$92
American Airlines frequency
42 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.
Alaska Airlines
About
Alaska Airlines, headquartered in SeaTac, Washington, is a major U.S. airline and the fifth-largest in North America by scheduled passengers carried as of 2024. Along with its regional partners, Horizon Air and SkyWest Airlines, Alaska Airlines operates a route network primarily connecting cities along the West Coast of the United States, including Alaska and Hawaii, to over 100 destinations in the contiguous U.S., the Bahamas, Belize, Canada, Costa Rica, Guatemala, and Mexico. The airline is a member of the Oneworld alliance, offering passengers access to a broad global network. Alaska Airlines is known for its customer service and loyalty program, Mileage Plan, and offers First Class, Premium Class, and Main Cabin seating options. The airline's primary hub is Seattle-Tacoma International Airport. In 2024, its parent company, Alaska Air Group, acquired Hawaiian Airlines.
Luggage & cancellation policy
Average Alaska Airlines Duration
6h 32m
Cheapest Alaska Airlines Price
$206
Alaska Airlines frequency
28 a day
Luggage included
1 carry-on bag (22 x 14 x 9) and 1 personal item included
Additional luggage
Checked bags fees start at $30 for first bag, $40 for second bag
Cancellation Policy
Saver fares are non-refundable. Main and First Class fares are refundable with fee, depending on fare type and elite status
Pregnant on board
Passengers can fly up to 36 weeks pregnant. After 28 weeks, medical certificate required
Unaccompagned minor
Unaccompanied minor service available for children ages 5-17. Service fee is $50 per direction on nonstop flights
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Alaska Airlines provides wheelchair assistance and special services for passengers with disabilities, including meet-and-assist services and accessible seating
Pets
Pets allowed in cabin and cargo hold. Service animals welcome. Fees apply for pets in cabin ($100)
Sun Country Airlines
Luggage & cancellation policy
Average Sun Country Airlines Duration
6h 27m
Cheapest Sun Country Airlines Price
$351
Sun Country Airlines frequency
1 a day
Luggage included
One personal item (17 x 13 x 9 inches) included
Additional luggage
Checked bags available for purchase, fees vary by route
Cancellation Policy
Refunds available within 24 hours of booking, after that fees apply based on fare type
Pregnant on board
Pregnant passengers can travel up to 36 weeks (32 weeks for multiple pregnancies). Medical certificate required after 28 weeks
Unaccompagned minor
Unaccompanied minor service available for children 5-14 years old, fee applies, must be booked in advance
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Wheelchair assistance available with 48-hour advance notice
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 5m
Cheapest frontier airlines Price
$56
frontier airlines frequency
16 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.
Companies, tickets, and onboard amenities between Denver, CO and St. Louis, MO
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
When taking a flight from Denver, CO to St. Louis, MO, you can count on frontier airlines, American Airlines, United, Alaska Airlines, Sun Country Airlines for the best way to get you to St. Louis, MO. You can also check all possible airlines who offer a service between Denver, CO and St. Louis, MO and compare the amenities they offer before buying a plane ticket.
For international flights we recommend to arrive 2.5 to 3 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.
Complete guide to St. Louis, MO
Things to do in St. Louis, MO
Discover the best of St. Louis, MO — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect St. Louis, MO trip today.
- Recommended
Missouri History Museum
Leading history museum covering St. Louis, Missouri, and national stories through rotating exhibitions in Forest Park.
- Recommended
Saint Louis Science Center
Interactive science museum with hands-on exhibits, planetarium, and family-friendly displays near Forest Park.
- Must visit
Gateway Arch National Park Grounds
Lively downtown riverfront district with trails, views of the Arch, public art, and access to major historic sites.
- Must visit
Forest Park
Large urban park with trails, lakes, zoo access, and major museums, ideal for walking between top attractions.
- Recommended
Tower Grove Park
Beloved neighborhood park with formal lily ponds, pavilions, and one of the city's most photographed landscapes.
- Vegetarian
St. Louis-Style Pizza
A thin, cracker-like crust pizza cut into squares and topped with Provel cheese, a St. Louis original loved for its distinct texture and tangy flavor.
- Vegetarian
Toasted Ravioli
Crisp, breaded ravioli said to be born on The Hill, usually served with marinara. It is a signature St. Louis Italian-American appetizer.
- Vegetarian
Gooey Butter Cake
Sticky butter cake with a dense base and gooey sweet top. A longtime St. Louis bakery favorite often enjoyed for breakfast or dessert.
Bulrush
Refined contemporary restaurant with tasting menus and strong national acclaim. Elegant fine dining focused on seasonal Midwestern ingredients.
Ted Drewes Frozen Custard
Beloved frozen custard stand serving concretes and sundaes since 1929. Casual, nostalgic, and one of the city's iconic dessert stops.
Pappy's Smokehouse
Popular smokehouse known for St. Louis barbecue, especially ribs, brisket, and pork steak, in a polished but relaxed atmosphere.
United States dollar ($)
Moderate for U.S. city breaks: hotels and dining are reasonable, transit is limited, and attractions often cost less than in larger U.S. tourist cities.
Average meal costs
- Budget
- $10-15 for fast food or casual lunch.
- Mid-range
- $20-35 per person for a mid-range restaurant meal.
- Fine dining
- $60+ per person at upscale restaurants.
- Coffee
- $3-5 for coffee or cappuccino.
Tipping culture
Tip 18-20% at restaurants, $1-2 per drink at bars, and 10-15% for taxis. Cafes often have tip jars or screen prompts.
Plan your visit to St. Louis, MO
Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in St. Louis, MO.
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 St. Louis, MO, travelers should be cautious in certain neighborhoods with higher crime rates, especially after dark. Common safety concerns include petty theft, pickpocketing, and occasional scams targeting visitors near popular attractions like the Gateway Arch. It’s advisable to stay in well-populated areas, avoid displaying valuables openly, and use reputable transportation services to minimize 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.
FAQs: Denver, CO to St. Louis, MO Flight
Find answers to the most common questions about traveling from Denver, CO to St. Louis, MO 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 St. Louis, MO, this guide helps you travel smarter and with confidence.
It's helpful to compare your options as there are 3 ways to travel between Denver, CO and St. Louis, MO including taking a train, bus, and flight.
popular airports
Popular airports from Denver, CO to St. Louis, MO
Most Denver, CO to St. Louis, MO flights use the Denver International Airport to St. Louis Lambert International Airport airport pair. Use this guide to compare Denver, CO and St. Louis, MO airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Departure airports in Denver
Arrival airports in St. Louis
Which Denver, CO airport do flights to St. Louis, MO leave from?
Flights from Denver, CO to St. Louis, MO 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, 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 · $8 · 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..
Which St. Louis, MO airport do flights from Denver, CO arrive at?
Flights from Denver, CO to St. Louis, MO arrive at St. Louis Lambert International Airport. St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
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 · $3
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..
Airports for flights from Denver, CO to St. Louis, MO
See which airports are used for flights between Denver, CO and St. Louis, MO, including airport details.
Flights from Denver, CO to St. Louis, MO generally leave from Denver International Airport and arrive in St. Louis Lambert International Airport.Denver International Airport is 11 miles (19 km) away from Denver, CO city centre and St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
More options for your journey from Denver, CO to St. Louis, MO
Here are some other resources that might have the information you need
Most popular flights to and from St. Louis, MO and Denver, CO
Most popular flights to St. Louis, MO
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