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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 42 times per day, taking around 3h 5m. Cheap flight tickets for this journey start at $95 (€76) if you book in advance.
There are 2 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 22m. 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 794 miles (1279 km) |
Average flight duration 3h 5m |
Cheapest ticket price $95 (€76) |
Flights per day 42 |
Direct flights 2 |
Fastest flight 2h 22m |
Cheapest month to travel February |
First flight 00:04 |
Last flight 23:54 |
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 and prices for Dec 05
Cheapest price
$371
Average price
$371
Fastest journey
1 d 6 h 31 m
Average duration
1 d 6 h 31 m
Flights per day
1
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 $371 if you buy it on the day, but the cheapest tickets can be found for only $371.
Fast flights
Of the 1 flights that leave St. Louis, MO for Denver, CO onFri, Dec 05, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Dec 05 the direct flights cover the 1279 km distance in an average of 1 d 6 h 31 m but if you time it right, some flights will get you there in just 1 d 6 h 31 m .
On Fri, Dec 05 the longest flights will take 1 d 6 h 31 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.
10:40PM30h31
St. Louis, MO05:11AMDenver, CO
$3711One-way
0 transfers
10:40PM30h31
St. Louis, MO05:11AMDenver, CO
$3711One-way
0 transfers
Travel Information
Compare train, bus, and flight for St. Louis, MO to Denver, CO
Omio recommends booking the train 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 prices starting from €77. For those with little time consider booking a flight which can get you there in 3h 5m. The ticket price range depends on the travel mode: a bus costs an average of €77, and a train costs an average of €136.
Distance: 794 miles (1279 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
€209 Average price | €248 Average price | €142 Average price Cheapest |
6h 5m Average total duration Fastest 3h 5m Onboard + 3h 0m Additional time* | 22h 32m Average total duration 22h 2m Onboard + 30m Additional time* | 18h 41m Average total duration 18h 11m Onboard + 30m Additional time* |
Most popular airline |  Most popular train company |  Most popular bus company |
Direct Options | Direct Options | Direct Options |
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, Thursday, December 4. You can also manually refresh the results below to see updated flight journeys.
Last updated at 6:45 AM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 7:36 PM St. Louis, MO | 7h44 | 3:20 AM Denver, CO | 0 transfersDirect | |
| 7:38 PM St. Louis, MO | 6h45 | 2:23 AM Denver, CO | 0 transfersDirect | |
| 10:40 PM St. Louis, MO | 15h22 | 2:02 PM Denver, CO | 0 transfersDirect | |
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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Dec 05
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Airlines: Frontier Airlines, American Airlines, United from St. Louis, MO to Denver, COFind the best flights between St. Louis, MO to Denver, CO with Omio's travel partners Frontier Airlines, American Airlines, United from $95 (€76). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines is one of the USA’s leading carriers, operating both domestic and international routes. For your next trip, you can choose from Economy, Premium Economy, and Business Class fares.
Luggage & cancellation policy
Average Duration
5h 31m
Cheapest Price
$288 (€232)
United frequency
9 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
American Airlines
About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
5h 13m
Cheapest Price
$162 (€131)
American Airlines frequency
21 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
6h 45m
Cheapest Price
$137 (€111)
Frontier Airlines frequency
5 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.
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 $110 (€89) when you book in advance. The average flight ticket price for St. Louis, MO to Denver, CO is $323 (€260); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The flight time to Denver, CO from St. Louis, MO is on average 2 h 20 min for the 792 mile (1278 km) long journey, but the time it takes to go to Denver, CO from St. Louis, MO by flight can vary depending on specific dates or if traveling on weekends and holidays.
The earliest flight from St. Louis, MO to Denver, CO leaves at 12: 15AM. Plan your trip with the Journey Planner from Omio.
The latest flight from St. Louis, MO to Denver, CO leaves at 11: 48PM.
There are 33 flights a day from St. Louis, MO to Denver, CO which require at least one change with Frontier Airlines. Schedules can vary on holidays or weekends with fewer flights.
When taking a flight from St. Louis, MO to Denver, CO, you can count on Frontier Airlines for the best way to get you to Denver, CO. You can also check all possible airlines who offer a service from St. Louis, MO to Denver, CO and compare the amenities they offer before buying a plane ticket.
The cheapest month to travel from St. Louis, MO to Denver, CO by plane is October.
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 or flight.
Since neither St. Louis, MO nor Denver, CO are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. 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.
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 seasons to visit Denver, CO are Spring or Fall. The best weather to explore Denver, CO is during May-September.
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.
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.
popular airports
Popular airports from St. Louis, MO to Denver, CO
St. Louis
Denver
The major airport for departures in St. Louis is St. Louis Lambert International Airport. Find all the information you need to know about services, amenities and connections at St. Louis Lambert International Airport for your trip from St. Louis to Denver.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
2 km
Car connection
I-70, Exit 236Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in both terminals, including Hudson News and Tech on the Go.
Parking
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
Dining
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout both terminals.
Hotel
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
Shower
- Showers available in some lounges, access may require lounge fee.
Lounge
- Lounges available, including American Airlines Admirals Club.
Lost and Found Office
- Lost and Found located in terminal 1, contact airport for details.
Car Rental
- Car rental services available, including Hertz and Enterprise in terminal 1
Public transit options for St. Louis Lambert International Airport
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
The major airport for arrivals in Denver is Denver International Airport. Find all the information you need to know about services, amenities and connections at Denver International Airport for your journey to Denver from St. Louis.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
18 kmCar connection
Peña Blvd, Exit 284Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops located in Jeppesen terminal and concourses, including Duty-Free and local brands.
Parking
- Parking available, approximately 4.7€ ($5) per hour, parkade adjacent to terminal.
Dining
- Various restaurants in Jeppesen terminal and concourses, including American and intertiol cuisine.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Westin Hotel connected to the terminal.
Shower
- Showers available at the Westin Hotel, approximately $20.
Lounge
- Multiple lounges available, including United Club and Delta Sky Club.
Lost and Found Office
- Lost and Found located in Jeppesen terminal, Level 5.
Car Rental
- Car rental services available on airport property, shuttle service to rental car lots.
Public transit options for Denver International Airport
- A Line train, Denver Airport Station, 37 minutes to Union Station
Most popular flights from St. Louis, MO
More options for your journey from St. Louis, MO to Denver, CO
Here are some other resources that might have the information you need
Most popular flights to and from Denver, CO and St. Louis, MO
Most popular flights to Denver, CO
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