Direct flights from Denver to Saint Louis
All flights from DEN to STL non-stop. There are direct flights from Denver International (DEN), Colorado, USA to Saint Louis Airport (STL), Missouri, USA with Southwest Airlines, United Airlines and Frontier Airlines. 75 weekly departures are currently scheduled on this route. Departure times range from 05:40 to 21:55 depending on the schedule period. The flight distance is 772 miles (1242 km). Flight time ranges from 1 hour and 55 minutes to 2 hours and 19 minutes.
Denver
, USA
Airlines with non-stop routes:
Southwest Airlines
United Airlines
Frontier Airlines
Flight schedule from Denver to Saint Louis with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-10-12
Flight schedule from Denver to Saint Louis with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-10-12
Flight schedule from Denver to Saint Louis with Frontier Airlines
This is a weekly direct flight schedule for Frontier Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-10-12
Denver to Saint Louis scheduled departures
Select a date to see every published non-stop departure between DEN and STL.
DEN - STL route facts
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Distance772 miles (1242 km)
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Flight time1 hour and 55 minutes to 2 hours and 19 minutes
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Airlines Southwest United Frontier
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Airline alliancesLow-cost carrier Star Alliance
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CabinsEconomy First
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Hub airportsUnited Airlines: DEN
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Arrival terminalsSouthwest Airlines: Terminal 2United Airlines: Terminal 1Frontier Airlines: Terminal 1
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AircraftSouthwest Airlines: Boeing 737MAX 8 Passenger, Boeing 737-700 Passenger (Scimitar Winglets) and Boeing 737-800 (winglets) Passenger/BBJ2United Airlines: Airbus A319, Airbus A320, Boeing 737-800 Passenger, Boeing 737MAX 9 Passenger, Embraer 175 (Enhanced Winglets), Boeing 737-900 Passenger and Boeing 737MAX 8 PassengerFrontier Airlines: Airbus A321neo, Airbus A321 and Airbus A320neo
Route FAQ
Direct flights from Denver to MO, USA
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COU Columbia Rgnl
From Denver to Springfield
SGF Springfield Branson Natl
From Denver to Joplin
JLN Joplin Rgnl
From Denver to Kansas City
MCI Kansas City International Airport
