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All scheduled flights from Saint Louis to Denver (STL-DEN)

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United States US
All scheduled flights from STL to DEN. You can fly from Saint Louis to Denver non-stop on every weekday and the flight takes about 2 and a half hours. Flights with stops take between 4 to 7 hours depending on your flight and connection airport.
STL-DEN
- Flight has a long layover time at the stop-airport and will affect your flight time.
- Change of terminals at the layover airport. This can go quickly or take time depending on the airport.
- Flight is partially or completely overnight (Red-eye flight).
- Airline or one of the airlines in the flight path is a low-cost carrier. Some travelers wants to avoid low-cost airlines.
- This is codeshare flight. A codeshare flight is an agreement between airlines to sell seats on each others flights. Click on the flight to see the actual flight operator.

Flying non-stop between STL and DEN with United Airlines or Southwest Airlines is the fastest flight option. The flight takes about 2 hours and 23 minutes.

DEN is the IATA airport code for Denver International Airport, Denver, Colorado.

The transfer from DEN is 27 minutes by car to Downtown Denver.

Airlines that offer direct flights from Saint Louis (STL) to Denver (DEN) is United Airlines and Southwest Airlines.

The Airbus A319 with United Airlines has 126 seats and the Boeing 737-800 (winglets) Passenger/BBJ2 with Southwest Airlines has 159 seats.

It all depends on what dates you plan on flying. But the approximate round-trip price for one passenger with Frontier Airlines is $241 and with United $326.