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STL–DEN · Nonstop
St. Louis (St. Louis Lambert International Airport) to Denver (Denver International Airport).
The estimated flight time from St. Louis (STL) to Denver (DEN) is about 2h 10m, covering 768 miles. Southwest Airlines, United Airlines, and Frontier Airlines fly the route nonstop with 11/day departures, from 05:10 to 20:50 local time.
Plan this route| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~2h 10m Estimated from great-circle distance — no tracked flights yet. | 768 mi | Nonstop | 11/day From the current provider sample; confirm live timetables before booking. | Domestic |
Southwest Airlines, United Airlines, and Frontier Airlines operate 11/day flights from STL to DEN. Terminal assignments in the captured sample are not confirmed for your flight; check the airline before travel.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 6-7/day | Boeing 737 · Airline terminal guide (confirm for your flight) · Seat map | 06:2506:4507:0008:1508:3008:3508:5509:4512:2012:4012:4514:0016:0516:4017:2017:3017:5018:0518:3020:4520:50 |
| United Airlines | 3-4/day | Airbus A320 family, Boeing 737, Embraer E-Jet · Airline terminal guide (confirm for your flight) · Seat map | 05:1009:0009:0613:3613:3816:4016:4818:59 |
| Frontier Airlines | 1/day | Airbus A320 family · Airline terminal guide (confirm for your flight) · Seat map | 20:08 |
Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for STL, refreshed on a rolling basis. Frequency uses 77 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
The estimated flight time from St. Louis (STL) to Denver (DEN) is about 2h 10m, based on the 768-mile flying distance.
St. Louis (STL) to Denver (DEN) is about 768 miles by air.
Yes. Southwest Airlines, United Airlines, and Frontier Airlines fly nonstop from St. Louis (STL) to Denver (DEN), with 11/day departures.
Southwest Airlines, United Airlines, and Frontier Airlines fly nonstop from St. Louis (STL) to Denver (DEN).
The STL–DEN route is flown with Airbus A320 family, Boeing 737, Embraer E-Jet.