Cheap flights from Denver, CO to St. Louis, MO
Flights starting at $44. Choose between United Airlines, Frontier Airlines, or Sun Country Airlines to find the best price.
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The distance between Denver and St. Louis is 1236 km. The most popular airlines for this route are United Airlines, Frontier Airlines, and Sun Country Airlines. Denver and St. Louis have 44 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Denver to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Sun 02.06 - Sat 08.06
| Airline | Sun 02.06 | Mon 03.06 | Tue 04.06 | Wed 05.06 | Thu 06.06 | Fri 07.06 | Sat 08.06 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1 | --- | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 09.06 - Sat 15.06
| Airline | Sun 09.06 | Mon 10.06 | Tue 11.06 | Wed 12.06 | Thu 13.06 | Fri 14.06 | Sat 15.06 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 16.06 - Sat 22.06
| Airline | Sun 16.06 | Mon 17.06 | Tue 18.06 | Wed 19.06 | Thu 20.06 | Fri 21.06 | Sat 22.06 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 23.06 - Sat 29.06
| Airline | Sun 23.06 | Mon 24.06 | Tue 25.06 | Wed 26.06 | Thu 27.06 | Fri 28.06 | Sat 29.06 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Check-in for a flight from Denver to St. Louis
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes | No |
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
| Sun Country Airlines | SCX | SY | Yes | No |
Weather in St. Louis
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 3°C | -3°C |
| February | 6°C | -2°C |
| March | 13°C | 3°C |
| April | 18°C | 8°C |
| May | 24°C | 14°C |
| June | 29°C | 19°C |
| July | 31°C | 21°C |
| August | 30°C | 20°C |
| September | 27°C | 16°C |
| October | 20°C | 10°C |
| November | 12°C | 3°C |
| December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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Airports near Denver
- Denver International
- Colorado Springs
- Yampa Valley
- Gunnison–Crested Butte Regional
- Aspen–Pitkin County
- Cheyenne Regional
- Eagle County Regional
- Pueblo Memorial
- Laramie Regional