Year-round direct route · 1,236 km
Denver (DEN) to St Louis (STL)
Nonstop service operated by Frontier Airlines, Southwest Airlines, United Airlines. Around 2h 08m gate to gate over 1,236 km (768 mi).
Route facts
| Airlines | Frontier Airlines, Southwest Airlines, United Airlines |
| Service | Year-round |
| Distance | 1,236 km / 768 mi |
| Est. flight time | about 2h 08m |
| Return direction | STL to DEN |
Times are estimates from distance; days of operation and schedules change. Verify with the airline before booking.
STL · St. Louis Lambert International Airport
St Louis, United States