Year-round direct route · 1,029 km
Denver (DEN) to Tucson (TUS)
Nonstop service operated by Frontier Airlines, Southwest Airlines, United Airlines. Around 1h 54m gate to gate over 1,029 km (639 mi).
Route facts
| Airlines | Frontier Airlines, Southwest Airlines, United Airlines |
| Service | Year-round |
| Distance | 1,029 km / 639 mi |
| Est. flight time | about 1h 54m |
| Return direction | TUS to DEN |
Times are estimates from distance; days of operation and schedules change. Verify with the airline before booking.