Year-round direct route · 1,316 km
Ontario (ONT) to Denver (DEN)
Nonstop service operated by Southwest Airlines, United Airlines. Around 2h 14m gate to gate over 1,316 km (818 mi).
Route facts
| Airlines | Southwest Airlines, United Airlines |
| Service | Year-round |
| Distance | 1,316 km / 818 mi |
| Est. flight time | about 2h 14m |
| Return direction | see DEN departures |
Times are estimates from distance; days of operation and schedules change. Verify with the airline before booking.