Flights from Ontario to Denver

ONTDEN

Ontario International Airport (Ontario, United States) → Denver International Airport (Denver, United States)

Nonstop
2h 10m
Distance
1,316 km
Frequency
7×/week
One-way from
$180
Airlines
Frontier Airlines, Southwest Airlines, United Airlines
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • UA244605:00→08:212h 21mUnited Airlines
  • WN411505:40→08:552h 15mSouthwest Airlines
  • F9150006:15→09:412h 26mFrontier Airlines
  • WN326308:05→11:152h 10mSouthwest Airlines
  • F9290811:52→15:182h 26mFrontier Airlines
  • WN329112:40→15:502h 10mSouthwest Airlines
  • UA126313:24→16:452h 21mUnited Airlines
  • WN326414:50→18:002h 10mSouthwest Airlines

Tuesday

  • UA244605:00→08:212h 21mUnited Airlines
  • WN411506:50→10:002h 10mSouthwest Airlines
  • WN326310:25→13:352h 10mSouthwest Airlines
  • F9126211:52→15:182h 26mFrontier Airlines
  • UA126313:22→16:452h 23mUnited Airlines
  • WN95614:00→17:102h 10mSouthwest Airlines

Wednesday

  • UA244605:00→08:212h 21mUnited Airlines
  • F9150006:15→09:412h 26mFrontier Airlines
  • WN411506:50→10:002h 10mSouthwest Airlines
  • WN326310:25→13:352h 10mSouthwest Airlines
  • F9126211:52→15:182h 26mFrontier Airlines
  • UA126313:24→16:452h 21mUnited Airlines
  • WN95614:00→17:102h 10mSouthwest Airlines

Thursday

  • UA244605:00→08:212h 21mUnited Airlines
  • WN411505:40→08:552h 15mSouthwest Airlines
  • F9150006:15→09:412h 26mFrontier Airlines
  • WN326308:05→11:152h 10mSouthwest Airlines
  • F9290811:52→15:182h 26mFrontier Airlines
  • WN329112:40→15:502h 10mSouthwest Airlines
  • UA126313:24→16:452h 21mUnited Airlines
  • WN326414:50→18:002h 10mSouthwest Airlines

Friday

  • UA244605:00→08:212h 21mUnited Airlines
  • WN411505:40→08:552h 15mSouthwest Airlines
  • F9150006:15→09:412h 26mFrontier Airlines
  • WN326308:05→11:152h 10mSouthwest Airlines
  • F9290811:52→15:182h 26mFrontier Airlines
  • WN329112:40→15:502h 10mSouthwest Airlines
  • UA126313:24→16:452h 21mUnited Airlines
  • WN326414:50→18:002h 10mSouthwest Airlines

Saturday

  • UA244605:00→08:212h 21mUnited Airlines
  • F9150006:15→09:412h 26mFrontier Airlines
  • WN352906:50→10:002h 10mSouthwest Airlines
  • WN178208:55→12:052h 10mSouthwest Airlines
  • F9126211:52→15:182h 26mFrontier Airlines
  • WN215412:45→15:552h 10mSouthwest Airlines
  • UA126313:22→16:452h 23mUnited Airlines

Sunday

  • UA244605:00→08:213h 21mUnited Airlines
  • F9150006:15→09:413h 26mFrontier Airlines
  • WN210209:45→12:552h 10mSouthwest Airlines
  • F9290811:52→15:182h 26mFrontier Airlines
  • UA126313:24→16:452h 21mUnited Airlines
  • WN328814:50→18:002h 10mSouthwest Airlines
  • WN175817:40→20:502h 10mSouthwest Airlines

Ontario to Denver — frequently asked

How long is the flight from Ontario to Denver?
ONT–DEN is 2h 10m nonstop, covering 1,316 km (818 mi).
Which airlines fly nonstop from Ontario to Denver?
Frontier Airlines, Southwest Airlines, United Airlines operate this route nonstop.
How much is a flight from Ontario to Denver?
One-way fares on ONT–DEN recently started from $180. Fares change daily, so check current prices before booking.
How often do flights run from Ontario to Denver?
The route is served 7 days a week (51 scheduled departures).