Flights from Denver to Ontario

DENONT

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

Nonstop
2h 15m
Distance
1,316 km
Frequency
7×/week
One-way from
$61
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

  • F9290709:10→10:352h 25mFrontier Airlines
  • UA43011:15→12:332h 18mUnited Airlines
  • WN248412:45→14:052h 20mSouthwest Airlines
  • WN474018:30→19:502h 20mSouthwest Airlines
  • UA202819:25→20:512h 26mUnited Airlines
  • WN282721:20→22:402h 20mSouthwest Airlines
  • F9126122:29→23:512h 22mFrontier Airlines

Tuesday

  • WN226308:50→10:102h 20mSouthwest Airlines
  • F9290709:10→10:352h 25mFrontier Airlines
  • UA43011:15→12:332h 18mUnited Airlines
  • WN248413:15→14:402h 25mSouthwest Airlines
  • UA202819:25→20:512h 26mUnited Airlines
  • WN282720:15→21:402h 25mSouthwest Airlines
  • F9126122:29→23:512h 22mFrontier Airlines

Wednesday

  • WN226308:50→10:102h 20mSouthwest Airlines
  • F9290709:10→10:352h 25mFrontier Airlines
  • UA43011:15→12:332h 18mUnited Airlines
  • WN248413:15→14:402h 25mSouthwest Airlines
  • UA202819:25→20:512h 26mUnited Airlines
  • WN282720:15→21:452h 30mSouthwest Airlines
  • F9126122:29→23:512h 22mFrontier Airlines

Thursday

  • F9290709:10→10:352h 25mFrontier Airlines
  • UA43011:15→12:332h 18mUnited Airlines
  • WN248412:45→14:052h 20mSouthwest Airlines
  • WN474018:30→19:502h 20mSouthwest Airlines
  • UA202819:25→20:512h 26mUnited Airlines
  • WN282721:20→22:452h 25mSouthwest Airlines
  • F9126122:29→23:512h 22mFrontier Airlines

Friday

  • F9290709:17→10:422h 25mFrontier Airlines
  • UA43011:15→12:302h 15mUnited Airlines
  • WN248412:45→14:052h 20mSouthwest Airlines
  • WN474018:30→19:502h 20mSouthwest Airlines
  • UA202819:25→20:512h 26mUnited Airlines
  • WN282721:20→22:452h 25mSouthwest Airlines
  • F9126122:29→23:512h 22mFrontier Airlines

Saturday

  • F9290709:17→10:422h 25mFrontier Airlines
  • UA43011:15→12:332h 18mUnited Airlines
  • WN248412:50→14:102h 20mSouthwest Airlines
  • UA202819:25→20:512h 26mUnited Airlines
  • WN474019:40→21:052h 25mSouthwest Airlines
  • F9126122:29→23:512h 22mFrontier Airlines

Sunday

  • F9290709:10→10:352h 25mFrontier Airlines
  • UA43011:15→12:332h 18mUnited Airlines
  • WN248412:45→14:052h 20mSouthwest Airlines
  • WN474018:30→19:502h 20mSouthwest Airlines
  • UA202819:25→20:512h 26mUnited Airlines
  • WN282721:20→22:452h 25mSouthwest Airlines
  • F9126122:29→23:512h 22mFrontier Airlines

Denver to Ontario — frequently asked

How long is the flight from Denver to Ontario?
DEN–ONT is 2h 15m nonstop, covering 1,316 km (818 mi).
Which airlines fly nonstop from Denver to Ontario?
Frontier Airlines, Southwest Airlines, United Airlines operate this route nonstop.
How much is a flight from Denver to Ontario?
One-way fares on DEN–ONT recently started from $61. Fares change daily, so check current prices before booking.
How often do flights run from Denver to Ontario?
The route is served 7 days a week (48 scheduled departures).