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Denver International Airport to Ontario International Airport flight
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Cheap Flight Deals from Denver International Airport to Ontario International Airport

Search for flights from Denver to Los Angeles and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • DEN05:01
        2h 25m
        Direct
        ONT06:26
        Denver - Ontario|Mon, May 6|Frontier Airlines
        £13£24
        48% OFF
        48% OFF
        £24£13
      • DEN22:35
        2h 24m
        Direct
        ONT23:59
        Denver - Ontario|Tue, Apr 30|Frontier Airlines
        £16£24
        35% OFF
        35% OFF
        £24£16
      • DEN22:20
        2h 19m
        Direct
        ONT23:39
        Denver - Ontario|Tue, May 21|Frontier Airlines
        £16£24
        35% OFF
        35% OFF
        £24£16
      • DEN22:20
        2h 19m
        Direct
        ONT23:39
        Denver - Ontario|Thu, May 16|Frontier Airlines
        £16
        £16
      • DEN05:06
        2h 25m
        Direct
        ONT06:31
        Denver - Ontario|Sun, Apr 28|Frontier Airlines
        £16
        £16
      • DEN22:35
        2h 24m
        Direct
        ONT23:59
        Denver - Ontario|Tue, May 7|Frontier Airlines
        £16
        £16
      • DEN05:01
        2h 25m
        Direct
        ONT06:26
        Denver - Ontario|Wed, May 8|Frontier Airlines
        £16
        £16
      • DEN05:01
        2h 25m
        Direct
        ONT06:26
        Denver - Ontario|Wed, May 15|Frontier Airlines
        £16
        £16
      • DEN05:01
        2h 25m
        Direct
        ONT06:26
        Denver - Ontario|Sat, May 4|Frontier Airlines
        £16
        £16
      • DEN05:01
        2h 25m
        Direct
        ONT06:26
        Denver - Ontario|Sat, May 11|Frontier Airlines
        £17
        £17
      • DEN13:00
        3h 5m
        Direct
        ONT14:00
        Denver - Los Angeles|Sat, May 4|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Denver International Airport to Ontario International Airport

See which airlines fly from Denver to Los Angeles. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From £13
Delta Air Lines
From £64
Southwest Airlines
From £66
Alaska Airlines
From £70
United Airlines
From £73
American Airlines
From £86
ANA airlines
Find more flights and airlines

Find Cheaper Flights from Denver to Los Angeles. Enjoy direct flights with 1 airline

Explore other flights from Denver to Los Angeles to find the best alternative options.

  • Cheapest
    Frontier Airlines
    DEN
    19:06
    2h 34m
    Direct
    LAX
    20:40
    Denver International Airport - Los Angeles International Airport
    Tue, May 21Frontier Airlines
    £35
  • Frontier Airlines
    DEN
    19:06
    2h 34m
    Direct
    LAX
    20:40
    Denver International Airport - Los Angeles International Airport
    Tue, May 21Frontier Airlines
    £35
    Find More Flights

Denver International Airport to Ontario International Airport Flights Info

Flight distance1,316.16km
Cheapest one-way ticket price£12
Cheapest return ticket price£30

FAQs for Denver International Airport to Ontario International Airport Flights

  • How long does it take to fly from Denver International Airport (DEN) to Ontario International Airport (ONT)?

    It takes around 2 hours 21 minutes to fly from Denver International Airport (DEN) to Denver International Airport(ONT).

  • How many daily flights are there from Denver International Airport (DEN) to Ontario International Airport (ONT)?

    There are around 5 daily flights from Denver International Airport (DEN) to Ontario International Airport (ONT).

  • When are flight tickets from Denver International Airport (DEN) to Ontario International Airport (ONT) the cheapest?

    Tickets cost around £93 in June, making it the cheapest month to book. Denver International Airport (DEN) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Denver International Airport (DEN) to Ontario International Airport (ONT) most expensive?

    The route from Denver International Airport (DEN) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around £270 in April, the most expensive month to book this route.

  • What is the transportation method from the main airport to downtown in Los Angeles?

    • The distance from Los Angeles International Airport to downtown is about 19km, by taxi about 30 minutes.
    • The distance from Ontario International Airport to downtown is about 59km, by taxi about 1 hour 10 minutes.

  • What's the closest airport to Ontario International Airport (ONT)?

    The closest airport to Ontario International Airport (ONT) is Chino Airport. The distance is around 9km.

  • Which airline operates the most direct flights from Denver International Airport (DEN) to Ontario International Airport (ONT)?

    Frontier Airlines is a very popular airline operating an average of 2304 flights per month.

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