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Ontario International Airport to Denver International Airport flight
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Cheap Flights from Ontario International Airport to Denver International Airport

Search for flights from Los Angeles to Denver. Find affordable one-way or round-trip flights.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • ONT07:30
        2h 31m
        Direct
        DEN11:01
        Ontario - Denver|Sat, May 18|Frontier Airlines
        CNY 16CNY 25
        37% OFF
        37% OFF
        CNY 25CNY 16
      • ONT00:49
        2h 21m
        Direct
        DEN04:10
        Ontario - Denver|Wed, May 22|Frontier Airlines
        CNY 16CNY 25
        37% OFF
        37% OFF
        CNY 25CNY 16
      • ONT00:56
        2h 24m
        Direct
        DEN04:20
        Ontario - Denver|Fri, May 10|Frontier Airlines
        CNY 16CNY 25
        37% OFF
        37% OFF
        CNY 25CNY 16
      • ONT00:59
        2h 24m
        Direct
        DEN04:23
        Ontario - Denver|Tue, Apr 30|Frontier Airlines
        CNY 19
        CNY 19
      • ONT00:49
        2h 21m
        Direct
        DEN04:10
        Ontario - Denver|Tue, May 21|Frontier Airlines
        CNY 19
        CNY 19
      • ONT00:55
        2h 24m
        Direct
        DEN04:19
        Ontario - Denver|Sat, Apr 27|Frontier Airlines
        CNY 19
        CNY 19
      • ONT00:59
        2h 24m
        Direct
        DEN04:23
        Ontario - Denver|Wed, May 1|Frontier Airlines
        CNY 19
        CNY 19
      • ONT00:59
        2h 24m
        Direct
        DEN04:23
        Ontario - Denver|Wed, May 15|Frontier Airlines
        CNY 20
        CNY 20
      • ONT00:59
        2h 24m
        Direct
        DEN04:23
        Ontario - Denver|Tue, Apr 23|Frontier Airlines
        CNY 20
        CNY 20
      • ONT00:59
        2h 24m
        Direct
        DEN04:23
        Ontario - Denver|Tue, May 14|Frontier Airlines
        CNY 20
        CNY 20
      • ONT13:00
        3h 5m
        Direct
        DEN14:00
        Los Angeles - Denver|Sat, Apr 27|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 Ontario International Airport to Denver International Airport

View airlines operating flights from Los Angeles to Denver. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Frontier Airlines
From US$16
Southwest Airlines
From US$79
Delta Air Lines
From US$81
Alaska Airlines
From US$88
United Airlines
From US$90
American Airlines
From US$206
ANA airlines
Find more flights and airlines

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

Explore other flights from Los Angeles to Denver. Find the best alternative flight.

  • Cheapest
    Frontier Airlines
    LAX
    08:11
    2h 25m
    Direct
    DEN
    11:36
    Los Angeles International Airport - Denver International Airport
    Wed, May 15Frontier Airlines
    US$24
  • Frontier Airlines
    LAX
    08:11
    2h 25m
    Direct
    DEN
    11:36
    Los Angeles International Airport - Denver International Airport
    Wed, May 15Frontier Airlines
    US$24
    Find More Flights

Ontario International Airport to Denver International Airport Flights Info

Flight distance1,316.16km
Cheapest one-way ticket price$15
Cheapest return ticket price$35

FAQs for Ontario International Airport to Denver International Airport Flights

  • How long is a flight from Ontario International Airport to Denver International Airport?

    It takes around 2 hours 42 minutes to fly from Ontario International Airport (ONT) to Denver International Airport (DEN).

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

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

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

    Tickets cost around $119 in June, making it the cheapest month to book. Ontario International Airport (ONT) to Denver International Airport (DEN) is a popular route, so don't forget to book your tickets in advance.

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

    The route from Ontario International Airport (ONT) to Denver International Airport (DEN) is quite popular. Without considering departure times or holidays, tickets cost around $223 in April, the most expensive month to book this route.

  • What time does the earliest flight from Ontario International Airport to Denver International Airport depart?

    The earliest flight departs from Ontario International Airport (ONT) at 05:15 and arrives in Denver International Airport (DEN) at 08:34.

  • What time does the latest flight from Ontario International Airport to Denver International Airport depart?

    The latest flight departs from Ontario International Airport (ONT) at 21:36 and arrives in Denver International Airport (DEN) at 01:01.

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

    Frontier Airlines is a very popular airline operating an average of 2278 flights per month.

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