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Ronald Reagan Washington National Airport to Ontario International Airport flight
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Cheap Flight Deals from Ronald Reagan Washington National Airport to Ontario International Airport

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

  • One way
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  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • DCA18:57
        8h 2m
        1 stop
        ONT23:59
        Washington D.C. - Ontario|Wed, May 29|Frontier Airlines
        AU$ 107AU$ 179
        40% OFF
        40% OFF
        AU$ 179AU$ 107
      • DCA07:00
        9h 24m
        1 stop
        ONT13:24
        Washington D.C. - Ontario|Tue, May 21|Frontier Airlines
        AU$ 112AU$ 179
        38% OFF
        38% OFF
        AU$ 179AU$ 112
      • DCA18:57
        8h 2m
        1 stop
        ONT23:59
        Washington D.C. - Ontario|Sat, May 18|Frontier Airlines
        AU$ 112AU$ 179
        37% OFF
        37% OFF
        AU$ 179AU$ 112
      • DCA18:51
        8h 8m
        1 stop
        ONT23:59
        Washington D.C. - Ontario|Tue, May 14|Frontier Airlines
        AU$ 115
        AU$ 115
      • DCA07:00
        19h 59m
        1 stop
        ONT23:59
        Washington D.C. - Ontario|Wed, May 15|Frontier Airlines
        AU$ 117
        AU$ 117
      • DCA07:00
        27h 3m
        1 stop
        ONT07:03
        Washington D.C. - Ontario|Tue, Jun 18|Frontier Airlines
        AU$ 118
        AU$ 118
      • DCA07:00
        19h 42m
        1 stop
        ONT23:42
        Washington D.C. - Ontario|Wed, Jun 5|Frontier Airlines
        AU$ 121
        AU$ 121
      • DCA18:51
        14h 35m
        1 stop
        ONT06:26
        Washington D.C. - Ontario|Mon, May 13|Frontier Airlines
        AU$ 123
        AU$ 123
      • DCA18:59
        7h 57m
        1 stop
        ONT23:56
        Washington D.C. - Ontario|Tue, Jun 11|Frontier Airlines
        AU$ 124
        AU$ 124
      • DCA07:00
        9h 34m
        1 stop
        ONT13:34
        Washington D.C. - Ontario|Wed, May 22|Frontier Airlines
        AU$ 135
        AU$ 135
      • DCA13:00
        3h 5m
        Direct
        ONT14:00
        Washington D.C. - Los Angeles|Sun, May 19|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 Ronald Reagan Washington National Airport to Ontario International Airport

See which airlines fly from Washington D.C. 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 AU$ 107
American Airlines
From AU$ 166
Delta Air Lines
From AU$ 194
Alaska Airlines
From AU$ 212
United Airlines
From AU$ 219
Jetblue Airways
From AU$ 232
Southwest Airlines
From AU$ 255
ANA airlines
Find more flights and airlines

Find Cheaper Flights from Washington D.C. to Los Angeles. Enjoy direct flights with 1 airline

Explore other flights from Washington D.C. to Los Angeles to find the best alternative options.

  • Cheapest
    Alaska Airlines
    IAD
    18:05
    5h 35m
    Direct
    LAX
    20:40
    Dulles International Airport - Los Angeles International Airport
    Tue, Jun 4Alaska Airlines
    AU$ 115
  • Frontier Airlines
    DCA
    07:00
    16h 40m
    1 transfer
    LAX
    20:40
    Ronald Reagan Washington National Airport - Los Angeles International Airport
    Wed, May 15Frontier Airlines
    AU$ 451
  • Frontier Airlines
    DCA
    07:00
    16h 40m
    1 transfer
    LAX
    20:40
    Ronald Reagan Washington National Airport - Los Angeles International Airport
    Wed, May 15Frontier Airlines
    AU$ 451
    Find More Flights

Ronald Reagan Washington National Airport to Ontario International Airport Flights Info

Flight distance3,639.9km
Cheapest one-way ticket priceAU$ 106
Cheapest return ticket priceAU$ 142

FAQs for Ronald Reagan Washington National Airport to Ontario International Airport Flights

  • How long is the flights from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT)?

    It takes around 10 hours to fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT).

  • How many daily flights are there from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT)?

    There are around 1 daily flights from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT).

  • When are flight from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) the cheapest?

    Tickets cost around AU$ 1,297 in March, making it the cheapest month to book. Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance.

  • When are flight from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) most expensive?

    The route from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around AU$ 1,297 in March, 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 Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT)?

    Southwest Airlines is a very popular airline operating an average of 7 flights per month.

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