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Cheap Flight Deals from Ontario International Airport to Dulles International Airport

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

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

Selected Airlines from Ontario International Airport to Dulles International Airport

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

Frontier Airlines
From AU$ 157
Delta Air Lines
From AU$ 180
Southwest Airlines
From AU$ 191
Alaska Airlines
From AU$ 199
United Airlines
From AU$ 235
American Airlines
From AU$ 352
ANA airlines
Find more flights and airlines

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

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

  • Cheapest
    Alaska Airlines
    LAX
    09:00
    4h 59m
    Direct
    IAD
    16:59
    Los Angeles International Airport - Dulles International Airport
    Tue, May 7Alaska Airlines
    AU$ 121
  • Frontier Airlines
    LAX
    08:11
    10h 48m
    1 transfer
    DCA
    21:59
    Los Angeles International Airport - Ronald Reagan Washington National Airport
    Sat, May 11Frontier Airlines
    AU$ 129
  • Frontier Airlines
    LAX
    08:11
    10h 48m
    1 transfer
    DCA
    21:59
    Los Angeles International Airport - Ronald Reagan Washington National Airport
    Sat, May 11Frontier Airlines
    AU$ 129
    Find More Flights

Ontario International Airport to Dulles International Airport Flights Info

Flight distance3,604.16km
Cheapest one-way ticket priceAU$ 157
Cheapest return ticket priceAU$ 298

FAQs for Ontario International Airport to Dulles International Airport Flights

  • How long is the flights from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD)?

    It takes around 10 hours 10 minutes to fly from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD).
  • How many daily flights are there from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD)?

    There are around 1 daily flights from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD).
  • When are flight from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD) the cheapest?

    Tickets cost around AU$ 687 in March, making it the cheapest month to book. Ontario International Airport (ONT) to Washington Dulles International Airport (IAD) is a popular route, so don't forget to book your tickets in advance.
  • When are flight from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD) most expensive?

    The route from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around AU$ 687 in March, the most expensive month to book this route.
  • What time does the earliest flight from Ontario International Airport to Washington Dulles International Airport depart?

    The earliest flight departs from Ontario International Airport (ONT) at 06:00 and arrives in Washington Dulles International Airport (IAD) at 19:34.
  • Which airline operates the most direct flights from Ontario International Airport (ONT) to Washington Dulles International Airport (IAD)?

    United Airlines is a very popular airline operating an average of 140 flights per month.