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Ontario International Airport to Ronald Reagan Washington National Airport flight
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Cheap Flights from Ontario International Airport to Ronald Reagan Washington National Airport

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

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Tue, May 7|Frontier Airlines
        US$46US$103
        55% OFF
        55% OFF
        US$103US$46
      • ONT00:59
        14h 8m
        1 stop
        DCA18:07
        Ontario - Washington D.C.|Sat, May 18|Frontier Airlines
        US$49US$103
        53% OFF
        53% OFF
        US$103US$49
      • ONT09:05
        23h 58m
        1 stop
        DCA12:03
        Ontario - Washington D.C.|Mon, May 20|Frontier Airlines
        US$52US$103
        50% OFF
        50% OFF
        US$103US$52
      • ONT00:59
        18h
        1 stop
        DCA21:59
        Ontario - Washington D.C.|Tue, May 14|Frontier Airlines
        US$53
        US$53
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Sun, May 12|Frontier Airlines
        US$57
        US$57
      • ONT20:56
        18h 11m
        1 stop
        DCA18:07
        Ontario - Washington D.C.|Fri, May 17|Frontier Airlines
        US$62
        US$62
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Sun, May 5|Frontier Airlines
        US$62
        US$62
      • ONT22:59
        20h
        2 stops
        DCA21:59
        Ontario - Washington D.C.|Mon, May 6|Frontier Airlines
        US$63
        US$63
      • ONT00:49
        8h 20m
        1 stop
        DCA12:09
        Ontario - Washington D.C.|Tue, May 21|Frontier Airlines
        US$67
        US$67
      • ONT00:59
        8h 4m
        1 stop
        DCA12:03
        Ontario - Washington D.C.|Wed, May 22|Frontier Airlines
        US$70
        US$70
      • ONT13:00
        3h 5m
        Direct
        DCA14:00
        Los Angeles - Washington D.C.|Sat, May 11|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 Ronald Reagan Washington National Airport

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

Frontier Airlines
From US$46
Delta Air Lines
From US$125
United Airlines
From US$160
Southwest Airlines
From US$163
American Airlines
From US$182
Alaska Airlines
From US$265
ANA airlines
Find more flights and airlines

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

Explore other flights from Los Angeles to Washington D.C.. Find the best alternative flight.

  • Cheapest
    Frontier Airlines
    LAX
    08:11
    10h 48m
    1 transfer
    DCA
    21:59
    Los Angeles International Airport - Ronald Reagan Washington National Airport
    Tue, May 14Frontier Airlines
    US$77
  • Alaska Airlines
    LAX
    09:00
    4h 59m
    Direct
    IAD
    16:59
    Los Angeles International Airport - Dulles International Airport
    Tue, May 7Alaska Airlines
    US$288
  • Alaska Airlines
    LAX
    09:00
    4h 59m
    Direct
    IAD
    16:59
    Los Angeles International Airport - Dulles International Airport
    Tue, May 7Alaska Airlines
    US$288
    Find More Flights

Ontario International Airport to Ronald Reagan Washington National Airport Flights Info

Flight distance3,639.9km
Cheapest one-way ticket price$46
Cheapest return ticket price$94

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

  • How long is a flight from Ontario International Airport to Ronald Reagan Washington National Airport?

    It takes around 6 hours 20 minutes to fly from Ontario International Airport (ONT) to Ronald Reagan Washington National Airport (DCA).

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

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

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

    Tickets cost around $452 in January, making it the cheapest month to book. Ontario International Airport (ONT) to Ronald Reagan Washington National Airport (DCA) is a popular route, so don't forget to book your tickets in advance.

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

    The route from Ontario International Airport (ONT) to Ronald Reagan Washington National Airport (DCA) is quite popular. Without considering departure times or holidays, tickets cost around $452 in January, the most expensive month to book this route.

  • What time does the earliest flight from Ontario International Airport to Ronald Reagan Washington National Airport depart?

    The earliest flight departs from Ontario International Airport (ONT) at 08:35 and arrives in Ronald Reagan Washington National Airport (DCA) at 18:00.

  • Which airline operates the most direct flights from Ontario International Airport (ONT) to Ronald Reagan Washington National Airport (DCA)?

    Southwest Airlines is a very popular airline operating an average of 2 flights per month.

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