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Ontario International Airport to Washington D.C. flight
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Cheap Flights from Ontario International Airport to Washington D.C.

Search for flights from Ontario International Airport to Washington D.C. and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Tue, May 7|Frontier Airlines
        NZD 77NZD 138
        44% OFF
        44% OFF
        NZD 138NZD 77
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Wed, May 1|Frontier Airlines
        NZD 78NZD 138
        43% OFF
        43% OFF
        NZD 138NZD 78
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Tue, Apr 30|Frontier Airlines
        NZD 78NZD 138
        43% OFF
        43% OFF
        NZD 138NZD 78
      • ONT00:55
        8h 5m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Sat, May 4|Frontier Airlines
        NZD 78
        NZD 78
      • ONT00:59
        14h 8m
        1 stop
        DCA18:07
        Ontario - Washington D.C.|Sat, May 18|Frontier Airlines
        NZD 81
        NZD 81
      • ONT09:05
        23h 58m
        1 stop
        DCA12:03
        Ontario - Washington D.C.|Mon, May 20|Frontier Airlines
        NZD 86
        NZD 86
      • ONT00:59
        18h
        1 stop
        DCA21:59
        Ontario - Washington D.C.|Tue, May 14|Frontier Airlines
        NZD 88
        NZD 88
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Sun, May 5|Frontier Airlines
        NZD 89
        NZD 89
      • ONT00:59
        8h 1m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Sun, May 12|Frontier Airlines
        NZD 96
        NZD 96
      • ONT00:56
        8h 4m
        1 stop
        DCA12:00
        Ontario - Washington D.C.|Fri, May 3|Frontier Airlines
        NZD 98
        NZD 98
      • ONT13:00
        3h 5m
        Direct
        WAS14:00
        Los Angeles - Washington D.C.|Mon, May 6|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 Washington D.C.

See which airlines fly from Ontario International Airport 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 NZD 77
Delta Air Lines
From NZD 196
Alaska Airlines
From NZD 228
United Airlines
From NZD 256
Southwest Airlines
From NZD 272
American Airlines
From NZD 348
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to Washington D.C.

Cheapest round-trip ticket price

NZD 229

Cheapest nonstop flight price

NZD 128

Off-season for travel

March

Peak season for travel

October

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