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Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport flight
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Cheap Flight Deals from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport

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

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • DCA07:00
        12h 58m
        1 stop
        SEA16:58
        Washington D.C. - Seattle|Wed, May 8|Frontier Airlines
        NZD 139NZD 264
        47% OFF
        47% OFF
        NZD 264NZD 139
      • DCA12:50
        11h 44m
        1 stop
        SEA21:34
        Washington D.C. - Seattle|Fri, May 10|Frontier Airlines
        NZD 152NZD 264
        42% OFF
        42% OFF
        NZD 264NZD 152
      • DCA07:00
        17h
        1 stop
        SEA21:00
        Washington D.C. - Seattle|Wed, May 15|Frontier Airlines
        NZD 155NZD 264
        41% OFF
        41% OFF
        NZD 264NZD 155
      • DCA07:00
        17h 8m
        1 stop
        SEA21:08
        Washington D.C. - Seattle|Sat, May 25|Frontier Airlines
        NZD 165
        NZD 165
      • DCA12:55
        21h 9m
        1 stop
        SEA07:04
        Washington D.C. - Seattle|Sat, May 18|Frontier Airlines
        NZD 182
        NZD 182
      • DCA07:00
        16h 32m
        1 stop
        SEA20:32
        Washington D.C. - Seattle|Sat, May 11|Frontier Airlines
        NZD 186
        NZD 186
      • DCA18:58
        16h 42m
        1 stop
        SEA08:40
        Washington D.C. - Seattle|Sun, May 26|Frontier Airlines
        NZD 190
        NZD 190
      • DCA07:00
        28h 45m
        1 stop
        SEA08:45
        Washington D.C. - Seattle|Thu, May 16|Frontier Airlines
        NZD 232
        NZD 232
      • DCA18:51
        28h 44m
        1 stop
        SEA20:35
        Washington D.C. - Seattle|Mon, May 13|Frontier Airlines
        NZD 232
        NZD 232
      • DCA18:51
        17h 4m
        2 stops
        SEA08:55
        Washington D.C. - Seattle|Tue, May 14|Frontier Airlines
        NZD 233
        NZD 233
      • DCA13:00
        3h 5m
        Direct
        SEA14:00
        Washington D.C. - Seattle|Tue, May 14|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 Seattle-Tacoma International Airport

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

Frontier Airlines
From NZD 139
United Airlines
From NZD 294
Delta Air Lines
From NZD 301
Jetblue Airways
From NZD 345
Alaska Airlines
From NZD 373
Southwest Airlines
From NZD 378
American Airlines
From NZD 517
ANA airlines
Find more flights and airlines
Flight Schedule from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport

Check the schedule for flights from Washington D.C. to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2526

    American Airlines

    05:00

    DCA

    1.6h

    06:34

    CLT

    SMTWTFS
    Search

  2. AA2775

    American Airlines

    09:27

    CLT

    5.9h

    12:23

    SEA

    SMTWTFS

  3. F9685

    Frontier Airlines

    07:00

    DCA

    3.9h

    08:54

    DEN

    SMTWTFS
    Search

  4. F94647

    Frontier Airlines

    17:10

    DEN

    3.0h

    19:10

    SEA

    S----F-

  5. F9685

    Frontier Airlines

    07:00

    DCA

    3.9h

    08:54

    DEN

    SMTWTFS
    Search

  6. F93405

    Frontier Airlines

    18:48

    DEN

    3.0h

    20:51

    SEA

    --T----

  7. F9687

    Frontier Airlines

    12:59

    DCA

    4.0h

    15:00

    DEN

    SMTWTFS
    Search

  8. F94625

    Frontier Airlines

    19:41

    DEN

    3.1h

    21:50

    SEA

    ---WT--

  9. F9687

    Frontier Airlines

    12:59

    DCA

    4.0h

    15:00

    DEN

    SMTWTFS
    Search

  10. F93405

    Frontier Airlines

    18:48

    DEN

    3.0h

    20:51

    SEA

    --T----

  11. F9687

    Frontier Airlines

    12:59

    DCA

    4.0h

    15:00

    DEN

    SMTWTFS
    Search

  12. F94647

    Frontier Airlines

    17:10

    DEN

    3.0h

    19:10

    SEA

    S----F-

  13. AA2884

    American Airlines

    15:00

    DCA

    3.4h

    17:24

    DFW

    SMTWTFS
    Search

  14. AA1241

    American Airlines

    18:50

    DFW

    4.2h

    21:04

    SEA

    SMTWTFS

  15. AA2647

    American Airlines

    15:39

    DCA

    1.7h

    17:20

    CLT

    SMTWTFS
    Search

  16. AA2174

    American Airlines

    20:10

    CLT

    5.5h

    22:41

    SEA

    SMTWTFS

  17. F9689

    Frontier Airlines

    18:59

    DCA

    4.0h

    21:00

    DEN

    SMTWTFS
    Search

  18. F93467

    Frontier Airlines

    20:18

    DEN

    1.9h

    21:15

    PHX

    SMTWT-S

  19. F91311

    Frontier Airlines

    17:44

    PHX

    3.1h

    20:51

    SEA

    SMT-TFS

  20. F9689

    Frontier Airlines

    18:59

    DCA

    4.0h

    21:00

    DEN

    SMTWTFS
    Search

  21. F91175

    Frontier Airlines

    06:35

    DEN

    3.0h

    08:37

    SEA

    S----F-
Find more flights and airlines

Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport Flights Info

Flight distance3,741.3km
Cheapest one-way ticket priceNZD 139
Cheapest return ticket priceNZD 168

FAQs for Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport Flights

  • How long is a flight from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport?

    It takes around 5 hours 49 minutes to fly from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA).

  • How many daily flights are there from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA)?

    There are around 2 daily flights from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA).

  • When are flight tickets from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA) the cheapest?

    Tickets cost around NZD 560 in July, making it the cheapest month to book. Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA) most expensive?

    The route from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around NZD 848 in May, the most expensive month to book this route.

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

    The earliest flight departs from Ronald Reagan Washington National Airport (DCA) at 08:00 and arrives in Seattle-Tacoma International Airport (SEA) at 10:50.

  • What time does the latest flight from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport depart?

    The latest flight departs from Ronald Reagan Washington National Airport (DCA) at 17:50 and arrives in Seattle-Tacoma International Airport (SEA) at 20:50.

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km. It takes about 30 minutes by taxi.

  • Which airline operates the most direct flights from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA)?

    Alaska Airlines is a very popular airline operating an average of 3468 flights per month.

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