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Washington D.C. to Seattle-Tacoma International Airport flight
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Cheap Flights from Washington D.C. to Seattle-Tacoma International Airport

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • DCA07:00
        16h 35m
        1 stop
        SEA20:35
        Washington D.C. - Seattle|Tue, May 7|Frontier Airlines
        CAD 111CAD 249
        56% OFF
        56% OFF
        CAD 249CAD 111
      • DCA07:00
        12h 58m
        1 stop
        SEA16:58
        Washington D.C. - Seattle|Wed, May 8|Frontier Airlines
        CAD 114CAD 249
        54% OFF
        54% OFF
        CAD 249CAD 114
      • DCA12:50
        11h 44m
        1 stop
        SEA21:34
        Washington D.C. - Seattle|Fri, May 10|Frontier Airlines
        CAD 125CAD 249
        50% OFF
        50% OFF
        CAD 249CAD 125
      • DCA07:00
        17h 8m
        1 stop
        SEA21:08
        Washington D.C. - Seattle|Sat, May 25|Frontier Airlines
        CAD 136
        CAD 136
      • DCA07:00
        15h 10m
        1 stop
        SEA19:10
        Washington D.C. - Seattle|Tue, Jun 11|Frontier Airlines
        CAD 145
        CAD 145
      • DCA07:00
        32h 57m
        2 stops
        SEA12:57
        Washington D.C. - Seattle|Tue, May 21|Frontier Airlines
        CAD 148
        CAD 148
      • DCA12:55
        21h 9m
        1 stop
        SEA07:04
        Washington D.C. - Seattle|Sat, May 18|Frontier Airlines
        CAD 150
        CAD 150
      • DCA07:00
        16h 32m
        1 stop
        SEA20:32
        Washington D.C. - Seattle|Sat, May 11|Frontier Airlines
        CAD 152
        CAD 152
      • DCA18:51
        17h 4m
        2 stops
        SEA08:55
        Washington D.C. - Seattle|Tue, May 14|Frontier Airlines
        CAD 156
        CAD 156
      • DCA18:58
        16h 42m
        1 stop
        SEA08:40
        Washington D.C. - Seattle|Sun, May 26|Frontier Airlines
        CAD 161
        CAD 161
      • WAS13:00
        3h 5m
        Direct
        SEA14:00
        Washington D.C. - Seattle|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 Washington D.C. to Seattle-Tacoma International Airport
Delta Air Lines
From CAD 188
Sun Country Airlines
From CAD 190
Jetblue Airways
From CAD 198
United Airlines
From CAD 208
Southwest Airlines
From CAD 223
Southern Airways Express
From CAD 242
Frontier Airlines
From CAD 259
American Airlines
From CAD 340
Alaska Airlines
From CAD 432
ANA airlines
Find more flights and airlines

Find Suitable Airport in Washington D.C.

  • 3.44 km from central Washington D.C.CheapestClosest
    Ronald Reagan Washington National Airport
    Tickets From
    CAD 259
  • 36.68 km from central Washington D.C.
    Dulles International Airport
    Tickets From
    CAD 432
Flight Schedule from Washington D.C. to Seattle-Tacoma International Airport
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. AA5458

    American Airlines

    05:02

    IAD

    1.5h

    06:34

    CLT

    SMTWTF-
    Search

  4. AA2775

    American Airlines

    09:27

    CLT

    5.9h

    12:23

    SEA

    SMTWTFS

  5. AS499

    Alaska Airlines

    07:02

    IAD

    5.7h

    Direct

    09:44

    SEA

    SMTWTFS
    Search

  6. DL639

    Delta Air Lines

    07:31

    IAD

    5.8h

    Direct

    10:20

    SEA

    -MTWTF-
    Search

  7. AA2884

    American Airlines

    15:00

    DCA

    3.6h

    17:38

    DFW

    SMTWTFS
    Search

  8. AA1241

    American Airlines

    19:06

    DFW

    4.2h

    21:20

    SEA

    SMTWTFS

  9. AA2647

    American Airlines

    15:34

    DCA

    1.7h

    17:15

    CLT

    SMTWTF-
    Search

  10. AA2029

    American Airlines

    19:24

    CLT

    5.5h

    21:56

    SEA

    SMTWTF-

  11. AA5447

    American Airlines

    17:38

    IAD

    2.1h

    19:45

    CLT

    SMTWTFS
    Search

  12. AA2029

    American Airlines

    19:24

    CLT

    5.5h

    21:56

    SEA

    SMTWTF-

  13. AS309

    Alaska Airlines

    17:43

    IAD

    5.5h

    20:10

    LAX

    SMTWT-S
    Search

  14. AS1055

    Alaska Airlines

    21:20

    LAX

    2.6h

    23:59

    SEA

    SMT-TFS

  15. DL952

    Delta Air Lines

    17:45

    IAD

    5.9h

    Direct

    20:38

    SEA

    SMTWTFS
    Search

  16. AS406

    Alaska Airlines

    18:37

    IAD

    5.9h

    Direct

    21:30

    SEA

    SMTWTFS
    Search
Find more flights and airlines

Flight Info of Flights from Washington D.C. to Seattle-Tacoma International Airport

Cheapest return ticket price

CAD 275

Cheapest direct flight price

CAD 110

Cheapest month

January

Peak season for travel

August

FAQs for Washington D.C. to Seattle-Tacoma International Airport Flights

  • When are flight tickets from Washington D.C. (WAS) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Washington D.C. (WAS) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around CAD 586.

  • How long is the flight from Washington D.C. (WAS) to Seattle (SEA)?

    It takes about 5 hours 49 minutes to fly from Washington D.C. (WAS) to Seattle (SEA).

  • 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, by taxi about 30 minutes.

  • What are the most popular airlines that fly from Washington D.C. (WAS) to Seattle (SEA)?

  • What's the most popular airline for direct flights from Washington D.C. (WAS) to Seattle (SEA)?

    Alaska Airlines operates 1 direct flights from Washington D.C. (WAS) to Seattle (SEA).

  • How many airports in Seattle (SEA)?

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