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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
        NZD 135NZD 263
        49% OFF
        49% OFF
        NZD 263NZD 135
      • DCA07:00
        12h 58m
        1 stop
        SEA16:58
        Washington D.C. - Seattle|Wed, May 8|Frontier Airlines
        NZD 139NZD 263
        47% OFF
        47% OFF
        NZD 263NZD 139
      • DCA12:50
        11h 44m
        1 stop
        SEA21:34
        Washington D.C. - Seattle|Fri, May 10|Frontier Airlines
        NZD 152NZD 263
        42% OFF
        42% OFF
        NZD 263NZD 152
      • DCA07:00
        17h 8m
        1 stop
        SEA21:08
        Washington D.C. - Seattle|Sat, May 25|Frontier Airlines
        NZD 165
        NZD 165
      • DCA18:57
        15h 7m
        1 stop
        SEA07:04
        Washington D.C. - Seattle|Tue, May 21|Frontier Airlines
        NZD 170
        NZD 170
      • DCA07:00
        15h 10m
        1 stop
        SEA19:10
        Washington D.C. - Seattle|Tue, Jun 11|Frontier Airlines
        NZD 177
        NZD 177
      • 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 185
        NZD 185
      • DCA18:51
        17h 4m
        2 stops
        SEA08:55
        Washington D.C. - Seattle|Tue, May 14|Frontier Airlines
        NZD 189
        NZD 189
      • DCA18:58
        16h 42m
        1 stop
        SEA08:40
        Washington D.C. - Seattle|Sun, May 26|Frontier Airlines
        NZD 195
        NZD 195
      • WAS13:00
        3h 5m
        Direct
        SEA14:00
        Washington D.C. - Seattle|Sun, May 12|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
Sun Country Airlines
From NZD 229
Delta Air Lines
From NZD 232
Jetblue Airways
From NZD 241
United Airlines
From NZD 253
Southwest Airlines
From NZD 271
Southern Airways Express
From NZD 294
Frontier Airlines
From NZD 315
American Airlines
From NZD 413
Alaska Airlines
From NZD 526
ANA airlines
Find more flights and airlines

Airports in Washington D.C.

  • 3.44 km from central Washington D.C.CheapestClosest
    Ronald Reagan Washington National Airport
    Tickets From
    NZD 315
  • 36.68 km from central Washington D.C.
    Dulles International Airport
    Tickets From
    NZD 526
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 round-trip ticket price

NZD 334

Cheapest nonstop flight price

NZD 134

Off-season for travel

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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

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

    According to Trip.com's data, the lowest price is around NZD 736.

  • How long does it take to fly from Washington D.C. (WAS) to Seattle (SEA) and what is the distance?

    It takes around 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. It takes about 30 minutes by taxi.

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

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