Flights to Northern Virginia from Seattle - ￥15,320

View ￥15,320 flight on Fri, Oct 3, 2025Opens in a new window

Popular airlines from Seattle to Northern Virginia

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle to Northern Virginia (SEA-WAS)

Prices were available within the past 7 days and start at ￥15,320 for one-way flights and ￥30,580 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
BWI
Baltimore
￥30,580 Roundtrip, found 4 days ago
￥30,580
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 30 from Seattle to Baltimore, returning Sat, Sep 6, priced at ￥30,580 found 4 days ago
American Airlines
Thu, Oct 23 - Wed, Oct 29
SEA
Seattle
BWI
Baltimore
￥30,700 Roundtrip, found 1 day ago
￥30,700
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 23 from Seattle to Baltimore, returning Wed, Oct 29, priced at ￥30,700 found 1 day ago
American Airlines
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
BWI
Baltimore
￥31,360 Roundtrip, found 4 days ago
￥31,360
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 30 from Seattle to Baltimore, returning Sat, Sep 6, priced at ￥31,360 found 4 days ago
American Airlines
Thu, Oct 23 - Wed, Oct 29
SEA
Seattle
BWI
Baltimore
￥31,480 Roundtrip, found 1 day ago
￥31,480
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 23 from Seattle to Baltimore, returning Wed, Oct 29, priced at ￥31,480 found 1 day ago
Delta
Thu, Sep 4 - Thu, Sep 11
SEA
Seattle
BWI
Baltimore
￥38,230 Roundtrip, found 1 day ago
￥38,230
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 4 from Seattle to Baltimore, returning Thu, Sep 11, priced at ￥38,230 found 1 day ago
United
Thu, Sep 4 - Thu, Sep 11
SEA
Seattle
BWI
Baltimore
￥53,060 Roundtrip, found 1 day ago
￥53,060
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Seattle to Baltimore, returning Thu, Sep 11, priced at ￥53,060 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Washington (IAD)

September is typically the cheapest month to fly

From ￥25,787 - ￥44,164 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.