Flights to Blake Island from Washington - ￥11,500

View ￥11,500 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Washington to Blake Island

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Washington to Blake Island (WAS-SEA)

Prices were available within the past 7 days and start at ￥11,500 for one-way flights and ￥23,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 16 - Wed, Oct 22
BWI
Baltimore
SEA
Seattle
￥23,000 Roundtrip, found 3 hours ago
￥23,000
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Oct 16 from Baltimore to Seattle, returning Wed, Oct 22, priced at ￥23,000 found 3 hours ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
BWI
Baltimore
SEA
Seattle
￥23,760 Roundtrip, found 3 hours ago
￥23,760
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Oct 16 from Baltimore to Seattle, returning Wed, Oct 22, priced at ￥23,760 found 3 hours ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
BWI
Baltimore
SEA
Seattle
￥33,000 Roundtrip, found 3 hours ago
￥33,000
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Oct 16 from Baltimore to Seattle, returning Wed, Oct 22, priced at ￥33,000 found 3 hours ago
Hawaiian Airlines
Wed, Oct 22 - Sat, Nov 8
IAD
Washington
SEA
Seattle
￥39,900 Roundtrip, found 5 days ago
￥39,900
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Washington to Seattle, returning Sat, Nov 8, priced at ￥39,900 found 5 days ago
Delta
Wed, Oct 15 - Sat, Nov 1
IAD
Washington
SEA
Seattle
￥40,010 Roundtrip, found 5 days ago
￥40,010
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Oct 15 from Washington to Seattle, returning Sat, Nov 1, priced at ￥40,010 found 5 days ago
United
Thu, Oct 16 - Wed, Oct 22
BWI
Baltimore
SEA
Seattle
￥40,200 Roundtrip, found 3 hours ago
￥40,200
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Oct 16 from Baltimore to Seattle, returning Wed, Oct 22, priced at ￥40,200 found 3 hours ago

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

September is typically the cheapest month to fly

From ￥19,786 - ￥37,764 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.