Flights to Northwest Washington from Chicago - ￥7,730

View ￥7,730 flight on Wed, Aug 13, 2025Opens in a new window

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Cheap Flights from Chicago to Northwest Washington (CHI-SEA)

Prices were available within the past 7 days and start at ￥7,730 for one-way flights and ￥15,340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Sep 18 - Wed, Sep 24
ORD
Chicago
SEA
Seattle
￥15,340 Roundtrip, found 2 days ago
￥15,340
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 18 from Chicago to Seattle, returning Wed, Sep 24, priced at ￥15,340 found 2 days ago
Hawaiian Airlines
Thu, Nov 20 - Mon, Dec 8
ORD
Chicago
SEA
Seattle
￥15,360 Roundtrip, found 1 day ago
￥15,360
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, Nov 20 from Chicago to Seattle, returning Mon, Dec 8, priced at ￥15,360 found 1 day ago
American Airlines
Tue, Sep 9 - Tue, Sep 16
ORD
Chicago
SEA
Seattle
￥15,470 Roundtrip, found 2 days ago
￥15,470
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Sep 9 from Chicago to Seattle, returning Tue, Sep 16, priced at ￥15,470 found 2 days ago
Delta
Mon, Nov 3 - Tue, Nov 11
ORD
Chicago
SEA
Seattle
￥15,790 Roundtrip, found 2 days ago
￥15,790
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 3 from Chicago to Seattle, returning Tue, Nov 11, priced at ￥15,790 found 2 days ago
Delta
Thu, Sep 18 - Wed, Sep 24
ORD
Chicago
SEA
Seattle
￥17,080 Roundtrip, found 2 days ago
￥17,080
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 18 from Chicago to Seattle, returning Wed, Sep 24, priced at ￥17,080 found 2 days ago
United
Thu, Sep 18 - Wed, Sep 24
ORD
Chicago
SEA
Seattle
￥22,010 Roundtrip, found 2 days ago
￥22,010
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 18 from Chicago to Seattle, returning Wed, Sep 24, priced at ￥22,010 found 2 days ago
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