Flights to Blake Island from Chicago - ￥12,960

View ￥12,960 flight on Sun, Aug 31, 2025Opens in a new window

Popular airlines from Chicago to Blake Island

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

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Cheap Flights from Chicago to Blake Island (CHI-SEA)

Prices were available within the past 7 days and start at ￥12,960 for one-way flights and ￥26,570 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 30 - Tue, Sep 2
ORD
Chicago
SEA
Seattle
￥26,570 Roundtrip, found 2 days ago
￥26,570
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 30 from Chicago to Seattle, returning Tue, Sep 2, priced at ￥26,570 found 2 days ago
Delta
Sat, Aug 30 - Tue, Sep 2
ORD
Chicago
SEA
Seattle
￥26,570 Roundtrip, found 2 days ago
￥26,570
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 30 from Chicago to Seattle, returning Tue, Sep 2, priced at ￥26,570 found 2 days ago
Delta
Sat, Aug 30 - Sat, Sep 6
ORD
Chicago
SEA
Seattle
￥26,590 Roundtrip, found 12 hours ago
￥26,590
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Aug 30 from Chicago to Seattle, returning Sat, Sep 6, priced at ￥26,590 found 12 hours ago
American Airlines
Sat, Aug 30 - Sat, Sep 6
ORD
Chicago
SEA
Seattle
￥26,700 Roundtrip, found 12 hours ago
￥26,700
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Chicago to Seattle, returning Sat, Sep 6, priced at ￥26,700 found 12 hours ago
Hawaiian Airlines
Tue, Aug 19 - Wed, Aug 20
ORD
Chicago
SEA
Seattle
￥27,110 Roundtrip, found 2 days ago
￥27,110
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Aug 19 from Chicago to Seattle, returning Wed, Aug 20, priced at ￥27,110 found 2 days ago
United
Sat, Aug 30 - Tue, Sep 2
ORD
Chicago
SEA
Seattle
￥33,020 Roundtrip, found 2 days ago
￥33,020
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 30 from Chicago to Seattle, returning Tue, Sep 2, priced at ￥33,020 found 2 days ago

Find the cheapest month to fly from Chicago (CHI) to Seattle (SEA)

September is typically the cheapest month to fly

From ￥13,993 - ￥32,138 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.