
Popular airlines from Chicago to North Seattle
American Airlines
Delta
United
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Cheap Flights from Chicago to North Seattle (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.

Thu, Sep 18 - Wed, Sep 24
ORD
Chicago
SEA
Seattle
¥15,340 Roundtrip, found 3 days ago
¥15,340
Roundtrip
found 3 days ago

Thu, Nov 20 - Mon, Dec 8
ORD
Chicago
SEA
Seattle
¥15,360 Roundtrip, found 2 days ago
¥15,360
Roundtrip
found 2 days ago

Tue, Sep 9 - Tue, Sep 16
ORD
Chicago
SEA
Seattle
¥15,470 Roundtrip, found 2 days ago
¥15,470
Roundtrip
found 2 days ago

Mon, Nov 3 - Tue, Nov 11
ORD
Chicago
SEA
Seattle
¥15,790 Roundtrip, found 2 days ago
¥15,790
Roundtrip
found 2 days ago

Thu, Sep 18 - Wed, Sep 24
ORD
Chicago
SEA
Seattle
¥17,080 Roundtrip, found 3 days ago
¥17,080
Roundtrip
found 3 days ago

Thu, Sep 18 - Wed, Sep 24
ORD
Chicago
SEA
Seattle
¥22,010 Roundtrip, found 3 days ago
¥22,010
Roundtrip
found 3 days ago
Find the cheapest month to fly from Chicago (CHI) to Seattle (SEA)
September is typically the cheapest month to fly
From ¥14,301 - ¥31,773 per traveler.
Graph displaying average flight prices per month
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