
Flights From Chicago (CHI) to SeaTac (SEA)
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Selected fares from Chicago to SeaTac
The cheapest prices found with in the last 7 days for return flights were CA $355 and CA $183 for one-way flights to SeaTac for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 28 - Tue, May 5
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
CA $355 Roundtrip, found 6 days ago
CA $355
Roundtrip
found 6 days ago

Tue, Apr 28 - Tue, May 5
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
CA $355 Roundtrip, found 6 days ago
CA $355
Roundtrip
found 6 days ago

Sat, May 2 - Sat, May 9
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
CA $362 Roundtrip, found 17 hours ago
CA $362
Roundtrip
found 17 hours ago
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