
Popular airlines from Chicago to Puget Sound
American Airlines
United
Southwest Airlines
Delta
Frontier Airlines
JetBlue Airways
Alaska Airlines
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Cheap Flights from Chicago to Puget Sound (CHI-SEA)
Prices were available within the past 7 days and start at $73 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 4 - Sat, Jun 7
ORD
Chicago
SEA
Seattle
$157 Roundtrip, just found
$157
Roundtrip
just found

Fri, May 30 - Mon, Jun 2
ORD
Chicago
SEA
Seattle
$160 Roundtrip, just found
$160
Roundtrip
just found

Tue, Aug 19 - Wed, Aug 20
ORD
Chicago
SEA
Seattle
$163 Roundtrip, found 3 days ago
$163
Roundtrip
found 3 days ago

Tue, Jun 10 - Wed, Jun 11
ORD
Chicago
SEA
Seattle
$169 Roundtrip, just found
$169
Roundtrip
just found

Wed, Sep 3 - Sat, Oct 11
ORD
Chicago
SEA
Seattle
$169 Roundtrip, just found
$169
Roundtrip
just found

Sat, Jun 7 - Sat, Jun 14
MDW
Chicago
SEA
Seattle
$179 Roundtrip, found 5 hours ago
$179
Roundtrip
found 5 hours ago
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