Alaska Airlines Flight AS337 Deals & Information (2025/2026)

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Alaska Airlines Flight 337 Route Deals From $53

The cheapest prices found with in the last 7 days for return flights were $105 and $53 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 13 - Wed, Sep 17
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$105 Roundtrip, just found
$105
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 13 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, Sep 17, priced at $105 just found
Thu, Aug 7 - Wed, Aug 13
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$107 Roundtrip, just found
$107
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Aug 7 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, Aug 13, priced at $107 just found
Sun, Sep 21 - Fri, Sep 26
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Sep 21 from O'Hare Intl. to Seattle - Tacoma Intl., returning Fri, Sep 26, priced at $133 just found
Sat, Aug 16 - Sat, Aug 30
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$144 Roundtrip, just found
$144
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 16 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $144 just found
Sat, Sep 13 - Wed, Sep 17
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 13 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, Sep 17, priced at $147 just found
Sat, Aug 23 - Sat, Aug 30
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$151 Roundtrip, just found
$151
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 23 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $151 just found
Sat, Aug 9 - Tue, Aug 12
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 9 from O'Hare Intl. to Seattle - Tacoma Intl., returning Tue, Aug 12, priced at $159 just found
Fri, Nov 14 - Sat, Dec 6
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$161 Roundtrip, just found
$161
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Nov 14 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, Dec 6, priced at $161 just found
Tue, Oct 21 - Sun, Oct 26
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Oct 21 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sun, Oct 26, priced at $177 just found
Mon, Aug 18 - Tue, Aug 26
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Aug 18 from O'Hare Intl. to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $180 just found