Alaska Airlines Flight 337 Deals & Information (2025/2026)

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Alaska Airlines Flight 337 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $175 and $89 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 6 - Sun, Dec 7
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$175 Roundtrip, found 8 hours ago
$175
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Dec 6 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sun, Dec 7, priced at $175 found 8 hours ago
Thu, Jan 8 - Sun, Jan 11
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Jan 8 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sun, Jan 11, priced at $177 just found
Wed, Nov 12 - Mon, Nov 17
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Nov 12 from O'Hare Intl. to Seattle - Tacoma Intl., returning Mon, Nov 17, priced at $180 found 3 hours ago
Tue, Oct 28 - Fri, Oct 31
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$187 Roundtrip, found 5 hours ago
$187
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Tue, Oct 28 from O'Hare Intl. to Seattle - Tacoma Intl., returning Fri, Oct 31, priced at $187 found 5 hours ago
Wed, Oct 29 - Sun, Nov 2
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$191 Roundtrip, just found
$191
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Oct 29 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sun, Nov 2, priced at $191 just found
Sat, Nov 15 - Mon, Nov 17
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$193 Roundtrip, just found
$193
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Nov 15 from O'Hare Intl. to Seattle - Tacoma Intl., returning Mon, Nov 17, priced at $193 just found
Wed, Oct 29 - Sat, Nov 1
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$193 Roundtrip, just found
$193
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Oct 29 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, Nov 1, priced at $193 just found
Sun, Dec 14 - Fri, Jan 2
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Dec 14 from O'Hare Intl. to Seattle - Tacoma Intl., returning Fri, Jan 2, priced at $197 just found
Thu, Nov 13 - Tue, Nov 18
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$199 Roundtrip, found 2 hours ago
$199
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Thu, Nov 13 from O'Hare Intl. to Seattle - Tacoma Intl., returning Tue, Nov 18, priced at $199 found 2 hours ago
Fri, Feb 6 - Tue, Feb 10
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$202 Roundtrip, just found
$202
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Feb 6 from O'Hare Intl. to Seattle - Tacoma Intl., returning Tue, Feb 10, priced at $202 just found