Alaska Airlines Flight 355 Deals & Information (2026/2027)

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Alaska Airlines Flight 355 Route Deals From $516

The cheapest prices found with in the last 7 days for return flights were $674 and $516 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 26 - Wed, Sep 2
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$674 Roundtrip, found 1 day ago
$674
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 26 from Keflavik Intl. to Seattle - Tacoma Intl., returning Wed, Sep 2, priced at $674 found 1 day ago
Thu, Aug 27 - Mon, Aug 31
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$674 Roundtrip, found 16 hours ago
$674
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Thu, Aug 27 from Keflavik Intl. to Seattle - Tacoma Intl., returning Mon, Aug 31, priced at $674 found 16 hours ago
Fri, Sep 4 - Sun, Sep 6
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$675 Roundtrip, found 5 days ago
$675
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Sep 4 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sun, Sep 6, priced at $675 found 5 days ago
Fri, Aug 7 - Sat, Aug 22
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$697 Roundtrip, found 3 days ago
$697
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Aug 7 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sat, Aug 22, priced at $697 found 3 days ago
Wed, Jul 29 - Sun, Aug 2
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$789 Roundtrip, found 17 hours ago
$789
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Wed, Jul 29 from Keflavik Intl. to Seattle - Tacoma Intl., returning Sun, Aug 2, priced at $789 found 17 hours ago
Wed, Aug 12 - Tue, Aug 18
KEF
Keflavik Intl.
SEA
Seattle - Tacoma Intl.
$876 Roundtrip, found 1 day ago
$876
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 12 from Keflavik Intl. to Seattle - Tacoma Intl., returning Tue, Aug 18, priced at $876 found 1 day ago