Alaska Airlines Flight AS90 Deals & Information (2025/2026)

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Alaska Airlines Flight 90 Route Deals From $166

The cheapest prices found with in the last 7 days for return flights were $330 and $166 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 12 - Sun, Sep 14
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$330 Roundtrip, just found
$330
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Sep 12 from Sitka to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $330 just found
Fri, Sep 12 - Sun, Sep 14
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$350 Roundtrip, just found
$350
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Sep 12 from Sitka to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $350 just found
Thu, Aug 14 - Sun, Aug 17
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$350 Roundtrip, found 13 hours ago
$350
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Thu, Aug 14 from Sitka to Seattle - Tacoma Intl., returning Sun, Aug 17, priced at $350 found 13 hours ago
Fri, Sep 12 - Sun, Sep 14
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$355 Roundtrip, just found
$355
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Sep 12 from Sitka to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $355 just found
Thu, Aug 7 - Sun, Aug 10
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$360 Roundtrip, found 2 days ago
$360
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Aug 7 from Sitka to Seattle - Tacoma Intl., returning Sun, Aug 10, priced at $360 found 2 days ago
Mon, Oct 13 - Tue, Oct 28
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$362 Roundtrip, found 4 days ago
$362
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Oct 13 from Sitka to Seattle - Tacoma Intl., returning Tue, Oct 28, priced at $362 found 4 days ago
Fri, Oct 31 - Tue, Nov 11
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$366 Roundtrip, found 4 days ago
$366
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Sitka to Seattle - Tacoma Intl., returning Tue, Nov 11, priced at $366 found 4 days ago
Tue, Oct 21 - Sat, Nov 1
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$367 Roundtrip, found 1 day ago
$367
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Oct 21 from Sitka to Seattle - Tacoma Intl., returning Sat, Nov 1, priced at $367 found 1 day ago
Tue, Oct 21 - Sat, Nov 1
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$372 Roundtrip, found 1 day ago
$372
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Oct 21 from Sitka to Seattle - Tacoma Intl., returning Sat, Nov 1, priced at $372 found 1 day ago
Tue, Sep 9 - Tue, Sep 23
SIT
Sitka
SEA
Seattle - Tacoma Intl.
$372 Roundtrip, found 4 days ago
$372
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Sitka to Seattle - Tacoma Intl., returning Tue, Sep 23, priced at $372 found 4 days ago