Alaska Airlines Flight AS91 Deals & Information (2025/2026)

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Alaska Airlines Flight 91 Route Deals From $169

The cheapest prices found with in the last 7 days for return flights were $327 and $169 for one-way flights to Sitka for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Mon, Sep 29
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Sitka, returning Mon, Sep 29, priced at $327 found 1 day ago
Thu, Sep 11 - Wed, Sep 17
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$330 Roundtrip, found 12 hours ago
$330
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Thu, Sep 11 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 17, priced at $330 found 12 hours ago
Sat, Sep 27 - Mon, Sep 29
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$342 Roundtrip, found 1 day ago
$342
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Sitka, returning Mon, Sep 29, priced at $342 found 1 day ago
Thu, Sep 11 - Wed, Sep 17
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$345 Roundtrip, found 12 hours ago
$345
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Thu, Sep 11 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 17, priced at $345 found 12 hours ago
Sat, Sep 27 - Mon, Sep 29
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Sitka, returning Mon, Sep 29, priced at $347 found 1 day ago
Thu, Sep 11 - Wed, Sep 17
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$350 Roundtrip, found 12 hours ago
$350
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Thu, Sep 11 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 17, priced at $350 found 12 hours ago
Thu, Aug 14 - Sat, Aug 16
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$350 Roundtrip, found 13 hours ago
$350
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Thu, Aug 14 from Seattle - Tacoma Intl. to Sitka, returning Sat, Aug 16, priced at $350 found 13 hours ago
Sat, Sep 27 - Sun, Sep 28
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$351 Roundtrip, found 1 day ago
$351
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Sitka, returning Sun, Sep 28, priced at $351 found 1 day ago
Sat, Sep 27 - Mon, Sep 29
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Sitka, returning Mon, Sep 29, priced at $352 found 1 day ago
Sun, Jun 7 - Fri, Jun 12
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$357 Roundtrip, found 1 day ago
$357
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Jun 7 from Seattle - Tacoma Intl. to Sitka, returning Fri, Jun 12, priced at $357 found 1 day ago

Frequently asked questions

What route does flight number AS91 take?
You'll be touching down at Sea-Tac Airport from GEG if you've booked a ticket on flight number AS91. You'll be in the sky for 1 hour and 10 minutes on this trip. It's also good to note that the flight conveniently travels non-stop.
What kind of plane is on flight number AS91?
The route for AS91 is almost always Spokane, WA Airport (GEG-Spokane Intl.) to SEA, and the Boeing 737-800 is the type of aircraft you're likely to be jetting off with.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AS91 flight with Travelocity, please visit our Customer Service Portal.