Alaska Airlines Flight 91 Deals & Information (2026/2027)

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Alaska Airlines Flight 91 Route Deals From $220

The cheapest prices found with in the last 7 days for return flights were $379 and $220 for one-way flights to Sitka for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 12 - Tue, Sep 15
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$379 Roundtrip, found 6 days ago
$379
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 12 from Seattle - Tacoma Intl. to Sitka, returning Tue, Sep 15, priced at $379 found 6 days ago
Sat, Sep 12 - Tue, Sep 15
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$389 Roundtrip, found 6 days ago
$389
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 12 from Seattle - Tacoma Intl. to Sitka, returning Tue, Sep 15, priced at $389 found 6 days ago
Thu, Sep 17 - Sun, Sep 20
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$468 Roundtrip, found 1 day ago
$468
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Sep 17 from Seattle - Tacoma Intl. to Sitka, returning Sun, Sep 20, priced at $468 found 1 day ago
Fri, Sep 18 - Sun, Sep 20
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$475 Roundtrip, found 18 hours ago
$475
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Fri, Sep 18 from Seattle - Tacoma Intl. to Sitka, returning Sun, Sep 20, priced at $475 found 18 hours ago
Sat, Sep 12 - Tue, Sep 15
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$477 Roundtrip, found 6 days ago
$477
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 12 from Seattle - Tacoma Intl. to Sitka, returning Tue, Sep 15, priced at $477 found 6 days ago
Thu, Aug 27 - Sat, Sep 5
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$497 Roundtrip, found 6 days ago
$497
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Aug 27 from Seattle - Tacoma Intl. to Sitka, returning Sat, Sep 5, priced at $497 found 6 days ago
Wed, Sep 9 - Wed, Sep 16
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$500 Roundtrip, found 3 days ago
$500
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Sep 9 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 16, priced at $500 found 3 days ago
Thu, Aug 27 - Sat, Sep 5
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$502 Roundtrip, found 6 days ago
$502
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Aug 27 from Seattle - Tacoma Intl. to Sitka, returning Sat, Sep 5, priced at $502 found 6 days ago
Thu, Sep 17 - Sat, Sep 19
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$503 Roundtrip, found 3 hours ago
$503
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Sep 17 from Seattle - Tacoma Intl. to Sitka, returning Sat, Sep 19, priced at $503 found 3 hours ago
Thu, Aug 27 - Sat, Sep 5
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$507 Roundtrip, found 6 days ago
$507
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Aug 27 from Seattle - Tacoma Intl. to Sitka, returning Sat, Sep 5, priced at $507 found 6 days 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.