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

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Alaska Airlines Flight 91 Route Deals From $254

The cheapest prices found with in the last 7 days for return flights were $448 and $254 for one-way flights to Sitka for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 8 - Mon, Sep 14
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$448 Roundtrip, found 4 days ago
$448
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Seattle - Tacoma Intl. to Sitka, returning Mon, Sep 14, priced at $448 found 4 days ago
Tue, Sep 8 - Thu, Sep 17
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$468 Roundtrip, found 1 day ago
$468
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Seattle - Tacoma Intl. to Sitka, returning Thu, Sep 17, priced at $468 found 1 day ago
Thu, Sep 10 - Wed, Sep 16
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$475 Roundtrip, found 3 hours ago
$475
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Sep 10 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 16, priced at $475 found 3 hours ago
Wed, Sep 2 - Sat, Sep 5
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$505 Roundtrip, found 4 days ago
$505
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 2 from Seattle - Tacoma Intl. to Sitka, returning Sat, Sep 5, priced at $505 found 4 days ago
Tue, Sep 8 - Mon, Sep 14
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$508 Roundtrip, found 4 days ago
$508
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Seattle - Tacoma Intl. to Sitka, returning Mon, Sep 14, priced at $508 found 4 days ago
Wed, Sep 2 - Wed, Sep 9
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$510 Roundtrip, found 3 days ago
$510
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Sep 2 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 9, priced at $510 found 3 days ago
Sat, Sep 5 - Sun, Sep 6
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$511 Roundtrip, found 5 days ago
$511
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Sep 5 from Seattle - Tacoma Intl. to Sitka, returning Sun, Sep 6, priced at $511 found 5 days ago
Tue, Sep 8 - Mon, Sep 14
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$513 Roundtrip, found 4 days ago
$513
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Seattle - Tacoma Intl. to Sitka, returning Mon, Sep 14, priced at $513 found 4 days ago
Wed, Sep 2 - Wed, Sep 9
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$515 Roundtrip, found 3 days ago
$515
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Sep 2 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 9, priced at $515 found 3 days ago
Tue, Sep 8 - Thu, Sep 17
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$518 Roundtrip, found 1 day ago
$518
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Seattle - Tacoma Intl. to Sitka, returning Thu, Sep 17, priced at $518 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.