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

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Alaska Airlines Flight 91 Route Deals From $238

The cheapest prices found with in the last 7 days for return flights were $448 and $238 for one-way flights to Sitka for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 20 - Thu, Aug 27
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$448 Roundtrip, found 5 days ago
$448
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Aug 20 from Seattle - Tacoma Intl. to Sitka, returning Thu, Aug 27, priced at $448 found 5 days ago
Fri, Aug 7 - Mon, Aug 10
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$458 Roundtrip, found 1 day ago
$458
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 7 from Seattle - Tacoma Intl. to Sitka, returning Mon, Aug 10, priced at $458 found 1 day ago
Wed, Sep 9 - Sun, Sep 13
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$468 Roundtrip, found 2 days ago
$468
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Sep 9 from Seattle - Tacoma Intl. to Sitka, returning Sun, Sep 13, priced at $468 found 2 days ago
Tue, Sep 8 - Fri, Sep 11
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$468 Roundtrip, found 16 hours ago
$468
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Seattle - Tacoma Intl. to Sitka, returning Fri, Sep 11, priced at $468 found 16 hours ago
Mon, Aug 24 - Tue, Sep 1
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$473 Roundtrip, found 5 days ago
$473
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Aug 24 from Seattle - Tacoma Intl. to Sitka, returning Tue, Sep 1, priced at $473 found 5 days ago
Thu, Jul 16 - Sun, Jul 19
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$478 Roundtrip, found 6 days ago
$478
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Jul 16 from Seattle - Tacoma Intl. to Sitka, returning Sun, Jul 19, priced at $478 found 6 days ago
Thu, Jul 23 - Mon, Jul 27
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$483 Roundtrip, found 1 day ago
$483
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Jul 23 from Seattle - Tacoma Intl. to Sitka, returning Mon, Jul 27, priced at $483 found 1 day ago
Thu, Aug 20 - Thu, Aug 27
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$488 Roundtrip, found 5 days ago
$488
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Aug 20 from Seattle - Tacoma Intl. to Sitka, returning Thu, Aug 27, priced at $488 found 5 days ago
Thu, Jul 9 - Mon, Jul 13
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$489 Roundtrip, found 19 hours ago
$489
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Thu, Jul 9 from Seattle - Tacoma Intl. to Sitka, returning Mon, Jul 13, priced at $489 found 19 hours ago
Mon, Jul 6 - Sat, Jul 11
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$494 Roundtrip, found 1 day ago
$494
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jul 6 from Seattle - Tacoma Intl. to Sitka, returning Sat, Jul 11, priced at $494 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.