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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Alaska Airlines Flight 91 Route Deals From $234

The cheapest prices found with in the last 7 days for return flights were $428 and $234 for one-way flights to Sitka for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 10 - Wed, Sep 16
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$428 Roundtrip, found 18 hours ago
$428
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Thu, Sep 10 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 16, priced at $428 found 18 hours ago
Sat, Aug 8 - Wed, Aug 12
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$458 Roundtrip, found 1 day ago
$458
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Seattle - Tacoma Intl. to Sitka, returning Wed, Aug 12, priced at $458 found 1 day ago
Sat, Jun 20 - Sun, Jun 21
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$463 Roundtrip, found 4 days ago
$463
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jun 20 from Seattle - Tacoma Intl. to Sitka, returning Sun, Jun 21, priced at $463 found 4 days ago
Sat, Sep 5 - Thu, Sep 10
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$463 Roundtrip, found 1 hour ago
$463
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Sep 5 from Seattle - Tacoma Intl. to Sitka, returning Thu, Sep 10, priced at $463 found 1 hour ago
Sat, Sep 5 - Thu, Sep 10
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$468 Roundtrip, found 1 hour ago
$468
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Sep 5 from Seattle - Tacoma Intl. to Sitka, returning Thu, Sep 10, priced at $468 found 1 hour ago
Thu, Jun 18 - Wed, Jun 24
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$469 Roundtrip, found 1 hour ago
$469
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Jun 18 from Seattle - Tacoma Intl. to Sitka, returning Wed, Jun 24, priced at $469 found 1 hour ago
Thu, Sep 10 - Wed, Sep 16
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$473 Roundtrip, found 18 hours ago
$473
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Thu, Sep 10 from Seattle - Tacoma Intl. to Sitka, returning Wed, Sep 16, priced at $473 found 18 hours ago
Sat, Aug 8 - Wed, Aug 12
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$478 Roundtrip, found 1 day ago
$478
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Seattle - Tacoma Intl. to Sitka, returning Wed, Aug 12, priced at $478 found 1 day ago
Sat, Aug 8 - Wed, Aug 12
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$488 Roundtrip, found 1 day ago
$488
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Seattle - Tacoma Intl. to Sitka, returning Wed, Aug 12, priced at $488 found 1 day ago
Thu, Jun 18 - Wed, Jun 24
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$489 Roundtrip, found 1 hour ago
$489
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Jun 18 from Seattle - Tacoma Intl. to Sitka, returning Wed, Jun 24, priced at $489 found 1 hour 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.