Alaska Airlines Flight 91 Deals & Information (2025/2026)

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Alaska Airlines Flight 91 Route Deals From $187

The cheapest prices found with in the last 7 days for return flights were $367 and $187 for one-way flights to Sitka for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 12 - Fri, Aug 15
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$367 Roundtrip, found 14 hours ago
$367
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Sitka, returning Fri, Aug 15, priced at $367 found 14 hours ago
Tue, Aug 12 - Fri, Aug 15
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$375 Roundtrip, found 14 hours ago
$375
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Sitka, returning Fri, Aug 15, priced at $375 found 14 hours ago
Thu, Aug 7 - Tue, Aug 12
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$396 Roundtrip, found 1 day ago
$396
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Aug 7 from Seattle - Tacoma Intl. to Sitka, returning Tue, Aug 12, priced at $396 found 1 day ago
Mon, Aug 4 - Wed, Aug 13
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$397 Roundtrip, found 4 days ago
$397
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug 4 from Seattle - Tacoma Intl. to Sitka, returning Wed, Aug 13, priced at $397 found 4 days ago
Thu, Jul 3 - Thu, Jul 10
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$407 Roundtrip, found 2 days ago
$407
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Jul 3 from Seattle - Tacoma Intl. to Sitka, returning Thu, Jul 10, priced at $407 found 2 days ago
Sat, Jul 19 - Sun, Jul 20
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$411 Roundtrip, found 1 day ago
$411
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jul 19 from Seattle - Tacoma Intl. to Sitka, returning Sun, Jul 20, priced at $411 found 1 day ago
Sat, Jul 5 - Sun, Jul 6
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$412 Roundtrip, found 4 days ago
$412
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jul 5 from Seattle - Tacoma Intl. to Sitka, returning Sun, Jul 6, priced at $412 found 4 days ago
Sat, Jul 5 - Fri, Jul 11
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$416 Roundtrip, found 22 hours ago
$416
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Sat, Jul 5 from Seattle - Tacoma Intl. to Sitka, returning Fri, Jul 11, priced at $416 found 22 hours ago
Sun, Jul 13 - Thu, Jul 17
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$418 Roundtrip, found 4 days ago
$418
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sun, Jul 13 from Seattle - Tacoma Intl. to Sitka, returning Thu, Jul 17, priced at $418 found 4 days ago
Tue, Aug 12 - Fri, Aug 15
SEA
Seattle - Tacoma Intl.
SIT
Sitka
$421 Roundtrip, found 1 day ago
$421
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Sitka, returning Fri, Aug 15, priced at $421 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.