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

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Alaska Airlines Flight 91 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $93 and $59 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 14 - Sun, Dec 6
LAX
Los Angeles Intl.
SFO
San Francisco Intl.
$93 Roundtrip, found 1 hour ago
$93
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Nov 14 from Los Angeles Intl. to San Francisco Intl., returning Sun, Dec 6, priced at $93 found 1 hour ago
Sun, Nov 8 - Sat, Nov 14
LAX
Los Angeles Intl.
SFO
San Francisco Intl.
$99 Roundtrip, found 7 hours ago
$99
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Sun, Nov 8 from Los Angeles Intl. to San Francisco Intl., returning Sat, Nov 14, priced at $99 found 7 hours ago
Tue, Oct 27 - Tue, Nov 3
LAX
Los Angeles Intl.
SFO
San Francisco Intl.
$104 Roundtrip, just found
$104
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Oct 27 from Los Angeles Intl. to San Francisco Intl., returning Tue, Nov 3, priced at $104 just found
Mon, Nov 23 - Thu, Nov 26
LAX
Los Angeles Intl.
SFO
San Francisco Intl.
$104 Roundtrip, found 7 hours ago
$104
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Mon, Nov 23 from Los Angeles Intl. to San Francisco Intl., returning Thu, Nov 26, priced at $104 found 7 hours ago
Mon, Feb 1 - Wed, Feb 3
LAX
Los Angeles Intl.
SFO
San Francisco Intl.
$111 Roundtrip, found 2 hours ago
$111
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Mon, Feb 1 from Los Angeles Intl. to San Francisco Intl., returning Wed, Feb 3, priced at $111 found 2 hours 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.