Alaska Airlines Flight 634 Deals & Information (2025/2026)

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 634 Route Deals From $49

The cheapest prices found with in the last 7 days for return flights were $78 and $49 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 11 - Tue, Oct 14
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$78 Roundtrip, found 6 days ago
$78
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Oct 11 from Harry Reid Intl. to San Francisco Intl., returning Tue, Oct 14, priced at $78 found 6 days ago
Sat, Oct 11 - Tue, Oct 14
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$85 Roundtrip, found 6 days ago
$85
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Oct 11 from Harry Reid Intl. to San Francisco Intl., returning Tue, Oct 14, priced at $85 found 6 days ago
Thu, Oct 23 - Sat, Oct 25
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$93 Roundtrip, found 2 hours ago
$93
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Harry Reid Intl. to San Francisco Intl., returning Sat, Oct 25, priced at $93 found 2 hours ago
Fri, Sep 12 - Mon, Sep 15
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$95 Roundtrip, found 6 hours ago
$95
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Fri, Sep 12 from Harry Reid Intl. to San Francisco Intl., returning Mon, Sep 15, priced at $95 found 6 hours ago
Fri, Nov 14 - Sat, Nov 15
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$97 Roundtrip, found 2 hours ago
$97
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Nov 14 from Harry Reid Intl. to San Francisco Intl., returning Sat, Nov 15, priced at $97 found 2 hours ago
Tue, Dec 23 - Tue, Dec 30
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$100 Roundtrip, found 7 hours ago
$100
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Dec 23 from Harry Reid Intl. to San Francisco Intl., returning Tue, Dec 30, priced at $100 found 7 hours ago
Tue, Feb 3 - Tue, Feb 10
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$103 Roundtrip, found 5 days ago
$103
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Feb 3 from Harry Reid Intl. to San Francisco Intl., returning Tue, Feb 10, priced at $103 found 5 days ago
Sat, Sep 13 - Tue, Sep 16
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$107 Roundtrip, found 1 day ago
$107
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Harry Reid Intl. to San Francisco Intl., returning Tue, Sep 16, priced at $107 found 1 day ago

Frequently asked questions

What route does flight number AS634 take?
Flight number AS634 flies non-stop from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Tampa Airport. During this journey, you'll be in the air for around 5 hours and 24 minutes. Book ahead to secure your preferred seat.
What kind of plane is on flight number AS634?
The route for AS634 is almost always Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Tampa Intl. Airport (TPA), and the Boeing 737-900 is the type of aircraft you'll probably be taking off on.
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 AS634 flight with Travelocity, please visit our Customer Service Portal.