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

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Alaska Airlines Flight 634 Route Deals From $49

The cheapest prices found with in the last 7 days for return flights were $97 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, Sep 13 - Thu, Sep 18
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$97 Roundtrip, found 6 hours ago
$97
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Harry Reid Intl. to San Francisco Intl., returning Thu, Sep 18, priced at $97 found 6 hours ago
Thu, Aug 7 - Sun, Aug 10
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$98 Roundtrip, just found
$98
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Aug 7 from Harry Reid Intl. to San Francisco Intl., returning Sun, Aug 10, priced at $98 just found
Thu, Sep 4 - Wed, Sep 10
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$104 Roundtrip, found 1 hour ago
$104
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Sep 4 from Harry Reid Intl. to San Francisco Intl., returning Wed, Sep 10, priced at $104 found 1 hour ago
Thu, Aug 7 - Sun, Aug 10
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Aug 7 from Harry Reid Intl. to San Francisco Intl., returning Sun, Aug 10, priced at $108 just found
Wed, Jul 23 - Sat, Aug 9
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$109 Roundtrip, found 5 days ago
$109
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Jul 23 from Harry Reid Intl. to San Francisco Intl., returning Sat, Aug 9, priced at $109 found 5 days ago
Sat, Aug 16 - Mon, Aug 18
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$114 Roundtrip, found 1 hour ago
$114
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Aug 16 from Harry Reid Intl. to San Francisco Intl., returning Mon, Aug 18, priced at $114 found 1 hour ago
Thu, Oct 16 - Mon, Oct 20
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Oct 16 from Harry Reid Intl. to San Francisco Intl., returning Mon, Oct 20, priced at $117 just found

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.