Alaska Airlines Flight 523 Deals & Information (2026/2027)

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Alaska Airlines Flight 523 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $119 and $79 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 5 - Wed, Mar 11
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$119 Roundtrip, found 5 days ago
$119
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Mar 5 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Wed, Mar 11, priced at $119 found 5 days ago
Tue, Feb 24 - Sat, Feb 28
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$121 Roundtrip, found 5 days ago
$121
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Feb 24 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Sat, Feb 28, priced at $121 found 5 days ago
Sat, Mar 14 - Tue, Mar 17
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$131 Roundtrip, found 6 days ago
$131
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Mar 14 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Tue, Mar 17, priced at $131 found 6 days ago
Fri, Mar 6 - Mon, Mar 9
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$134 Roundtrip, found 6 days ago
$134
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Mar 6 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Mon, Mar 9, priced at $134 found 6 days ago
Tue, Mar 3 - Wed, Mar 4
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$137 Roundtrip, found 6 days ago
$137
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Mar 3 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Wed, Mar 4, priced at $137 found 6 days ago
Sat, Mar 7 - Sun, Mar 8
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$141 Roundtrip, found 5 days ago
$141
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Mar 7 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Sun, Mar 8, priced at $141 found 5 days ago
Mon, Mar 2 - Mon, Mar 9
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$144 Roundtrip, found 5 days ago
$144
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Mar 2 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Mon, Mar 9, priced at $144 found 5 days ago
Tue, Apr 21 - Sat, Apr 25
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Apr 21 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Sat, Apr 25, priced at $157 just found
Sat, Feb 28 - Sat, Mar 7
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$164 Roundtrip, found 1 hour ago
$164
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Feb 28 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Sat, Mar 7, priced at $164 found 1 hour ago
Thu, Apr 16 - Sat, May 2
SJC
Norman Y. Mineta San Jose Intl.
SEA
Seattle - Tacoma Intl.
$166 Roundtrip, found 2 hours ago
$166
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Thu, Apr 16 from Norman Y. Mineta San Jose Intl. to Seattle - Tacoma Intl., returning Sat, May 2, priced at $166 found 2 hours ago

Frequently asked questions

What route does flight number AS523 take?
AS523 operates direct from TPA to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). During this trip, expect to be in the air for roughly 6 hours. It pays to book ahead to lock in your favorite seat.
What kind of plane is on flight number AS523?
The Boeing 737-900 is the type of aircraft most often used for flight AS523. This flight typically leaves from Tampa Airport and lands at Seattle - Tacoma Intl. Airport (SEA).
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 AS523 flight with Travelocity, please visit our Customer Service Portal.