Cheap Alaska Airlines Flights from Seattle to San Diego (SEA→SAN)

View AU$152 flight on Wed, 17 Sep. 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 23 Sep. - Tue, 30 Sep.
SEA
Seattle
SAN
San Diego
AU$272 Return, found 5 days ago
AU$272
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 23 Sep. from Seattle to San Diego, returning Tue, 30 Sep., priced at AU$272 found 5 days ago
Alaska Airlines
Sat, 6 Sep. - Sun, 7 Sep.
SEA
Seattle
SAN
San Diego
AU$287 Return, found 2 days ago
AU$287
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 6 Sep. from Seattle to San Diego, returning Sun, 7 Sep., priced at AU$287 found 2 days ago
Alaska Airlines
Tue, 23 Sep. - Tue, 30 Sep.
SEA
Seattle
SAN
San Diego
AU$317 Return, found 5 days ago
AU$317
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 23 Sep. from Seattle to San Diego, returning Tue, 30 Sep., priced at AU$317 found 5 days ago
Alaska Airlines
Tue, 16 Sep. - Fri, 19 Sep.
SEA
Seattle
SAN
San Diego
AU$326 Return, found 1 day ago
AU$326
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 16 Sep. from Seattle to San Diego, returning Fri, 19 Sep., priced at AU$326 found 1 day ago
Alaska Airlines
Tue, 23 Sep. - Tue, 30 Sep.
SEA
Seattle
SAN
San Diego
AU$331 Return, found 5 days ago
AU$331
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 23 Sep. from Seattle to San Diego, returning Tue, 30 Sep., priced at AU$331 found 5 days ago
Alaska Airlines
Tue, 23 Sep. - Tue, 30 Sep.
SEA
Seattle
SAN
San Diego
AU$332 Return, found 5 days ago
AU$332
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 23 Sep. from Seattle to San Diego, returning Tue, 30 Sep., priced at AU$332 found 5 days ago
Flight from Seattle to San Diego route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
American Airlines
Distance
1681 km
Average flight time
2 hours 52 mins
*Available to Expedia members.