San Diego to Seattle
SANSEA
Fly from San Diego to Seattle starting at USD 78 with Southwest Airlines.
Best fare available on Aug 19, 2026.
Limited seats. Better plans. Book before it's gone.
San Diego to Seattle cheapest flights this week
San Diego to Seattle monthly flight fare trend
Aug
from USD 78
Sep
No flights
Oct
No flights
Nov
No flights
Dec
No flights
Jan
from USD 107
Airport Details
Origin
San Diego
San Diego International Airport (SAN)
San Diego, SAN
Zone
Los Angeles
Elev
17 ft
Destination
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
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