Washington to San Diego
IADSAN
Fly from Washington to San Diego starting at USD 166 with Alaska Airlines.
Best fare available on Oct 31, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to San Diego cheapest flights this week
Washington to San Diego monthly flight fare trend
May
from USD 116
Jun
from USD 235
Jul
No flights
Aug
No flights
Sep
No flights
Oct
from USD 166
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
San Diego
San Diego International Airport (SAN)
San Diego, SAN
Zone
Los Angeles
Elev
17 ft
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