Washington to San Diego
IADSAN
Fly from Washington to San Diego starting at USD 152 with Frontier Airlines.
Best fare available on Sep 16, 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
Sep
from USD 152
Oct
from USD 166
Nov
from USD 228
Dec
No flights
Jan
No flights
Feb
No flights
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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