Denver to San Diego
DENSAN
Fly from Denver to San Diego starting at USD 48 with Frontier Airlines.
Best fare available on Sep 7, 2026.
Limited seats. Better plans. Book before it's gone.
Denver to San Diego cheapest flights this week
Denver to San Diego monthly flight fare trend
Jul
from USD 139
Aug
No flights
Sep
from USD 48
Oct
No flights
Nov
No flights
Dec
No flights
Airport Details
Origin
Denver
Denver International Airport (DEN)
Denver, DEN
Zone
Denver
Elev
5431 ft
Destination
San Diego
San Diego International Airport (SAN)
San Diego, SAN
Zone
Los Angeles
Elev
17 ft
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