Denver to San Diego

DENSAN

Fly from Denver to San Diego starting at USD 46 with Frontier Airlines.Best fare available on Oct 4, 2026.Limited seats. Better plans. Book before it's gone.

Denver to San Diego cheapest flights this week

2 Aug
Hawaiian Airlines
06:00DEN
08:34SAN
DirectUSD 124VIEW DEAL
3 Aug
Frontier Airlines
07:40DEN
10:05SAN
DirectUSD 104VIEW DEAL
4 Aug
United Airlines
13:30DEN
15:55SAN
DirectUSD 161VIEW DEAL
17 Aug
Frontier Airlines
22:29DEN
00:51SAN
DirectUSD 89VIEW DEAL
7 Sept
Frontier Airlines
07:40DEN
10:05SAN
DirectUSD 48VIEW DEAL
4 Oct
Frontier Airlines
22:29DEN
00:51SAN
DirectUSD 46VIEW DEAL
11 Oct
Frontier Airlines
22:32DEN
00:59SAN
DirectUSD 54VIEW DEAL
16 Feb
Alaska Airlines
08:20DEN
10:45SAN
DirectUSD 128VIEW DEAL

Denver to San Diego monthly flight fare trend

Aug
from USD 89
Sep
from USD 48
Oct
from USD 46
Nov
No flights
Dec
No flights
Jan
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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