Denver to San Diego

DENSAN

Fly from Denver to San Diego starting at USD 54 with Frontier Airlines.Best fare available on Oct 11, 2026.Limited seats. Better plans. Book before it's gone.

Denver to San Diego cheapest flights this week

2 Sept
Frontier Airlines
22:29DEN
00:51SAN
DirectUSD 156VIEW DEAL
7 Sept
Frontier Airlines
07:40DEN
10:05SAN
DirectUSD 145VIEW DEAL
9 Sept
Frontier Airlines
22:29DEN
00:51SAN
DirectUSD 102VIEW DEAL
10 Sept
Frontier Airlines
10:05DEN
19:00SAN
1 StopUSD 130VIEW DEAL
11 Sept
Frontier Airlines
13:48DEN
19:19SAN
1 StopUSD 136VIEW DEAL
13 Sept
Frontier Airlines
22:29DEN
19:19SAN
1 StopUSD 136VIEW DEAL
14 Sept
Frontier Airlines
13:48DEN
19:19SAN
1 StopUSD 136VIEW DEAL
4 Oct
Frontier Airlines
22:29DEN
00:51SAN
DirectUSD 70VIEW 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

Sep
from USD 102
Oct
from USD 54
Nov
No flights
Dec
No flights
Jan
No flights
Feb
from USD 128

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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