San Diego to Denver

SANDEN

Fly from San Diego to Denver starting at USD 75 with Frontier Airlines.Best fare available on Nov 2, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Denver cheapest flights this week

29 Sept
Frontier Airlines
16:54SAN
19:22DEN
DirectUSD 137VIEW DEAL
2 Oct
United Airlines
18:50SAN
21:19DEN
DirectUSD 176VIEW DEAL
8 Oct
Frontier Airlines
15:14SAN
21:59DEN
1 StopUSD 160VIEW DEAL
2 Nov
Frontier Airlines
19:33SAN
08:07DEN
1 StopUSD 75VIEW DEAL
16 Nov
Frontier Airlines
06:25SAN
08:59DEN
DirectUSD 84VIEW DEAL
13 Dec
Alaska Airlines
08:15SAN
10:34DEN
DirectUSD 131VIEW DEAL
3 Apr
Alaska Airlines
15:15SAN
17:33DEN
DirectUSD 142VIEW DEAL

San Diego to Denver monthly flight fare trend

Sep
from USD 137
Oct
from USD 160
Nov
from USD 75
Dec
from USD 131
Jan
No flights
Feb
No flights

Airport Details

Origin

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

Destination

Denver

Denver International Airport (DEN)

Denver, DEN
Zone

Denver

Elev

5431 ft

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