San Diego to Denver

SANDEN

Fly from San Diego to Denver starting at USD 59 with Frontier Airlines.Best fare available on Aug 25, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Denver cheapest flights this week

14 Aug
Frontier Airlines
06:25SAN
09:03DEN
DirectUSD 144VIEW DEAL
14 Aug
Alaska Airlines
07:00SAN
09:33DEN
DirectUSD 170VIEW DEAL
22 Aug
Frontier Airlines
16:36SAN
05:28DEN
1 StopUSD 174VIEW DEAL
25 Aug
Frontier Airlines
06:25SAN
09:03DEN
DirectUSD 59VIEW DEAL
10 Sept
Frontier Airlines
06:25SAN
08:59DEN
DirectUSD 70VIEW DEAL
13 Dec
Alaska Airlines
08:15SAN
10:34DEN
DirectUSD 131VIEW DEAL

San Diego to Denver monthly flight fare trend

Aug
from USD 59
Sep
from USD 70
Oct
No flights
Nov
No flights
Dec
from USD 131
Jan
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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