Flights from Denver to San Diego

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Denver to San Diego flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Denver to San Diego by changing tabs
Quickest
Cheapest
Frontier
Frontier
24 Sep
DEN
1:38 am
Denver Intl airport
2h 28m
3:06 am
SAN
San Diego airport
Frontier
02 Oct
SAN
4:11 am
San Diego airport
2h 29m
7:40 am
DEN
Denver Intl airport
127 USD
Frontier
Frontier
30 May
DEN
1:39 am
Denver Intl airport
2h 22m
3:01 am
SAN
San Diego airport
Frontier
31 May
SAN
11:15 pm
San Diego airport
2h 25m
2:40 am
+1
DEN
Denver Intl airport
132 USD
Delta
Delta
25 May
DEN
5:10 am
Denver Intl airport
9h 39m
1 Stop
1:49 pm
SAN
San Diego airport
Delta
29 May
SAN
11:00 am
San Diego airport
2h 16m
2:16 pm
DEN
Denver Intl airport
141 USD
Frontier
Frontier
30 May
DEN
1:39 am
Denver Intl airport
2h 22m
3:01 am
SAN
San Diego airport
Frontier
31 May
SAN
11:15 pm
San Diego airport
2h 25m
2:40 am
+1
DEN
Denver Intl airport
132 USD
United Airlines
United Airlines
05 Sep
DEN
1:55 am
Denver Intl airport
2h 19m
3:14 am
SAN
San Diego airport
United Airlines
10 Sep
SAN
4:03 am
San Diego airport
2h 29m
7:32 am
DEN
Denver Intl airport
147 USD
United Airlines
United Airlines
07 Sep
DEN
1:55 am
Denver Intl airport
2h 19m
3:14 am
SAN
San Diego airport
United Airlines
10 Sep
SAN
11:30 pm
San Diego airport
2h 35m
3:05 am
+1
DEN
Denver Intl airport
147 USD

How to get the cheapest flight from Denver to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
CHEAPEST MONTH TO FLY
January
The cheapest time of year to fly to San Diego from Denver is January. Most expensive is March
CHEAPEST DAY TO FLY
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
in the Morning
Denver to San Diego flights are approximately 23% more expensive at Noon than in the Morning
CHEAPEST AIRLINE
Delta
Delta, Frontier, and Major Airline are the most popular carriers operating from Denver to San Diego
CHEAPEST ROUTE
Denver Intl - San Diego
Fly from Denver Intl to San Diego for the best Denver - San Diego flight prices
DEN
Denver Intl
SAN
San Diego
CHEAPEST TIME TO BOOK
41 days before
The cheapest time to buy a flight from Denver to San Diego is approximately 41 days to departure
60
Days before departure
0

Flight information for Denver to San Diego

Find info about flight duration, direct flights, and airports for your flight from Denver to San Diego
Fastest flight time
2h 19m
The fastest flight from Denver to San Diego takes 2h 19m.
Direct flights
Every day
Direct flights go from Denver to San Diego every day.
Airports in San Diego
2 airports
There are 2 airports near San Diego: San Diego (SAN), San Diego Carlsbad-Palomar (CLD)

Alternative routes for Denver to San Diego

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times

Flights from Denver to:

Flights to San Diego from:

  • Denver Intl
  • Colorado
  • United States
  • North America