Cheap flights from Denver to San Diego

Round-trip
1 adult
Economy
From?
To?
Sun 6/27
Sun 7/4

Flight information for Denver to San Diego
(DEN to SAN)

Find info about flight duration, direct flights, and airports for your flight from Denver to San Diego
Best Price Found$102The best flight deal from Denver to San Diego found on momondo in the last 72 hours is $102
Fastest flight time2h 20mThe fastest flight from Denver to San Diego takes 2h 20m
Direct flightsSat and SunDirect flights go from Denver to San Diego on Saturday and Sunday. The only airline offering direct flights is Southwest.
Airports in San Diego2 airportsThere are 2 airports near San Diego: San Diego (SAN), San Diego Carlsbad-Palomar (CLD)

How to get the cheapest flight ticket 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 ticket for your trip

What is the cheapest month to fly from Denver to San Diego?

August

The cheapest time of year to fly to San Diego from Denver is August. Most expensive is December

What is the cheapest day to depart Denver for San Diego?

Tuesday

The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

When is the cheapest time to fly from Denver to San Diego?

in the morning

Denver to San Diego flights are approximately 23% more expensive at noon than in the morning

What is the cheapest airline that flies to San Diego from Denver?

Delta

American Airlines, Delta, and Frontier are the most popular carriers operating from Denver to San Diego

What is the cheapest Denver to San Diego flight route?

Denver Intl - San Diego

Fly from Denver Intl to San Diego for the best Denver - San Diego flight prices

How far in advance should you book Denver to San Diego flights?

13 days before

The cheapest time to buy a flight from Denver to San Diego is approximately 13 days to departure


Easily compare round-trip flights from Denver to San Diego

Below you can see the best fares for your round-trip flight 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
Spirit Airlines
Jun 30
DEN2:00 amDenver Intl
8h 08m
1 stop
SAN10:08 amSan Diego
Jul 3
SAN9:58 amSan Diego
4h 21m
1 stop
DEN2:19 pmDenver Intl
Frontier
Jul 9
DEN6:46 pmDenver Intl
19h 01m
1 stop
SAN1:47 pmSan Diego
Jul 18
SAN4:59 amSan Diego
23h 03m
1 stop
DEN4:02 amDenver Intl
Multiple Airlines
Jun 28
DEN2:00 amDenver Intl
12h 48m
1 stop
SAN2:48 pmSan Diego
Jul 4
SAN4:59 amSan Diego
5h 19m
1 stop
DEN10:18 amDenver Intl
Frontier
Jul 3
DEN6:45 pmDenver Intl
20h 03m
1 stop
SAN2:48 pmSan Diego
Jul 6
SAN5:57 amSan Diego
13h 02m
1 stop
DEN6:59 pmDenver Intl
Spirit Airlines
Jun 30
DEN2:00 amDenver Intl
8h 08m
1 stop
SAN10:08 amSan Diego
Jul 3
SAN9:58 amSan Diego
4h 21m
1 stop
DEN2:19 pmDenver Intl
Frontier
Jul 15
DEN9:04 amDenver Intl
5h 44m
1 stop
SAN2:48 pmSan Diego
Jul 19
SAN5:57 amSan Diego
13h 02m
1 stop
DEN6:59 pmDenver Intl

Find the cheapest one-way flights from Denver to San Diego

If you're looking for one-way flights from Denver to San Diego, view some of our deals below provided by Frontier and Spirit Airlines
Spirit Airlines
Jun 30
DEN2:00 amDenver Intl
8h 08m
1 stop
SAN10:08 amSan Diego
Frontier
Jul 9
DEN6:46 pmDenver Intl
19h 01m
1 stop
SAN1:47 pmSan Diego
Multiple Airlines
Jun 28
DEN2:00 amDenver Intl
12h 48m
1 stop
SAN2:48 pmSan Diego

Best airlines flying from Denver to San Diego

Compare and see reviews for airlines that fly from Denver to San Diego with momondo
AirlineRatingFree CancellationPrice
American Airlines
PriceFrom $57
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.9

Crew

7.0

Entertainment

6.8

Food

Reviews

Pros: Delayed flight no reasons seems like American Airlines don’t know what to do in these situations

Cons: I believe this airlines should have figured the answer to this question by now.

1 / 10
Spirit Airlines
PriceFrom $69
Free Cancellation
Rating
7.0
7.4

Boarding

6.7

Comfort

7.6

Crew

6.3

Entertainment

6.4

Food

Reviews

Pros: Well, it was not very comfortable and we were delayed for an hour. And a crew member was sick.

Cons: Mostly everything.

1 / 10
Frontier
PriceFrom $77
Free Cancellation
Rating
7.2
7.6

Boarding

6.8

Comfort

7.8

Crew

6.6

Entertainment

6.8

Food

Reviews

Cons: I asked for a bottle of water because i needed to take my meds and I was given the run around and after i payed i Was given the bottle of water followed by we are about to land in half an hour are you sure?? Of course im sure i need to take my meds. I am a veteran and have to take my meds on time.

1 / 10
Delta
PriceFrom $82
Free Cancellation
Rating
8.1
8.3

Boarding

8.4

Comfort

8.3

Crew

7.9

Entertainment

8.1

Food

Reviews

Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.

1 / 10
United Airlines
PriceFrom $97
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.1

Food

Reviews

Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!

1 / 10
Southwest
PriceFrom $101
Free Cancellation
Rating
8.4
8.6

Boarding

8.5

Comfort

8.8

Crew

7.6

Entertainment

7.8

Food

Reviews

Pros: The plane was new and the seats were nice.

1 / 10

  • Are airlines flying from Denver Intl to San Diego offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Denver Intl to San Diego are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are United Airlines, Frontier, and Spirit Airlines. You can search for the full list of airlines like United Airlines that are offering this flexibility.


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
Denver to Los Angeles Flights
Fastest flight time2h 18m
Cheapest price$68
Denver to Burbank Flights
Fastest flight time2h 22m
Cheapest price$101
Denver to Santa Ana Flights
Fastest flight time2h 17m
Cheapest price$104
Denver to Oakland, California Flights
Fastest flight time2h 39m
Cheapest price$110
Denver to Ontario Flights
Fastest flight time2h 11m
Cheapest price$112
Denver to Reno Flights
Fastest flight time2h 14m
Cheapest price$113
Denver to Sacramento Flights
Fastest flight time2h 26m
Cheapest price$122
Denver to Fresno Flights
Fastest flight time2h 16m
Cheapest price$128
Denver to San Francisco Flights
Fastest flight time2h 35m
Cheapest price$141
Colorado Springs to San Diego Flights
Fastest flight time5h 22m
Cheapest price$146
Denver to San Jose, California Flights
Fastest flight time2h 27m
Cheapest price$151
Colorado Springs to Los Angeles Flights
Fastest flight time2h 35m
Cheapest price$167