Cheap Flights from Denver, CO to San Diego, CA from $27
On Cheapflightsplus.com you will find 19 direct and 287 connecting flights from Denver to San Diego. You can compare airfare deals from 7 airlines and multiple travel sites from $27, book and save on cheap plane tickets and last minute offers. Also check out DEN-SAN flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Denver to San Diego Flight Deals
Best Flights from Denver to San Diego Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $27 | 22:29 Denver Denver International | 23:59 San Diego San Diego | 2h 30m | Frontier Airlines | F92421 |
from $44 | 22:29 Denver Denver International | 23:50 San Diego San Diego | 2h 21m | Frontier Airlines | F92711 |
from $44 | 09:44 Denver Denver International | 11:10 San Diego San Diego | 2h 26m | Frontier Airlines | F92817 |
from $44 | 18:10 Denver Denver International | 19:39 San Diego San Diego | 2h 29m | Frontier Airlines | F94989 |
from $60 | 15:00 Denver Denver International | 16:23 San Diego San Diego | 2h 23m | Hawaiian Airlines | HA4809 |
from $60 | 07:01 Denver Denver International | 08:25 San Diego San Diego | 2h 24m | Hawaiian Airlines | HA4808 |
from $60 | 19:50 Denver Denver International | 21:19 San Diego San Diego | 2h 29m | Hawaiian Airlines | HA4813 |
from $63 | 15:00 Denver Denver International | 16:23 San Diego San Diego | 2h 23m | Alaska Airlines | AS1129 |
from $63 | 07:01 Denver Denver International | 08:25 San Diego San Diego | 2h 24m | Alaska Airlines | AS1127 |
from $63 | 19:50 Denver Denver International | 21:19 San Diego San Diego | 2h 29m | Alaska Airlines | AS3025 |
from $82 | 07:45 Denver Denver International | 09:09 San Diego San Diego | 2h 24m | United Airlines | UA2309 |
from $99 | 11:28 Denver Denver International | 12:52 San Diego San Diego | 2h 24m | United Airlines | UA583 |
from $114 | 11:28 Denver Denver International | 12:52 San Diego San Diego | 2h 24m | United Airlines | UA2412 |
from $63 | 07:00 Denver Denver International | 10:24 San Diego San Diego | 4h 24m layover 0h 57m - Salt Lake City | Frontier Airlines | F93861 F91901 |
from $63 | 14:37 Denver Denver International | 18:37 San Diego San Diego | 5h 0m layover 1h 28m - Las Vegas | Frontier Airlines | F92349 F91465 |
from $63 | 09:10 Denver Denver International | 15:11 San Diego San Diego | 7h 1m layover 3h 33m - Phoenix | Frontier Airlines | F91375 F92083 |
Flight Schedule Denver (Colorado) to San Diego (California)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
07:01 — 08:25
|
07:01 — 08:25
HA4808
Hawaiian Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$60 |
|
07:01 — 08:25
|
07:01 — 08:25
AS1127
Alaska Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$63 |
|
07:45 — 09:09
|
07:45 — 09:09
UA2309
United Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$82 |
|
09:44 — 11:10
|
09:44 — 11:10
F92817
Frontier Airlines
Denver — San Diego
|
2h 26m |
Find flight
from$44 |
|
11:22 — 12:46
|
11:22 — 12:46
UA2381
United Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$122 |
|
11:28 — 12:52
|
11:28 — 12:52
UA583
United Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$99 |
|
11:28 — 12:52
|
11:28 — 12:52
UA2412
United Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$114 |
|
11:33 — 12:57
|
11:33 — 12:57
UA1940
United Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$91 |
|
13:38 — 14:59
|
13:38 — 14:59
UA1302
United Airlines
Denver — San Diego
|
2h 21m |
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from$91 |
|
15:00 — 16:23
|
15:00 — 16:23
HA4809
Hawaiian Airlines
Denver — San Diego
|
2h 23m |
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from$60 |
|
15:00 — 16:23
|
15:00 — 16:23
AS1129
Alaska Airlines
Denver — San Diego
|
2h 23m |
Find flight
from$63 |
|
16:03 — 17:24
|
16:03 — 17:24
UA1281
United Airlines
Denver — San Diego
|
2h 21m |
Find flight
from$90 |
|
18:10 — 19:39
|
18:10 — 19:39
F94989
Frontier Airlines
Denver — San Diego
|
2h 29m |
Find flight
from$44 |
|
19:14 — 20:38
|
19:14 — 20:38
UA540
United Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$82 |
|
19:50 — 21:19
|
19:50 — 21:19
HA4813
Hawaiian Airlines
Denver — San Diego
|
2h 29m |
Find flight
from$60 |
|
19:50 — 21:19
|
19:50 — 21:19
AS3025
Alaska Airlines
Denver — San Diego
|
2h 29m |
Find flight
from$63 |
|
20:50 — 22:14
|
20:50 — 22:14
UA1835
United Airlines
Denver — San Diego
|
2h 24m |
Find flight
from$82 |
|
22:29 — 23:59
|
22:29 — 23:59
F92421
Frontier Airlines
Denver — San Diego
|
2h 30m |
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from$27 |
|
22:29 — 23:50
|
22:29 — 23:50
F92711
Frontier Airlines
Denver — San Diego
|
2h 21m |
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from$44 |
|
06:01 — 18:07
|
06:01 — 09:09
F91324
Frontier Airlines
Denver — Dallas
7h 41m stop
16:50 — 18:07
F91425
Frontier Airlines
Dallas — San Diego
|
13h 6m including layover |
Find flight
from$68 |
|
06:08 — 12:52
|
06:08 — 07:50
UA2367
United Airlines
Denver — San Francisco
3h 20m stop
11:10 — 12:52
UA682
United Airlines
San Francisco — San Diego
|
7h 44m including layover |
Find flight
from$93 |
|
07:00 — 10:24
|
16:00 — 17:39
F93861
Frontier Airlines
Denver — Salt Lake City
57m stop
09:29 — 10:26
F91901
Frontier Airlines
Salt Lake City — San Diego
|
4h 24m including layover |
Find flight
from$63 |
|
08:02 — 12:52
|
08:02 — 09:44
UA2391
United Airlines
Denver — San Francisco
1h 26m stop
11:10 — 12:52
UA682
United Airlines
San Francisco — San Diego
|
5h 50m including layover |
Find flight
from$93 |
|
08:02 — 12:52
|
08:02 — 09:44
UA1152
United Airlines
Denver — San Francisco
1h 26m stop
11:10 — 12:52
UA682
United Airlines
San Francisco — San Diego
|
5h 50m including layover |
Find flight
from$94 |
|
09:10 — 15:11
|
07:30 — 08:34
F91375
Frontier Airlines
Denver — Phoenix
3h 33m stop
15:05 — 16:22
F92083
Frontier Airlines
Phoenix — San Diego
|
7h 1m including layover |
Find flight
from$63 |
|
10:09 — 15:08
|
10:09 — 11:51
UA1572
United Airlines
Denver — San Francisco
1h 39m stop
13:30 — 15:08
UA1106
United Airlines
San Francisco — San Diego
|
5h 59m including layover |
Find flight
from$94 |
|
10:15 — 13:40
|
10:15 — 11:45
UA405
United Airlines
Denver — Los Angeles
56m stop
12:41 — 13:40
UA5216
United Airlines
Los Angeles — San Diego
|
4h 25m including layover |
Find flight
from$94 |
|
11:34 — 10:24
+1 day
|
09:40 — 11:26
F94721
Frontier Airlines
Denver — Salt Lake City
20h 20m stop
09:29 — 10:26
F91901
Frontier Airlines
Salt Lake City — San Diego
|
23h 50m including layover |
Find flight
from$68 |
|
12:05 — 18:37
|
09:44 — 10:51
F91993
Frontier Airlines
Denver — Las Vegas
4h 6m stop
17:01 — 18:26
F91465
Frontier Airlines
Las Vegas — San Diego
|
7h 32m including layover |
Find flight
from$72 |
|
12:05 — 11:37
+1 day
|
09:44 — 10:51
F91993
Frontier Airlines
Denver — Las Vegas
21h 2m stop
10:35 — 11:56
F91469
Frontier Airlines
Las Vegas — San Diego
|
24h 32m including layover |
Find flight
from$72 |
|
13:30 — 18:23
|
13:26 — 15:10
UA1812
United Airlines
Denver — San Francisco
1h 33m stop
16:45 — 18:25
UA1434
United Airlines
San Francisco — San Diego
|
5h 53m including layover |
Find flight
from$93 |
|
14:37 — 18:37
|
13:20 — 14:31
F92349
Frontier Airlines
Denver — Las Vegas
1h 28m stop
17:52 — 19:10
F91465
Frontier Airlines
Las Vegas — San Diego
|
5h including layover |
Find flight
from$63 |
|
14:37 — 11:37
+1 day
|
13:33 — 14:39
F92349
Frontier Airlines
Denver — Las Vegas
18h 24m stop
10:35 — 11:56
F91469
Frontier Airlines
Las Vegas — San Diego
|
22h including layover |
Find flight
from$72 |
|
16:00 — 22:28
|
16:00 — 17:43
UA2633
United Airlines
Denver — San Francisco
3h 10m stop
21:08 — 22:42
UA1074
United Airlines
San Francisco — San Diego
|
7h 28m including layover |
Find flight
from$93 |
|
17:46 — 17:57
+1 day
|
17:46 — 18:55
F94967
Frontier Airlines
Denver — Las Vegas
21h 37m stop
16:32 — 17:57
F91325
Frontier Airlines
Las Vegas — San Diego
|
25h 11m including layover |
Find flight
from$79 |
|
17:51 — 11:55
+1 day
|
17:46 — 18:55
F94967
Frontier Airlines
Denver — Las Vegas
15h 39m stop
10:35 — 11:56
F91469
Frontier Airlines
Las Vegas — San Diego
|
19h 4m including layover |
Find flight
from$70 |
|
18:10 — 18:19
+1 day
|
17:41 — 18:50
F94967
Frontier Airlines
Denver — Las Vegas
21h 41m stop
17:01 — 18:26
F91465
Frontier Airlines
Las Vegas — San Diego
|
25h 9m including layover |
Find flight
from$64 |
|
20:22 — 09:13
+1 day
|
20:31 — 00:10
F93172
Frontier Airlines
Denver — Chicago
6h 58m stop
13:39 — 15:59
F91855
Frontier Airlines
Chicago — San Diego
|
13h 51m including layover |
Find flight
from$68 |
|
20:31 — 15:59
+1 day
|
20:21 — 23:59
F93174
Frontier Airlines
Denver — Chicago
13h 29m stop
13:56 — 16:08
F91855
Frontier Airlines
Chicago — San Diego
|
20h 28m including layover |
Find flight
from$68 |
|
21:36 — 12:15
+1 day
|
21:36 — 23:34
F91093
Frontier Airlines
Denver — San Francisco
11h 3m stop
10:37 — 12:15
F94306
Frontier Airlines
San Francisco — San Diego
|
15h 39m including layover |
Find flight
from$75 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Denver to San Diego depends on and how to choose the most interesting flight option for you.
Distance between Denver and San Diego is 1371 miles. Time difference between the cities is 1h. Airplanes depart 05:02 to 23:59 from 2 Denver airports and arrive 05:02 to 23:59 to 11 San Diego airports. Average flight time is 2h 24m.
- The fastest flight 2h 21m
- Average flight time 2h 24m
- The earliest flight 05:02
- The latest flight 23:59
- Distance 852 ml
The cheapest months to travel to San Diego are february (from 37 $), may (from 37 $), january (from 51 $).
The most expensive months are november (from 117 $), december (from 83 $), july (from 81 $).
What is the lowest airfare Denver to San Diego?
The cheapest plane ticket found by our users is $27. This airfare is for economy class on one-way F92421 flight by Frontier Airlines for May 31, 2025 which leaves Denver International in Denver at 22:29 am and arrives at San Diego San Diego at 23:59.
Popular Airlines on the Route
The flight Denver — San Diego is served by 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 40 departures per week at the price of from $ 27 . And the most expensive tickets are offered by United Airlines airline - from $ 609.
Direct flights
There are 19 nonstop flights on the route. The fastest direct flight is F92711 by Frontier Airlines takes 2h 21m and the cheapest is F92421 by Frontier Airlines for $27.
- from $27Find
- from $82Find
- AS - Alaska Airlinesfrom $63Find
- HA - Hawaiian Airlinesfrom $60Find
Connecting Flights
There are 287 flights with layovers on the route. The fastest connecting flight is F93861 by Frontier Airlines takes 4h 24m and the cheapest is F92421 by Frontier Airlines for $63.
- from $63Find
- from $93Find
- AS - Alaska Airlinesfrom $87Find
- SY - Sun Country Airlinesfrom $120Find
- HA - Hawaiian Airlinesfrom $80Find
- MX - Mexicanafrom $408Find
- G4 - Allegiant Airfrom $126Find
Airports
You can fly from Denver to San Diego from 2 airports (Denver International, Arapahoe Co).
Denver airports
- Denver International-DENfrom $27Find
- Arapahoe Co-APAFind
San Diego airports
- San Diego-SANFind
- San Diego Regional-USAFind
- Gillespie Field-SEEFind
- Golden Triangle Reg.-GTRFind
- El Cajon-CJNFind
- Lowndes County-UBSFind
- Miramar NAS-NKXFind
- Montgomery Field-MYFFind
- North Island NAS-NZYFind
- Brown Field Municipal-SDMFind
- AFB-CBMFind
Airplanes
There are flights to San Diego from Denver by 7 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.
- Boeing 737-900from $82Find
Top Domestic Destinations from Denver
You may also consider searching for discounted plane tickets to some other popular places from Denver within United States.
- from $70Find
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- from $68Find
- from $57Find
- from $17Find
- from $67Find
Top International Destinations from Denver
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $66Find
- from $63Find
- from $75Find
- from $60Find
- from $60Find
- from $75Find
- from $66Find
- from $68Find
- from $69Find
- from $72Find
How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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