Cheap Flights from Denver, CO to San Diego, CA from $29

One way Round trip

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On Cheapflightsplus.com you will find 9 direct and 59 connecting flights from Denver to San Diego. You can compare airfare deals from 4 airlines and multiple travel sites from $29, 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

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $29 (one-way), $50 (round-trip).

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Best Flights from Denver to San Diego Today

Take a look at the list of non stop flights and flights with layovers from Denver to San Diego with the lowest price of $29. The fastest direct flight takes 2h 23m and the fastest connecting – 4h 32m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $29 Find flight	13:20 Denver Denver International	14:57 San Diego San Diego	2h 37m	Frontier Airlines	F92421
from $30 Find flight	22:15 Denver Denver International	23:52 San Diego San Diego	2h 37m	Frontier Airlines	F94993
from $54 Find flight	19:18 Denver Denver International	20:46 San Diego San Diego	2h 28m	United Airlines	UA540
from $67 Find flight	05:01 Denver Denver International	06:24 San Diego San Diego	2h 23m	Frontier Airlines	F92817
from $67 Find flight	11:57 Denver Denver International	13:21 San Diego San Diego	2h 24m	Frontier Airlines	F94927
from $67 Find flight	19:16 Denver Denver International	20:40 San Diego San Diego	2h 24m	Frontier Airlines	F94989
from $111 Find flight	21:00 Denver Denver International	22:30 San Diego San Diego	2h 30m	United Airlines	UA778
from $132 Find flight	21:05 Denver Denver International	22:40 San Diego San Diego	2h 35m	United Airlines	UA486
from $189 Find flight	11:34 Denver Denver International	13:11 San Diego San Diego	2h 37m	United Airlines	UA366
from $54 Find flight	22:15 Denver Denver International	09:42+1 день San Diego San Diego	12h 27m layover 7h 57m - San Francisco	Frontier Airlines	F93439 F94306
from $77 Find flight	07:16 Denver Denver International	14:07 San Diego San Diego	7h 51m layover 2h 48m - Dallas	Frontier Airlines	F94464 F91769
from $116 Find flight	10:15 Denver Denver International	14:49 San Diego San Diego	5h 34m layover 1h 6m - San Francisco	United Airlines	UA2041 UA2041
from $121 Find flight	06:00 Denver Denver International	09:32 San Diego San Diego	4h 32m layover 0h 48m - Los Angeles	United Airlines	UA1093 UA4643
from $121 Find flight	19:45 Denver Denver International	23:58 San Diego San Diego	5h 13m layover 1h 33m - Los Angeles	United Airlines	UA1368 UA5612
from $121 Find flight	21:59 Denver Denver International	19:18+1 день San Diego San Diego	22h 19m layover 18h 40m - Las Vegas	Frontier Airlines	F94611 F91325
from $121 Find flight	19:39 Denver Denver International	19:18+1 день San Diego San Diego	24h 39m layover 21h 4m - Las Vegas	Frontier Airlines	F94967 F91325

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on January 13, 2025

Flight Schedule Denver (Colorado) to San Diego (California)

Full flight schedule will help you in detecting at what time planes fly from Denver to San Diego. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
05:01 — 06:24	05:01 — 06:24 F92817 Frontier Airlines Denver — San Diego	2h 23m	Find flight from$67
11:34 — 13:11	11:34 — 13:11 UA366 United Airlines Denver — San Diego	2h 37m	Find flight from$189
11:57 — 13:21	11:57 — 13:21 F94927 Frontier Airlines Denver — San Diego	2h 24m	Find flight from$67
13:20 — 14:57	13:20 — 14:57 F92421 Frontier Airlines Denver — San Diego	2h 37m	Find flight from$29
19:16 — 20:40	19:16 — 20:40 F94989 Frontier Airlines Denver — San Diego	2h 24m	Find flight from$67
19:18 — 20:46	19:18 — 20:46 UA540 United Airlines Denver — San Diego	2h 28m	Find flight from$54
21:00 — 22:30	21:00 — 22:30 UA778 United Airlines Denver — San Diego	2h 30m	Find flight from$111
21:05 — 22:40	21:05 — 22:40 UA486 United Airlines Denver — San Diego	2h 35m	Find flight from$132
22:15 — 23:52	22:15 — 23:52 F94993 Frontier Airlines Denver — San Diego	2h 37m	Find flight from$30
06:00 — 09:32	06:00 — 07:34 UA1093 United Airlines Denver — Los Angeles 48m stop 08:45 — 09:48 UA4643 United Airlines Los Angeles — San Diego	4h 32m including layover	Find flight from$121
06:00 — 14:49	06:00 — 07:49 UA573 United Airlines Denver — San Francisco 5h 20m stop 13:25 — 15:02 UA2041 United Airlines San Francisco — San Diego	9h 49m including layover	Find flight from$221
07:00 — 12:46	06:00 — 08:06 AS643 Alaska Airlines Denver — Seattle 41m stop 09:08 — 11:57 AS1108 Alaska Airlines Seattle — San Diego	6h 46m including layover	Find flight from$132
07:16 — 14:07	08:11 — 11:15 F94464 Frontier Airlines Denver — Dallas 2h 48m stop 13:57 — 15:16 F91769 Frontier Airlines Dallas — San Diego	7h 51m including layover	Find flight from$77
08:54 — 13:09	09:43 — 11:48 F91819 Frontier Airlines Denver — Phoenix 2h 1m stop 13:45 — 14:05 F93167 Frontier Airlines Phoenix — San Diego	5h 15m including layover	Find flight from$211
09:00 — 10:05 +1 day	06:00 — 07:09 F92015 Frontier Airlines Denver — Las Vegas 22h 49m stop 07:00 — 08:14 F91469 Frontier Airlines Las Vegas — San Diego	26h 5m including layover	Find flight from$254
10:15 — 14:49	09:47 — 11:45 UA2041 United Airlines Denver — San Francisco 1h 6m stop 13:25 — 15:02 UA2041 United Airlines San Francisco — San Diego	5h 34m including layover	Find flight from$116
10:15 — 18:34	10:15 — 12:04 UA2041 United Airlines Denver — San Francisco 4h 51m stop 16:55 — 18:34 UA1057 United Airlines San Francisco — San Diego	9h 19m including layover	Find flight from$221
12:38 — 19:10	12:04 — 14:17 AS682 Alaska Airlines Denver — Seattle 1h 39m stop 16:30 — 19:12 AS1142 Alaska Airlines Seattle — San Diego	7h 32m including layover	Find flight from$161
12:38 — 21:14	12:04 — 14:17 AS682 Alaska Airlines Denver — Seattle 3h 42m stop 18:05 — 20:48 AS1098 Alaska Airlines Seattle — San Diego	9h 36m including layover	Find flight from$161
13:26 — 19:53	13:26 — 15:03 UA282 United Airlines Denver — Los Angeles 3h 47m stop 18:50 — 19:53 UA5415 United Airlines Los Angeles — San Diego	7h 27m including layover	Find flight from$141
14:27 — 20:05	14:27 — 16:29 AS6558 Alaska Airlines Denver — Phoenix 3h 19m stop 19:48 — 20:05 AS4295 Alaska Airlines Phoenix — San Diego	6h 38m including layover	Find flight from$202
14:27 — 20:05	14:27 — 16:29 AS6334 Alaska Airlines Denver — Phoenix 3h 19m stop 19:48 — 20:05 AS4295 Alaska Airlines Phoenix — San Diego	6h 38m including layover	Find flight from$202
15:59 — 00:14 +1 day	15:59 — 17:50 UA1300 United Airlines Denver — San Francisco 4h 45m stop 22:35 — 00:14 UA2201 United Airlines San Francisco — San Diego	9h 15m including layover	Find flight from$221
15:59 — 20:39	15:59 — 17:50 UA1300 United Airlines Denver — San Francisco 1h 10m stop 19:00 — 20:39 UA2633 United Airlines San Francisco — San Diego	5h 40m including layover	Find flight from$253
16:06 — 19:41	22:49 — 00:02 F9777 Frontier Airlines Denver — Las Vegas 1h 8m stop 17:52 — 19:10 F91465 Frontier Airlines Las Vegas — San Diego	4h 35m including layover	Find flight from$125
16:06 — 10:05 +1 day	16:06 — 17:20 F9777 Frontier Airlines Denver — Las Vegas 15h 28m stop 08:48 — 10:05 F91469 Frontier Airlines Las Vegas — San Diego	18h 59m including layover	Find flight from$130
17:08 — 22:37	16:45 — 18:50 AS615 Alaska Airlines Denver — Seattle 40m stop 19:50 — 22:33 AS1131 Alaska Airlines Seattle — San Diego	6h 29m including layover	Find flight from$161
17:50 — 23:58	17:40 — 19:14 UA2240 United Airlines Denver — Los Angeles 3h 27m stop 22:55 — 23:58 UA5612 United Airlines Los Angeles — San Diego	7h 8m including layover	Find flight from$168
21:59 — 19:18 +1 day	19:31 — 20:41 F94611 Frontier Airlines Denver — Las Vegas 18h 40m stop 17:52 — 19:10 F91325 Frontier Airlines Las Vegas — San Diego	22h 19m including layover	Find flight from$121
22:15 — 09:42 +1 day	22:26 — 00:15 F93439 Frontier Airlines Denver — San Francisco 7h 57m stop 08:45 — 10:25 F94306 Frontier Airlines San Francisco — San Diego	12h 27m including layover	Find flight from$54
23:27 — 08:15 +1 day	22:59 — 00:56 F94753 Frontier Airlines Denver — Phoenix 6h 37m stop 08:30 — 08:48 F92083 Frontier Airlines Phoenix — San Diego	9h 48m including layover	Find flight from$193
09:41 — 20:39	09:41 — 11:47 UA711 United Airlines Denver — Phoenix 4h 53m stop 16:40 — 17:55 UA2062 United Airlines Phoenix — San Francisco 1h 5m stop 19:00 — 20:39 UA2633 United Airlines San Francisco — San Diego	11h 58m including layover	Find flight from$202

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on January 13, 2025

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 05:01 to 23:27 from 2 Denver airports and arrive 05:01 to 23:27 to 11 San Diego airports. Average flight time is 2h 30m.

The fastest flight 2h 23m
Average flight time 2h 30m
The earliest flight 05:01
The latest flight 23:27
Distance 852 ml

The cheapest months to travel to San Diego are february (from 29 $), january (from 30 $), december (from 30 $).

The most expensive months are november (from 46 $), december (from 30 $), january (from 30 $).

What is the lowest airfare Denver to San Diego?

The cheapest plane ticket found by our users is $29. This airfare is for economy class on one-way F92421 flight by Frontier Airlines for February 1, 2025 which leaves Denver International in Denver at 13:20 am and arrives at San Diego San Diego at 14:57.

Economy class

$29

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Business class

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First class

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Popular Airlines on the Route

The flight Denver — San Diego is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 27 departures per week at the price of from $ 132 . And the most expensive tickets are offered by Aeromexico airline - from $ 816.

Direct flights

There are 9 nonstop flights on the route. The fastest direct flight is F92817 by Frontier Airlines takes 2h 23m and the cheapest is F92421 by Frontier Airlines for $29.

F9 - Frontier Airlines

from $29

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UA - United Airlines

from $54

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Connecting Flights

There are 59 flights with layovers on the route. The fastest connecting flight is UA1093 by United Airlines takes 4h 32m and the cheapest is F92421 by Frontier Airlines for $54.

AS - Alaska Airlines

from $132

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F9 - Frontier Airlines

from $54

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UA - United Airlines

from $116

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AM - Aeromexico

from $708

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Airports

You can fly from Denver to San Diego from 2 airports (Denver International, Arapahoe Co).

Denver airports

Denver International-DEN

from $29
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Arapahoe Co-APA

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San Diego airports

San Diego-SAN

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San Diego Regional-USA

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Gillespie Field-SEE

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Golden Triangle Reg.-GTR

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El Cajon-CJN

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Lowndes County-UBS

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Miramar NAS-NKX

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Montgomery Field-MYF

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North Island NAS-NZY

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Brown Field Municipal-SDM

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AFB-CBM

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Airplanes

There are flights to San Diego from Denver by 4 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

Boeing 737-900

from $54

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Top Domestic Destinations from Denver

You may also consider searching for discounted plane tickets to some other popular places from Denver within United States.

Denver — Chicago

from $66

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Denver — Phoenix

from $59

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Denver — Indianapolis

from $79

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Denver — Las Vegas

from $70

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Denver — Boston

from $68

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Denver — Tampa

from $57

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Denver — Omaha

from $64

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Denver — Houston

from $67

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Denver — Boise

from $77

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Denver — San Diego

from $78

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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.

Denver — London

from $63

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Denver — Paris

from $75

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Denver — Vancouver

from $60

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Denver — Cancun

from $66

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Denver — Birmingham

from $71

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Denver — Zurich

from $64

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Denver — Puerto Vallarta

from $56

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Denver — Athens

from $54

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Denver — Manchester

from $79

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Denver — Frankfurt

from $70

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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.
To find a plane ticket, please select dates.