Frontier Airlines Denver to San Diego Flights

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Cheapflightsplus.com will find cheap Frontier Airlines flights from Denver to San Diego. Compare airline ticket prices and book air tickets starting from $27 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Frontier Airlines, arrivals and departure details below.

Find Cheap Airfare Denver (CO) — San Diego (CA) by Frontier Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in july: one-way - $27, two-way – $46.

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Cheap Flights from Denver to San Diego by Frontier Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by Frontier Airlines, their prices start from $27. The fastest nonstop flight takes 2h 21m. The fastest connecting flight — 4h 24m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $27 Find flight	10:29 pm Denver Denver International	11:59 pm San Diego San Diego	2h 30m	Frontier Airlines	F92421
from $46 Find flight	9:44 am Denver Denver International	11:10 am San Diego San Diego	2h 26m	Frontier Airlines	F92817
from $55 Find flight	10:29 pm Denver Denver International	11:50 pm San Diego San Diego	2h 21m	Frontier Airlines	F92711
from $66 Find flight	6:10 pm Denver Denver International	7:39 pm San Diego San Diego	2h 29m	Frontier Airlines	F94989
from $63 Find flight	2:37 pm Denver Denver International	6:37 pm San Diego San Diego	5h 0m layover 1h 28m - Las Vegas	Frontier Airlines	F92349 F91465
from $63 Find flight	7:00 am Denver Denver International	11:17 am San Diego San Diego	5h 17m layover 0h 50m - San Francisco	Frontier Airlines	F91229 F94306
from $64 Find flight	7:00 am Denver Denver International	10:24 am San Diego San Diego	4h 24m layover 0h 57m - Salt Lake City	Frontier Airlines	F93861 F91901
from $64 Find flight	9:10 am Denver Denver International	3:11 pm San Diego San Diego	7h 1m layover 3h 33m - Phoenix	Frontier Airlines	F91375 F92083
from $65 Find flight	6:10 pm Denver Denver International	6:19 pm+1 день San Diego San Diego	25h 9m layover 21h 41m - Las Vegas	Frontier Airlines	F94967 F91465
from $69 Find flight	8:31 pm Denver Denver International	3:59 pm+1 день San Diego San Diego	20h 28m layover 13h 29m - Chicago	Frontier Airlines	F93174 F91855
from $69 Find flight	8:22 pm Denver Denver International	9:13 am+1 день San Diego San Diego	13h 51m layover 6h 58m - Chicago	Frontier Airlines	F93172 F91855
from $69 Find flight	10:44 pm Denver Denver International	9:28 am+1 день San Diego San Diego	11h 44m layover 8h 16m - Salt Lake City	Frontier Airlines	F94251 F91901
from $69 Find flight	6:01 am Denver Denver International	6:07 pm San Diego San Diego	13h 6m layover 7h 41m - Dallas	Frontier Airlines	F91324 F91425
from $69 Find flight	11:34 am Denver Denver International	10:24 am+1 день San Diego San Diego	23h 50m layover 20h 20m - Salt Lake City	Frontier Airlines	F94721 F91901
from $75 Find flight	8:45 pm Denver Denver International	9:25 am+1 день San Diego San Diego	13h 40m layover 10h 10m - Salt Lake City	Frontier Airlines	F93981 F91901
from $76 Find flight	10:29 pm Denver Denver International	7:44 am+1 день San Diego San Diego	10h 15m layover 7h 3m - Phoenix	Frontier Airlines	F94753 F91571

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 06/23/2025

Frontier Airlines Flight Schedule Denver to San Diego

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
10:29 pm — 11:59 pm	10:29 pm — 11:59 pm F92421 Frontier Airlines Denver — San Diego	2h 30m	Find flight from$27
10:29 pm — 11:50 pm	10:29 pm — 11:50 pm F92711 Frontier Airlines Denver — San Diego	2h 21m	Find flight from$55
6:10 pm — 7:39 pm	6:10 pm — 7:39 pm F94989 Frontier Airlines Denver — San Diego	2h 29m	Find flight from$66
9:44 am — 11:10 am	9:44 am — 11:10 am F92817 Frontier Airlines Denver — San Diego	2h 26m	Find flight from$46
11:34 am — 10:24 am +1 day	9:40 am — 11:26 am F94721 Frontier Airlines Denver — Salt Lake City 20h 20m stop 9:29 am — 10:26 am F91901 Frontier Airlines Salt Lake City — San Diego	23h 50m including layover	Find flight from$69
12:05 pm — 6:37 pm	9:44 am — 10:51 am F91993 Frontier Airlines Denver — Las Vegas 4h 6m stop 5:01 pm — 6:26 pm F91465 Frontier Airlines Las Vegas — San Diego	7h 32m including layover	Find flight from$88
12:05 pm — 11:37 am +1 day	9:44 am — 10:51 am F91993 Frontier Airlines Denver — Las Vegas 21h 2m stop 10:35 am — 11:56 am F91469 Frontier Airlines Las Vegas — San Diego	24h 32m including layover	Find flight from$104
2:37 pm — 6:37 pm	1:20 pm — 2:31 pm F92349 Frontier Airlines Denver — Las Vegas 1h 28m stop 5:52 pm — 7:10 pm F91465 Frontier Airlines Las Vegas — San Diego	5h including layover	Find flight from$63
2:37 pm — 11:37 am +1 day	1:33 pm — 2:39 pm F92349 Frontier Airlines Denver — Las Vegas 18h 24m stop 10:35 am — 11:56 am F91469 Frontier Airlines Las Vegas — San Diego	22h including layover	Find flight from$102
6:10 pm — 6:19 pm +1 day	5:41 pm — 6:50 pm F94967 Frontier Airlines Denver — Las Vegas 21h 41m stop 5:01 pm — 6:26 pm F91465 Frontier Airlines Las Vegas — San Diego	25h 9m including layover	Find flight from$65
7:00 am — 11:17 am	10:51 am — 12:50 pm F91229 Frontier Airlines Denver — San Francisco 50m stop 8:04 am — 9:45 am F94306 Frontier Airlines San Francisco — San Diego	5h 17m including layover	Find flight from$63
7:00 am — 10:24 am	4:00 pm — 5:39 pm F93861 Frontier Airlines Denver — Salt Lake City 57m stop 9:29 am — 10:26 am F91901 Frontier Airlines Salt Lake City — San Diego	4h 24m including layover	Find flight from$64
8:22 pm — 9:13 am +1 day	8:31 pm — 0:10 am F93172 Frontier Airlines Denver — Chicago 6h 58m stop 1:39 pm — 3:59 pm F91855 Frontier Airlines Chicago — San Diego	13h 51m including layover	Find flight from$69
8:31 pm — 3:59 pm +1 day	8:21 pm — 11:59 pm F93174 Frontier Airlines Denver — Chicago 13h 29m stop 1:56 pm — 4:08 pm F91855 Frontier Airlines Chicago — San Diego	20h 28m including layover	Find flight from$69
9:10 am — 3:11 pm	7:30 am — 8:34 am F91375 Frontier Airlines Denver — Phoenix 3h 33m stop 3:05 pm — 4:22 pm F92083 Frontier Airlines Phoenix — San Diego	7h 1m including layover	Find flight from$64

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

*Departure and arrival times are local. Last updated on 06/23/2025

Flight Information

There are 4 flights by Frontier Airlines from Denver to San Diego every week with departures from Denver International and Arapahoe Co. All flights arrive at San Diego, AFB, Golden Triangle Reg., Lowndes County, San Diego Regional, El Cajon, Montgomery Field, Miramar NAS, North Island NAS, Brown Field Municipal, Gillespie Field.

Departures start from 10:18 am to 9:44 am. Nonstop flight is 2h 21m. The time difference between Denver and San Diego is 1h.

The fastest flight 2h 21m
Average flight time 2h 28m
The earliest flight 10:18 am
The latest flight 9:44 am
Distance 852 ml

The cheapest months for traveling to San Diego are february (from 37 $), january (from 52 $), may (from 60 $).

The most expensive and popular months are october (from 99 $), december (from 84 $), july (from 82 $).

The cheapest flight by Frontier Airlines that our users were able to find is $27. This airfare is economy class on one-way F92421 flight for June 28, 2025 leaving Denver International in Denver at 10:29 pm, it includes all taxes and additional fees.

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Frontier Airlines Airplanes on the Route

List of the most popular Frontier Airlines airplanes flying from Denver to San Diego:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 6 airline carriers between Denver and San Diego. Please review schedules and prices from the most popular airlines to find the best airfare deals from Denver to San Diego.

Nonstop flights

There are 18 direct flights every day from Denver. Airlines and fares are below:

UA - United Airlines

from $83

Find
AS - Alaska Airlines

from $63

Find
HA - Hawaiian Airlines

from $60

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

UA - United Airlines

from $94

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AS - Alaska Airlines

from $88

Find
SY - Sun Country Airlines

from $122

Find
HA - Hawaiian Airlines

from $81

Find
MX - Mexicana

from $414

Find
G4 - Allegiant Air

from $138

Find

See more connecting flights

How to book an air ticket yourself?

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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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