Frontier Airlines San Diego to Denver Flights

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Cheapflightsplus.com will find cheap Frontier Airlines flights from San Diego to Denver. Compare airline ticket prices and book air tickets starting from $33 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 San Diego (CA) — Denver (CO) 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 march: one-way - $33, two-way – $57.

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Cheap Flights from San Diego to Denver 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 $33. The fastest nonstop flight takes 2h 26m. The fastest connecting flight — 4h 14m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $33 Find flight	6:25 am San Diego San Diego	9:56 am Denver Denver International	2h 31m	Frontier Airlines	F92712
from $35 Find flight	3:38 pm San Diego San Diego	7:04 pm Denver Denver International	2h 26m	Frontier Airlines	F94990
from $35 Find flight	11:58 am San Diego San Diego	3:24 pm Denver Denver International	2h 26m	Frontier Airlines	F94928
from $47 Find flight	6:25 am San Diego San Diego	9:56 am Denver Denver International	2h 31m	Frontier Airlines	F92818
from $56 Find flight	1:41 pm San Diego San Diego	7:21 pm Denver Denver International	4h 40m layover 1h 14m - Phoenix	Frontier Airlines	F92084 F92106
from $56 Find flight	10:35 am San Diego San Diego	6:40 pm Denver Denver International	7h 5m layover 3h 35m - Las Vegas	Frontier Airlines	F91326 F92430
from $56 Find flight	6:06 pm San Diego San Diego	11:56 pm Denver Denver International	4h 50m layover 1h 28m - Phoenix	Frontier Airlines	F92888 F92142
from $59 Find flight	8:42 am San Diego San Diego	2:55 pm Denver Denver International	5h 13m layover 2h 3m - Phoenix	Frontier Airlines	F91572 F92106
from $59 Find flight	11:06 am San Diego San Diego	4:20 pm Denver Denver International	4h 14m layover 0h 55m - Phoenix	Frontier Airlines	F91572 F92052
from $59 Find flight	11:25 am San Diego San Diego	5:26 pm Denver Denver International	5h 1m layover 0h 44m - San Francisco	Frontier Airlines	F93381 F91094
from $62 Find flight	8:41 pm San Diego San Diego	10:04 pm+1 день Denver Denver International	24h 23m layover 20h 40m - Las Vegas	Frontier Airlines	F91470 F94612
from $62 Find flight	8:51 pm San Diego San Diego	7:51 am+1 день Denver Denver International	10h 0m layover 6h 47m - Phoenix	Frontier Airlines	F92888 F91376
from $62 Find flight	7:38 pm San Diego San Diego	11:48 pm+1 день Denver Denver International	27h 10m layover 23h 40m - Las Vegas	Frontier Airlines	F91466 F94612
from $62 Find flight	11:06 am San Diego San Diego	10:02 pm Denver Denver International	9h 56m layover 6h 39m - Phoenix	Frontier Airlines	F91572 F92142
from $65 Find flight	8:18 pm San Diego San Diego	9:40 am+1 день Denver Denver International	12h 22m layover 8h 4m - San Francisco	Frontier Airlines	F94305 F91230
from $77 Find flight	9:48 pm San Diego San Diego	10:03 am+1 день Denver Denver International	11h 15m layover 7h 58m - Phoenix	Frontier Airlines	F93168 F94768

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 03/12/2025

Frontier Airlines Flight Schedule San Diego to Denver

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
11:58 am — 3:24 pm	11:58 am — 3:24 pm F94928 Frontier Airlines San Diego — Denver	2h 26m	Find flight from$35
3:38 pm — 7:04 pm	3:38 pm — 7:04 pm F94990 Frontier Airlines San Diego — Denver	2h 26m	Find flight from$35
6:25 am — 9:56 am	6:25 am — 9:56 am F92712 Frontier Airlines San Diego — Denver	2h 31m	Find flight from$33
6:25 am — 9:56 am	6:25 am — 9:56 am F92818 Frontier Airlines San Diego — Denver	2h 31m	Find flight from$47
10:35 am — 6:40 pm	1:31 pm — 2:57 pm F91326 Frontier Airlines San Diego — Las Vegas 3h 35m stop 0:59 am — 3:59 am F92430 Frontier Airlines Las Vegas — Denver	7h 5m including layover	Find flight from$56
10:35 am — 5:07 pm	1:31 pm — 2:57 pm F91326 Frontier Airlines San Diego — Las Vegas 2h 5m stop 5:46 pm — 8:51 pm F93844 Frontier Airlines Las Vegas — Denver	5h 32m including layover	Find flight from$136
11:06 am — 4:20 pm	11:06 am — 1:29 pm F91572 Frontier Airlines San Diego — Phoenix 55m stop 2:24 pm — 4:20 pm F92052 Frontier Airlines Phoenix — Denver	4h 14m including layover	Find flight from$59
1:41 pm — 7:21 pm	1:41 pm — 4:09 pm F92084 Frontier Airlines San Diego — Phoenix 1h 14m stop 5:23 pm — 7:21 pm F92106 Frontier Airlines Phoenix — Denver	4h 40m including layover	Find flight from$56
1:52 pm — 7:15 pm	1:13 pm — 3:35 pm F94578 Frontier Airlines San Diego — Phoenix 1h 7m stop 5:26 pm — 7:17 pm F94766 Frontier Airlines Phoenix — Denver	4h 23m including layover	Find flight from$64
2:57 pm — 0:34 am +1 day	2:57 pm — 8:01 pm F92928 Frontier Airlines San Diego — Dallas 3h 9m stop 11:10 pm — 0:34 am F94463 Frontier Airlines Dallas — Denver	8h 37m including layover	Find flight from$77
3:38 pm — 9:42 am +1 day	11:25 am — 1:06 pm F93381 Frontier Airlines San Diego — San Francisco 12h 41m stop 6:00 am — 9:42 am F91230 Frontier Airlines San Francisco — Denver	17h 4m including layover	Find flight from$139
7:38 pm — 11:48 pm +1 day	7:38 pm — 9:04 pm F91466 Frontier Airlines San Diego — Las Vegas 23h 40m stop 8:44 pm — 11:48 pm F94612 Frontier Airlines Las Vegas — Denver	27h 10m including layover	Find flight from$62
7:38 pm — 3:59 am +1 day	7:38 pm — 9:04 pm F91466 Frontier Airlines San Diego — Las Vegas 3h 55m stop 0:59 am — 3:59 am F92430 Frontier Airlines Las Vegas — Denver	7h 21m including layover	Find flight from$64
8:41 pm — 10:04 pm +1 day	9:38 pm — 11:05 pm F91470 Frontier Airlines San Diego — Las Vegas 20h 40m stop 8:44 pm — 11:48 pm F94612 Frontier Airlines Las Vegas — Denver	24h 23m including layover	Find flight from$62
8:42 am — 2:55 pm	11:06 am — 1:29 pm F91572 Frontier Airlines San Diego — Phoenix 2h 3m stop 5:14 pm — 7:05 pm F92106 Frontier Airlines Phoenix — Denver	5h 13m including layover	Find flight from$59
9:38 pm — 3:59 am +1 day	9:38 pm — 11:05 pm F91470 Frontier Airlines San Diego — Las Vegas 1h 54m stop 0:59 am — 3:59 am F92430 Frontier Airlines Las Vegas — Denver	5h 21m including layover	Find flight from$64
9:48 pm — 10:03 am +1 day	9:48 pm — 0:12 am F93168 Frontier Airlines San Diego — Phoenix 7h 58m stop 8:10 am — 10:03 am F94768 Frontier Airlines Phoenix — Denver	11h 15m including layover	Find flight from$77

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

*Departure and arrival times are local. Last updated on 03/12/2025

Flight Information

There are 4 flights by Frontier Airlines from San Diego to Denver every week with departures from 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. All flights arrive at Denver International and Arapahoe Co.

Departures start from 10:35 am to 9:48 pm. Nonstop flight is 2h 26m. The time difference between San Diego and Denver is 1h.

The fastest flight 2h 26m
Average flight time 2h 29m
The earliest flight 10:35 am
The latest flight 9:48 pm
Distance 852 ml

The cheapest months for traveling to Denver are february (from 33 $), december (from 35 $), january (from 47 $).

The most expensive and popular months are november (from 54 $), january (from 47 $), december (from 35 $).

The cheapest flight by Frontier Airlines that our users were able to find is $33. This airfare is economy class on one-way F92712 flight for February 1, 2025 leaving San Diego in San Diego at 6:25 am, 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 San Diego to Denver:

Other Popular Airlines on the Route

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

Nonstop flights

There are 14 direct flights every day from San Diego. Airlines and fares are below:

UA - United Airlines

from $113

Find

See more direct flights

Connecting Flights

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

UA - United Airlines

from $141

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AS - Alaska Airlines

from $142

Find
SY - Sun Country Airlines

from $125

Find
WS - WestJet

from $523

Find
AM - Aeromexico

from $653

Find
NK - Spirit Airlines

from $218

Find

See more connecting flights

How to book an air ticket yourself?

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