Frontier Airlines Denver to Ontario Flights

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Cheapflightsplus.com will find cheap Frontier Airlines flights from Denver to Ontario. Compare airline ticket prices and book air tickets starting from $43 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) — Ontario (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 january: one-way - $43, two-way – $74.

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Cheap Flights from Denver to Ontario 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 $43. The fastest nonstop flight takes 2h 19m. The fastest connecting flight — 4h 36m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $43 Find flight	10:20 pm Denver Denver International	11:39 pm Ontario Ontario Int.	2h 19m	Frontier Airlines	F91499
from $43 Find flight	6:15 pm Denver Denver International	7:37 pm Ontario Ontario Int.	2h 22m	Frontier Airlines	F92907
from $48 Find flight	2:00 pm Denver Denver International	5:36 pm Ontario Ontario Int.	4h 36m layover 1h 18m - Las Vegas	Frontier Airlines	F92349 F92231
from $54 Find flight	7:39 pm Denver Denver International	7:11 am+1 день Ontario Ontario Int.	12h 32m layover 9h 17m - Las Vegas	Frontier Airlines	F94967 F94757
from $54 Find flight	7:00 am Denver Denver International	3:02 pm Ontario Ontario Int.	9h 2m layover 5h 37m - Las Vegas	Frontier Airlines	F9777 F94205
from $54 Find flight	7:00 am Denver Denver International	7:09 pm Ontario Ontario Int.	13h 9m layover 9h 48m - Las Vegas	Frontier Airlines	F9777 F92231
from $55 Find flight	7:00 am Denver Denver International	11:43 am Ontario Ontario Int.	5h 43m layover 2h 22m - Las Vegas	Frontier Airlines	F9777 F94757
from $57 Find flight	10:41 pm Denver Denver International	7:06 am+1 день Ontario Ontario Int.	9h 25m layover 6h 9m - Las Vegas	Frontier Airlines	F94611 F91283
from $61 Find flight	10:15 pm Denver Denver International	6:06 pm+1 день Ontario Ontario Int.	20h 51m layover 17h 17m - Salt Lake City	Frontier Airlines	F94251 F93343
from $82 Find flight	10:16 pm Denver Denver International	6:36 am+1 день Ontario Ontario Int.	9h 20m layover 5h 17m - San Francisco	Frontier Airlines	F93439 F92678
from $82 Find flight	7:39 pm Denver Denver International	3:02 pm+1 день Ontario Ontario Int.	20h 23m layover 17h 3m - Las Vegas	Frontier Airlines	F94967 F94205
from $93 Find flight	10:00 am Denver Denver International	5:06 pm Ontario Ontario Int.	8h 6m layover 4h 45m - Salt Lake City	Frontier Airlines	F93981 F93343
from $93 Find flight	5:01 am Denver Denver International	5:06 pm Ontario Ontario Int.	13h 5m layover 9h 43m - Salt Lake City	Frontier Airlines	F93861 F93343
from $163 Find flight	7:39 pm Denver Denver International	7:59 pm+1 день Ontario Ontario Int.	25h 20m layover 22h 4m - Las Vegas	Frontier Airlines	F94967 F92233
from $216 Find flight	8:54 am Denver Denver International	3:58 pm Ontario Ontario Int.	8h 4m layover 4h 55m - Phoenix	Frontier Airlines	F91819 F91625
from $232 Find flight	9:00 am Denver Denver International	1:01 pm Ontario Ontario Int.	5h 1m layover 1h 53m - Las Vegas	Frontier Airlines	F92015 F91357

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 01/15/2025

Frontier Airlines Flight Schedule Denver to Ontario

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
10:00 am — 5:06 pm	8:08 am — 9:50 am F93981 Frontier Airlines Denver — Salt Lake City 4h 45m stop 5:15 pm — 6:06 pm F93343 Frontier Airlines Salt Lake City — Ontario	8h 6m including layover	Find flight from$93
10:15 pm — 6:06 pm +1 day	10:15 pm — 11:58 pm F94251 Frontier Airlines Denver — Salt Lake City 17h 17m stop 5:15 pm — 6:06 pm F93343 Frontier Airlines Salt Lake City — Ontario	20h 51m including layover	Find flight from$61
10:16 pm — 6:36 am +1 day	10:26 pm — 0:15 am F93439 Frontier Airlines Denver — San Francisco 5h 17m stop 8:05 am — 9:30 am F92678 Frontier Airlines San Francisco — Ontario	9h 20m including layover	Find flight from$82
10:20 pm — 11:39 pm	10:20 pm — 11:39 pm F91499 Frontier Airlines Denver — Ontario	2h 19m	Find flight from$43
10:41 pm — 7:06 am +1 day	10:41 pm — 11:54 pm F94611 Frontier Airlines Denver — Las Vegas 6h 9m stop 1:56 pm — 3:06 pm F91283 Frontier Airlines Las Vegas — Ontario	9h 25m including layover	Find flight from$57
10:41 pm — 2:44 pm +1 day	10:41 pm — 11:51 pm F94611 Frontier Airlines Denver — Las Vegas 13h 42m stop 1:51 pm — 3:02 pm F92231 Frontier Airlines Las Vegas — Ontario	17h 3m including layover	Find flight from$57
1:20 pm — 7:06 am +1 day	1:52 pm — 3:03 pm F92349 Frontier Airlines Denver — Las Vegas 15h 27m stop 1:56 pm — 3:06 pm F91283 Frontier Airlines Las Vegas — Ontario	18h 46m including layover	Find flight from$57
2:00 pm — 5:36 pm	1:20 pm — 2:33 pm F92349 Frontier Airlines Denver — Las Vegas 1h 18m stop 1:51 pm — 3:02 pm F92231 Frontier Airlines Las Vegas — Ontario	4h 36m including layover	Find flight from$48
5:01 am — 5:06 pm	5:01 am — 6:36 am F93861 Frontier Airlines Denver — Salt Lake City 9h 43m stop 4:19 pm — 5:06 pm F93343 Frontier Airlines Salt Lake City — Ontario	13h 5m including layover	Find flight from$93
6:15 pm — 7:37 pm	6:15 pm — 7:37 pm F92907 Frontier Airlines Denver — Ontario	2h 22m	Find flight from$43
7:00 am — 3:02 pm	7:00 am — 8:07 am F9777 Frontier Airlines Denver — Las Vegas 5h 37m stop 6:55 pm — 7:59 pm F94205 Frontier Airlines Las Vegas — Ontario	9h 2m including layover	Find flight from$54
7:00 am — 7:09 pm	7:00 am — 8:14 am F9777 Frontier Airlines Denver — Las Vegas 9h 48m stop 6:02 pm — 7:09 pm F92231 Frontier Airlines Las Vegas — Ontario	13h 9m including layover	Find flight from$54
7:00 am — 11:43 am	7:00 am — 8:07 am F9777 Frontier Airlines Denver — Las Vegas 2h 22m stop 6:05 am — 7:14 am F94757 Frontier Airlines Las Vegas — Ontario	5h 43m including layover	Find flight from$55
7:39 pm — 7:11 am +1 day	6:34 pm — 7:38 pm F94967 Frontier Airlines Denver — Las Vegas 9h 17m stop 7:30 am — 8:33 am F94757 Frontier Airlines Las Vegas — Ontario	12h 32m including layover	Find flight from$54
7:39 pm — 3:02 pm +1 day	6:33 pm — 7:37 pm F94967 Frontier Airlines Denver — Las Vegas 17h 3m stop 4:35 pm — 5:42 pm F94205 Frontier Airlines Las Vegas — Ontario	20h 23m including layover	Find flight from$82
7:39 pm — 7:59 pm +1 day	7:39 pm — 8:48 pm F94967 Frontier Airlines Denver — Las Vegas 22h 4m stop 6:52 pm — 7:59 pm F92233 Frontier Airlines Las Vegas — Ontario	25h 20m including layover	Find flight from$163
8:54 am — 3:58 pm	8:54 am — 10:50 am F91819 Frontier Airlines Denver — Phoenix 4h 55m stop 3:45 pm — 3:58 pm F91625 Frontier Airlines Phoenix — Ontario	8h 4m including layover	Find flight from$216
9:00 am — 1:01 pm	6:00 am — 7:09 am F92015 Frontier Airlines Denver — Las Vegas 1h 53m stop 4:44 pm — 5:51 pm F91357 Frontier Airlines Las Vegas — Ontario	5h 1m including layover	Find flight from$232
9:59 pm — 3:02 pm +1 day	7:31 pm — 8:41 pm F94611 Frontier Airlines Denver — Las Vegas 14h 39m stop 6:55 pm — 7:59 pm F94205 Frontier Airlines Las Vegas — Ontario	18h 3m including layover	Find flight from$82
9:59 pm — 7:59 pm +1 day	9:59 pm — 11:12 pm F94611 Frontier Airlines Denver — Las Vegas 19h 40m stop 6:52 pm — 7:59 pm F92233 Frontier Airlines Las Vegas — Ontario	23h including layover	Find flight from$163

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

*Departure and arrival times are local. Last updated on 01/15/2025

Flight Information

There are 2 flights by Frontier Airlines from Denver to Ontario every week with departures from Denver International and Arapahoe Co. All flights arrive at Ontario Int. and International Heliport.

Departures start from 10:00 am to 9:59 pm. Nonstop flight is 2h 19m. The time difference between Denver and Ontario is 1h.

The fastest flight 2h 19m
Average flight time 2h 21m
The earliest flight 10:00 am
The latest flight 9:59 pm
Distance 818 ml

The cheapest months for traveling to Ontario are november (from 29 $), february (from 43 $), january (from 55 $).

The most expensive and popular months are december (from 65 $), january (from 55 $), february (from 43 $).

The cheapest flight by Frontier Airlines that our users were able to find is $43. This airfare is economy class on one-way F91499 flight for February 21, 2025 leaving Denver International in Denver at 10:20 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 Ontario:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 4 airline carriers between Denver and Ontario. Please review schedules and prices from the most popular airlines to find the best airfare deals from Denver to Ontario.

Nonstop flights

There are 3 direct flights every day from Denver. Airlines and fares are below:

UA - United Airlines

from $133

Find

See more direct flights

Connecting Flights

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

AS - Alaska Airlines

from $159

Find
UA - United Airlines

from $121

Find
Y4 - Volaris

from $360

Find
AM - Aeromexico

from $363

Find

See more connecting flights

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