Frontier Airlines San Antonio to Ontario Flights

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Cheapflightsplus.com will find cheap Frontier Airlines flights from San Antonio to Ontario. Compare airline ticket prices and book air tickets starting from $52 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 Antonio (TX) — 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 march: one-way - $52, two-way – $89.

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Cheap Flights from San Antonio to Ontario by Frontier Airlines

Look at the list of plane tickets for the most connecting flights by Frontier Airlines, their prices start from $52. There’re no direct flights. The fastest connecting flight – 4h 49m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $52 Find flight	8:20 pm San Antonio San Antonio	3:02 pm+1 день Ontario Ontario Int.	20h 42m layover 16h 25m - Las Vegas	Frontier Airlines	F93417 F92231
from $52 Find flight	3:31 pm San Antonio San Antonio	11:59 pm Ontario Ontario Int.	10h 28m layover 5h 33m - Denver	Frontier Airlines	F92355 F91499
from $54 Find flight	11:22 am San Antonio San Antonio	3:16 pm Ontario Ontario Int.	5h 54m layover 1h 7m - Denver	Frontier Airlines	F92355 F91261
from $180 Find flight	12:19 pm San Antonio San Antonio	3:08 pm Ontario Ontario Int.	4h 49m layover 0h 40m - Las Vegas	Frontier Airlines	F92067 F92231
from $184 Find flight	11:22 am San Antonio San Antonio	10:11 am+1 день Ontario Ontario Int.	24h 49m layover 20h 2m - Denver	Frontier Airlines	F91945 F91261
from $185 Find flight	11:22 am San Antonio San Antonio	11:43 pm Ontario Ontario Int.	14h 21m layover 9h 34m - Denver	Frontier Airlines	F91945 F91499
from $196 Find flight	1:02 pm San Antonio San Antonio	5:34 pm Ontario Ontario Int.	6h 32m layover 1h 39m - Denver	Frontier Airlines	F92355 F92907

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025

Frontier Airlines Flight Schedule San Antonio 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
10:38 pm — 5:46 pm +1 day	6:48 pm — 7:48 pm F93417 Frontier Airlines San Antonio — Las Vegas 16h 58m stop 4:35 pm — 5:42 pm F94205 Frontier Airlines Las Vegas — Ontario	21h 8m including layover	Find flight from$52
10:38 pm — 7:08 am +1 day	6:48 pm — 7:48 pm F93417 Frontier Airlines San Antonio — Las Vegas 6h 19m stop 6:00 am — 7:08 am F91283 Frontier Airlines Las Vegas — Ontario	10h 30m including layover	Find flight from$52
10:45 pm — 12:59 pm +1 day	6:46 pm — 7:46 pm F93417 Frontier Airlines San Antonio — Las Vegas 12h 1m stop 4:44 pm — 5:51 pm F91357 Frontier Airlines Las Vegas — Ontario	16h 14m including layover	Find flight from$52
10:45 pm — 4:06 pm +1 day	10:45 pm — 11:48 pm F93417 Frontier Airlines San Antonio — Las Vegas 15h 10m stop 2:58 pm — 4:06 pm F91969 Frontier Airlines Las Vegas — Ontario	19h 21m including layover	Find flight from$137
11:22 am — 3:16 pm	11:32 am — 12:53 pm F92355 Frontier Airlines San Antonio — Denver 1h 7m stop 6:00 am — 7:31 am F91261 Frontier Airlines Denver — Ontario	5h 54m including layover	Find flight from$54
11:22 am — 10:11 am +1 day	11:22 am — 12:43 pm F91945 Frontier Airlines San Antonio — Denver 20h 2m stop 8:45 am — 10:11 am F91261 Frontier Airlines Denver — Ontario	24h 49m including layover	Find flight from$184
11:22 am — 11:43 pm	11:22 am — 12:43 pm F91945 Frontier Airlines San Antonio — Denver 9h 34m stop 10:17 pm — 11:43 pm F91499 Frontier Airlines Denver — Ontario	14h 21m including layover	Find flight from$185
12:19 pm — 3:08 pm	12:19 pm — 1:18 pm F92067 Frontier Airlines San Antonio — Las Vegas 40m stop 1:58 pm — 3:08 pm F92231 Frontier Airlines Las Vegas — Ontario	4h 49m including layover	Find flight from$180
12:19 pm — 5:42 pm	12:19 pm — 1:18 pm F92067 Frontier Airlines San Antonio — Las Vegas 3h 17m stop 4:35 pm — 5:42 pm F94205 Frontier Airlines Las Vegas — Ontario	7h 23m including layover	Find flight from$180
12:19 pm — 2:05 pm +1 day	12:19 pm — 1:18 pm F92067 Frontier Airlines San Antonio — Las Vegas 23h 37m stop 12:55 pm — 2:05 pm F91357 Frontier Airlines Las Vegas — Ontario	27h 46m including layover	Find flight from$185
12:19 pm — 7:08 am +1 day	12:19 pm — 1:18 pm F92067 Frontier Airlines San Antonio — Las Vegas 16h 42m stop 6:00 am — 7:08 am F91283 Frontier Airlines Las Vegas — Ontario	20h 49m including layover	Find flight from$186
12:19 pm — 9:09 am +1 day	12:19 pm — 1:18 pm F92067 Frontier Airlines San Antonio — Las Vegas 18h 47m stop 8:05 am — 9:09 am F94757 Frontier Airlines Las Vegas — Ontario	22h 50m including layover	Find flight from$186
1:02 pm — 5:34 pm	1:02 pm — 2:25 pm F92355 Frontier Airlines San Antonio — Denver 1h 39m stop 4:04 pm — 5:34 pm F92907 Frontier Airlines Denver — Ontario	6h 32m including layover	Find flight from$196
3:31 pm — 11:59 pm	11:32 am — 12:53 pm F92355 Frontier Airlines San Antonio — Denver 5h 33m stop 10:38 pm — 0:04 am F91499 Frontier Airlines Denver — Ontario	10h 28m including layover	Find flight from$52
6:48 pm — 12:59 pm +1 day	6:48 pm — 7:48 pm F93417 Frontier Airlines San Antonio — Las Vegas 16h 1m stop 11:49 am — 12:59 pm F92061 Frontier Airlines Las Vegas — Ontario	20h 11m including layover	Find flight from$52
8:20 pm — 3:02 pm +1 day	6:48 pm — 7:48 pm F93417 Frontier Airlines San Antonio — Las Vegas 16h 25m stop 1:58 pm — 3:08 pm F92231 Frontier Airlines Las Vegas — Ontario	20h 42m including layover	Find flight from$52
8:30 pm — 7:14 am +1 day	6:46 pm — 7:46 pm F93417 Frontier Airlines San Antonio — Las Vegas 8h 29m stop 7:20 am — 8:23 am F94757 Frontier Airlines Las Vegas — Ontario	12h 44m including layover	Find flight from$52

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

*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 18 flights by Frontier Airlines from San Antonio to Ontario every week with departures from San Antonio, Kelly AFB, Stinson Municipal, Randolph AFB, Martindale AAF. All flights arrive at Ontario Int. and International Heliport.

Departures start from 10:38 pm to 8:30 pm. Nonstop flight is 4h 49m. The time difference between San Antonio and Ontario is 2h.

The fastest flight 4h 49m
Average flight time 16h 14m
The earliest flight 10:38 pm
The latest flight 8:30 pm
Distance 1164 ml

The cheapest months for traveling to Ontario are november (from 52 $), december (from 58 $), january (from 80 $).

The cheapest flight by Frontier Airlines that our users were able to find is $52. This airfare is economy class on one-way F93417 flight for January 12, 2025 leaving San Antonio in San Antonio at 8:20 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 San Antonio to Ontario:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 3 airline carriers between San Antonio and Ontario. Please review schedules and prices from the most popular airlines to find the best airfare deals from San Antonio to Ontario.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

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Connecting Flights

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

Y4 - Volaris

from $269

Find
UA - United Airlines

from $216

Find
VB - VivaAerobus

from $322

Find

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