Frontier Airlines Ontario to San Antonio Flights

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Cheapflightsplus.com will find cheap Frontier Airlines flights from Ontario to San Antonio. Compare airline ticket prices and book air tickets starting from $81 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 Ontario (CA) — San Antonio (TX) 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 - $81, two-way – $139.

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Cheap Flights from Ontario to San Antonio by Frontier Airlines

Look at the list of plane tickets for the most connecting flights by Frontier Airlines, their prices start from $81. There’re no direct flights. The fastest connecting flight – 5h 30m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $81 Find flight	0:49 am Ontario Ontario Int.	8:19 am San Antonio San Antonio	5h 30m layover 0h 56m - Denver	Frontier Airlines	F91500 F92356
from $87 Find flight	8:27 pm Ontario Ontario Int.	8:19 am+1 день San Antonio San Antonio	9h 52m layover 5h 7m - Denver	Frontier Airlines	F92908 F92356
from $198 Find flight	11:46 am Ontario Ontario Int.	7:30 pm San Antonio San Antonio	5h 44m layover 1h 52m - Las Vegas	Frontier Airlines	F92232 F93418
from $282 Find flight	10:39 pm Ontario Ontario Int.	2:41 pm+1 день San Antonio San Antonio	14h 2m layover 10h 1m - Las Vegas	Frontier Airlines	F94206 F93418

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 12/22/2024

Frontier Airlines Flight Schedule Ontario to San Antonio

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
0:49 am — 8:19 am	6:30 am — 9:54 am F91500 Frontier Airlines Ontario — Denver 56m stop 7:10 am — 10:29 am F92356 Frontier Airlines Denver — San Antonio	5h 30m including layover	Find flight from$81
0:59 am — 8:44 pm	0:59 am — 4:22 am F91500 Frontier Airlines Ontario — Denver 13h 8m stop 5:30 pm — 8:44 pm F92098 Frontier Airlines Denver — San Antonio	17h 45m including layover	Find flight from$97
10:39 pm — 2:41 pm +1 day	10:58 pm — 11:59 pm F94206 Frontier Airlines Ontario — Las Vegas 10h 1m stop 1:00 pm — 5:47 pm F93418 Frontier Airlines Las Vegas — San Antonio	14h 2m including layover	Find flight from$282
11:46 am — 7:30 pm	5:26 pm — 6:36 pm F92232 Frontier Airlines Ontario — Las Vegas 1h 52m stop 1:00 pm — 5:47 pm F93418 Frontier Airlines Las Vegas — San Antonio	5h 44m including layover	Find flight from$198
8:27 pm — 8:19 am +1 day	6:13 pm — 9:35 pm F92908 Frontier Airlines Ontario — Denver 5h 7m stop 7:45 am — 11:04 am F92356 Frontier Airlines Denver — San Antonio	9h 52m including layover	Find flight from$87

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

*Departure and arrival times are local. Last updated on 12/22/2024

Flight Information

There are 6 flights by Frontier Airlines from Ontario to San Antonio every week with departures from Ontario Int. and International Heliport. All flights arrive at San Antonio, Kelly AFB, Stinson Municipal, Randolph AFB, Martindale AAF.

Departures start from 0:49 am to 8:27 pm. Nonstop flight is 5h 30m. The time difference between Ontario and San Antonio is 2h.

The fastest flight 5h 30m
Average flight time 9h 52m
The earliest flight 0:49 am
The latest flight 8:27 pm
Distance 1164 ml

The cheapest months for traveling to San Antonio are november (from 52 $), february (from 81 $), december (from 97 $).

The most expensive and popular months are january (from 198 $), december (from 97 $), february (from 81 $).

The cheapest flight by Frontier Airlines that our users were able to find is $81. This airfare is economy class on one-way F91500 flight for February 21, 2025 leaving Ontario Int. in Ontario at 0:49 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 Ontario to San Antonio:

Other Popular Airlines on the Route

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

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):

AS - Alaska Airlines

from $246

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Y4 - Volaris

from $320

Find
UA - United Airlines

from $212

Find
AV - Avianca

from $644

Find

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