Cheap Flights from Ontario, CA to San Antonio, TX from $81

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On Cheapflightsplus.com you will find 92 connecting flights from Ontario to San Antonio. You can compare airfare deals from 5 airlines and multiple travel sites from $81, book and save on cheap plane tickets and last minute offers. Also check out ONT-SAT flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to San Antonio Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $81 (one-way), $139 (round-trip).

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Best Flights from Ontario to San Antonio Today

Take a look at the list of non stop flights and flights with layovers from Ontario to San Antonio with the lowest price of $81. Take a look at the list of flights with layovers from Ontario to San Antonio from $81. There’re no direct flights. The fastest connecting flight – 5h 11m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $81 Find flight	00:49 Ontario Ontario Int.	08:19 San Antonio San Antonio	5h 30m layover 0h 56m - Denver	Frontier Airlines	F91500 F92356
from $87 Find flight	20:27 Ontario Ontario Int.	08:19+1 день San Antonio San Antonio	9h 52m layover 5h 7m - Denver	Frontier Airlines	F92908 F92356
from $198 Find flight	11:46 Ontario Ontario Int.	19:30 San Antonio San Antonio	5h 44m layover 1h 52m - Las Vegas	Frontier Airlines	F92232 F93418
from $212 Find flight	05:05 Ontario Ontario Int.	12:55 San Antonio San Antonio	5h 50m layover 1h 17m - Denver	United Airlines	UA2329 UA1131
from $212 Find flight	06:10 Ontario Ontario Int.	15:36 San Antonio San Antonio	7h 26m layover 3h 14m - Houston	United Airlines	UA722 UA2399
from $212 Find flight	13:57 Ontario Ontario Int.	23:49 San Antonio San Antonio	7h 52m layover 2h 50m - San Francisco	United Airlines	UA5921 UA214
from $212 Find flight	13:42 Ontario Ontario Int.	23:44 San Antonio San Antonio	8h 2m layover 3h 29m - Denver	United Airlines	UA1942 UA1103
from $218 Find flight	13:45 Ontario Ontario Int.	21:03 San Antonio San Antonio	5h 18m layover 0h 45m - Denver	United Airlines	UA2278 UA1762
from $218 Find flight	06:00 Ontario Ontario Int.	13:24 San Antonio San Antonio	5h 24m layover 1h 9m - Houston	United Airlines	UA2360 UA492
from $218 Find flight	10:39 Ontario Ontario Int.	18:39 San Antonio San Antonio	6h 0m layover 0h 35m - San Francisco	United Airlines	UA4639 UA5435
from $218 Find flight	05:10 Ontario Ontario Int.	13:21 San Antonio San Antonio	6h 11m layover 1h 36m - Denver	United Airlines	UA2317 UA1131
from $218 Find flight	06:00 Ontario Ontario Int.	15:42 San Antonio San Antonio	7h 42m layover 3h 27m - Houston	United Airlines	UA2360 UA2399
from $243 Find flight	06:00 Ontario Ontario Int.	13:27 San Antonio San Antonio	5h 27m layover 1h 13m - Houston	United Airlines	UA722 UA2378
from $243 Find flight	06:00 Ontario Ontario Int.	13:49 San Antonio San Antonio	5h 49m layover 0h 51m - San Francisco	United Airlines	UA277 UA5468
from $243 Find flight	05:05 Ontario Ontario Int.	13:10 San Antonio San Antonio	6h 5m layover 1h 30m - Denver	United Airlines	UA1575 UA1131
from $246 Find flight	17:44 Ontario Ontario Int.	14:07+1 день San Antonio San Antonio	18h 23m layover 0h 57m - Portland 10h 1m - Seattle	Alaska Airlines	AS3498 AS2113 AS494

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on December 21, 2024

Flight Schedule Ontario (California) to San Antonio (Texas)

Full flight schedule will help you in detecting at what time planes fly from Ontario to San Antonio. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
00:49 — 08:19	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 56m stop 07:10 — 10:29 F92356 Frontier Airlines Denver — San Antonio	5h 30m including layover	Find flight from$81
00:59 — 20:44	00:59 — 04:22 F91500 Frontier Airlines Ontario — Denver 13h 8m stop 17:30 — 20:44 F92098 Frontier Airlines Denver — San Antonio	17h 45m including layover	Find flight from$97
05:05 — 12:55	05:05 — 08:23 UA2329 United Airlines Ontario — Denver 1h 17m stop 09:40 — 12:55 UA1131 United Airlines Denver — San Antonio	5h 50m including layover	Find flight from$212
05:10 — 13:21	05:10 — 08:29 UA2317 United Airlines Ontario — Denver 1h 36m stop 10:05 — 13:21 UA1131 United Airlines Denver — San Antonio	6h 11m including layover	Find flight from$218
06:00 — 13:24	06:00 — 11:03 UA2360 United Airlines Ontario — Houston 1h 9m stop 12:12 — 13:24 UA492 United Airlines Houston — San Antonio	5h 24m including layover	Find flight from$218
06:10 — 15:36	06:10 — 11:14 UA722 United Airlines Ontario — Houston 3h 14m stop 14:28 — 15:36 UA2399 United Airlines Houston — San Antonio	7h 26m including layover	Find flight from$212
10:39 — 18:39	10:39 — 12:20 UA4639 United Airlines Ontario — San Francisco 35m stop 12:55 — 18:39 UA5435 United Airlines San Francisco — San Antonio	6h including layover	Find flight from$218
10:39 — 23:49	10:39 — 12:20 UA4639 United Airlines Ontario — San Francisco 6h 5m stop 18:25 — 23:49 UA214 United Airlines San Francisco — San Antonio	11h 10m including layover	Find flight from$362
11:46 — 19:30	17:26 — 18:36 F92232 Frontier Airlines Ontario — Las Vegas 1h 52m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	5h 44m including layover	Find flight from$198
13:42 — 23:44	13:42 — 17:01 UA1942 United Airlines Ontario — Denver 3h 29m stop 20:30 — 23:44 UA1103 United Airlines Denver — San Antonio	8h 2m including layover	Find flight from$212
13:57 — 23:49	13:57 — 15:35 UA5921 United Airlines Ontario — San Francisco 2h 50m stop 18:25 — 23:49 UA214 United Airlines San Francisco — San Antonio	7h 52m including layover	Find flight from$212
16:20 — 14:07 +1 day	13:53 — 16:46 AS1119 Alaska Airlines Ontario — Seattle 12h 49m stop 12:29 — 18:25 AS494 Alaska Airlines Seattle — San Antonio	19h 47m including layover	Find flight from$350
18:03 — 05:27 +1 day	18:03 — 21:00 AS2074 Alaska Airlines Ontario — Seattle 2h 26m stop 23:26 — 05:27 AS446 Alaska Airlines Seattle — San Antonio	9h 24m including layover	Find flight from$547
19:14 — 14:07 +1 day	18:30 — 21:15 AS1399 Alaska Airlines Ontario — Seattle 9h 59m stop 12:28 — 18:25 AS494 Alaska Airlines Seattle — San Antonio	16h 53m including layover	Find flight from$323
20:27 — 08:19 +1 day	18:13 — 21:35 F92908 Frontier Airlines Ontario — Denver 5h 7m stop 07:45 — 11:04 F92356 Frontier Airlines Denver — San Antonio	9h 52m including layover	Find flight from$87
20:56 — 09:00 +1 day	20:33 — 01:32 Y41863 Volaris Ontario — Guadalajara 5h 9m stop 07:04 — 09:00 Y41750 Volaris Guadalajara — San Antonio	10h 4m including layover	Find flight from$320
22:39 — 14:41 +1 day	22:58 — 23:59 F94206 Frontier Airlines Ontario — Las Vegas 10h 1m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	14h 2m including layover	Find flight from$282
11:45 — 14:07 +1 day	11:14 — 13:38 AS3312 Alaska Airlines Ontario — Portland 15h 52m stop 06:05 — 07:08 AS124 Alaska Airlines Portland — Seattle 47m stop 08:01 — 14:07 AS494 Alaska Airlines Seattle — San Antonio	24h 22m including layover	Find flight from$251
17:44 — 14:07 +1 day	17:44 — 20:10 AS3498 Alaska Airlines Ontario — Portland 57m stop 21:07 — 22:00 AS2113 Alaska Airlines Portland — Seattle 10h 1m stop 08:01 — 14:07 AS494 Alaska Airlines Seattle — San Antonio	18h 23m including layover	Find flight from$246
17:44 — 14:07 +1 day	17:44 — 20:10 AS3498 Alaska Airlines Ontario — Portland 9h 55m stop 06:05 — 07:08 AS124 Alaska Airlines Portland — Seattle 53m stop 08:01 — 14:07 AS494 Alaska Airlines Seattle — San Antonio	18h 23m including layover	Find flight from$251

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

*Departure and arrival times - local. Updated on December 21, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to San Antonio depends on and how to choose the most interesting flight option for you.

Distance between Ontario and San Antonio is 1873 miles. Time difference between the cities is 2h. Airplanes depart 00:49 to 22:39 from 2 Ontario airports and arrive 00:49 to 22:39 to 5 San Antonio airports. Average flight time is 13h 34m.

The fastest flight 5h 11m
Average flight time 13h 34m
The earliest flight 00:49
The latest flight 22:39
Distance 1164 ml

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

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

What is the lowest airfare Ontario to San Antonio?

The cheapest plane ticket found by our users is $81. This airfare is for economy class on one-way F91500 flight by Frontier Airlines for February 21, 2025 which leaves Ontario Int. in Ontario at 00:49 am and arrives at San Antonio San Antonio at 08:19.

Economy class

$81

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Business class

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First class

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Popular Airlines on the Route

The flight Ontario — San Antonio is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 20 departures per week at the price of from $ 246 . And the most expensive tickets are offered by Volaris airline - from $ 767.

Direct flights

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

Connecting Flights

There are 92 flights with layovers on the route. The fastest connecting flight is UA722 by United Airlines takes 5h 11m and the cheapest is F91500 by Frontier Airlines for $81.

AS - Alaska Airlines

from $246

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F9 - Frontier Airlines

from $81

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Y4 - Volaris

from $320

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UA - United Airlines

from $212

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AV - Avianca

from $644

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Airports

You can fly from Ontario to San Antonio from 2 airports (Ontario Int., International Heliport).

Ontario airports

Ontario Int.-ONT

from $81
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International Heliport-JIO

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San Antonio airports

Randolph AFB-RND

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Martindale AAF-MDA

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San Antonio-SAT

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Kelly AFB-SKF

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Stinson Municipal-SSF

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Airplanes

There are flights to San Antonio from Ontario by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Ontario — Tampa

from $54

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Ontario — Cleveland

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Ontario — New Orleans

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Ontario — San Jose

from $61

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Ontario — Honolulu

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Ontario — Austin

from $67

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Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Mexico City

from $58

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Ontario — Cancun

from $74

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Ontario — Toronto

from $70

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Ontario — London

from $62

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Ontario — Vancouver

from $61

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How to book a plane ticket yourself?

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