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

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On Cheapflightsplus.com you will find 50 connecting flights from San Antonio to Ontario. You can compare airfare deals from 6 airlines and multiple travel sites from $81, book and save on cheap plane tickets and last minute offers. Also check out SAT-ONT flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Antonio to Ontario 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 San Antonio to Ontario Today

Take a look at the list of non stop flights and flights with layovers from San Antonio to Ontario with the lowest price of $81. Take a look at the list of flights with layovers from San Antonio to Ontario from $81. There’re no direct flights. The fastest connecting flight – 5h 34m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $81 Find flight	20:20 San Antonio San Antonio	15:02+1 день Ontario Ontario Int.	20h 42m layover 16h 25m - Las Vegas	Frontier Airlines	F93417 F92231
from $195 Find flight	15:03 San Antonio San Antonio	23:12 Ontario Ontario Int.	10h 9m layover 2h 58m - Seattle	Alaska Airlines	AS494 AS1003
from $218 Find flight	08:49 San Antonio San Antonio	12:41 Ontario Ontario Int.	5h 52m layover 1h 3m - Denver	United Airlines	UA1045 UA430
from $218 Find flight	17:57 San Antonio San Antonio	21:59 Ontario Ontario Int.	6h 2m layover 1h 12m - Houston	United Airlines	UA465 UA1563
from $218 Find flight	16:50 San Antonio San Antonio	21:10 Ontario Ontario Int.	6h 20m layover 1h 30m - Denver	United Airlines	UA1884 UA1574
from $218 Find flight	16:19 San Antonio San Antonio	21:59 Ontario Ontario Int.	7h 40m layover 2h 50m - Houston	United Airlines	UA2157 UA1563
from $243 Find flight	16:50 San Antonio San Antonio	20:55 Ontario Ontario Int.	6h 5m layover 1h 14m - Denver	United Airlines	UA680 UA351
from $255 Find flight	16:50 San Antonio San Antonio	12:41+1 день Ontario Ontario Int.	21h 51m layover 17h 1m - Denver	United Airlines	UA1884 UA430
from $267 Find flight	15:31 San Antonio San Antonio	23:59 Ontario Ontario Int.	10h 28m layover 5h 33m - Denver	Frontier Airlines	F92355 F91499
from $276 Find flight	13:18 San Antonio San Antonio	12:42+1 день Ontario Ontario Int.	25h 24m layover 20h 33m - Denver	United Airlines	UA1299 UA430
from $294 Find flight	19:30 San Antonio San Antonio	00:18+1 день Ontario Ontario Int.	6h 48m layover 1h 0m - San Francisco	United Airlines	UA5394 UA1870
from $297 Find flight	15:25 San Antonio San Antonio	20:40 Ontario Ontario Int.	7h 15m layover 1h 26m - San Francisco	United Airlines	UA5906 UA794
from $302 Find flight	13:18 San Antonio San Antonio	20:55 Ontario Ontario Int.	9h 37m layover 4h 46m - Denver	United Airlines	UA1299 UA351
from $326 Find flight	09:20 San Antonio San Antonio	19:06 Ontario Ontario Int.	11h 46m layover 6h 15m - Guadalajara	VivaAerobus	VB521 Y41862
from $364 Find flight	09:00 San Antonio San Antonio	12:42 Ontario Ontario Int.	5h 42m layover 0h 52m - Denver	United Airlines	UA791 UA430
from $272 Find flight	10:25 San Antonio San Antonio	23:01 Ontario Ontario Int.	14h 36m layover 4h 23m - Monterrey 4h 7m - Guadalajara	Volaris	Y45515 Y41083 Y41860

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

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

Full flight schedule will help you in detecting at what time planes fly from San Antonio to Ontario. 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
05:30 — 20:49	05:30 — 06:53 UA1399 United Airlines San Antonio — Denver 12h 30m stop 19:23 — 20:49 UA1574 United Airlines Denver — Ontario	17h 19m including layover	Find flight from$424
05:30 — 12:40	05:30 — 06:53 UA1399 United Airlines San Antonio — Denver 4h 22m stop 11:15 — 12:40 UA430 United Airlines Denver — Ontario	9h 10m including layover	Find flight from$458
07:00 — 13:16	07:00 — 09:07 UA2051 United Airlines San Antonio — San Francisco 2h 40m stop 11:47 — 13:16 UA5684 United Airlines San Francisco — Ontario	8h 16m including layover	Find flight from$426
07:00 — 23:59	07:00 — 09:29 AS437 Alaska Airlines San Antonio — Seattle 11h 52m stop 21:21 — 23:59 AS1064 Alaska Airlines Seattle — Ontario	18h 59m including layover	Find flight from$607
08:49 — 12:41	08:49 — 10:12 UA1045 United Airlines San Antonio — Denver 1h 3m stop 11:15 — 12:41 UA430 United Airlines Denver — Ontario	5h 52m including layover	Find flight from$218
08:49 — 21:10	08:49 — 10:12 UA1045 United Airlines San Antonio — Denver 9h 32m stop 19:44 — 21:10 UA1574 United Airlines Denver — Ontario	14h 21m including layover	Find flight from$233
09:00 — 12:42	08:49 — 10:11 UA791 United Airlines San Antonio — Denver 52m stop 11:16 — 12:40 UA430 United Airlines Denver — Ontario	5h 42m including layover	Find flight from$364
09:20 — 19:06	09:20 — 11:30 VB521 VivaAerobus San Antonio — Guadalajara 6h 15m stop 17:45 — 19:06 Y41862 Volaris Guadalajara — Ontario	11h 46m including layover	Find flight from$326
12:25 — 22:29	12:25 — 13:35 UA6117 United Airlines San Antonio — Houston 7h 15m stop 20:50 — 22:29 UA1563 United Airlines Houston — Ontario	12h 4m including layover	Find flight from$549
13:18 — 12:42 +1 day	13:00 — 14:24 UA1299 United Airlines San Antonio — Denver 20h 33m stop 11:15 — 12:41 UA430 United Airlines Denver — Ontario	25h 24m including layover	Find flight from$276
13:18 — 20:55	13:18 — 14:42 UA1299 United Airlines San Antonio — Denver 4h 46m stop 19:28 — 20:55 UA351 United Airlines Denver — Ontario	9h 37m including layover	Find flight from$302
14:27 — 21:57	14:27 — 15:34 UA2498 United Airlines San Antonio — Houston 4h 41m stop 20:15 — 21:57 UA1563 United Airlines Houston — Ontario	9h 30m including layover	Find flight from$429
15:03 — 23:12	19:25 — 21:55 AS494 Alaska Airlines San Antonio — Seattle 2h 58m stop 17:30 — 20:03 AS1003 Alaska Airlines Seattle — Ontario	10h 9m including layover	Find flight from$195
15:31 — 23:59	11:32 — 12:53 F92355 Frontier Airlines San Antonio — Denver 5h 33m stop 22:38 — 00:04 F91499 Frontier Airlines Denver — Ontario	10h 28m including layover	Find flight from$267
16:19 — 21:59	16:00 — 17:07 UA2157 United Airlines San Antonio — Houston 2h 50m stop 20:15 — 21:57 UA1563 United Airlines Houston — Ontario	7h 40m including layover	Find flight from$218
16:50 — 21:10	16:50 — 18:14 UA1884 United Airlines San Antonio — Denver 1h 30m stop 19:44 — 21:10 UA1574 United Airlines Denver — Ontario	6h 20m including layover	Find flight from$218
17:57 — 21:59	18:02 — 19:10 UA465 United Airlines San Antonio — Houston 1h 12m stop 20:50 — 22:29 UA1563 United Airlines Houston — Ontario	6h 2m including layover	Find flight from$218
18:55 — 22:29	18:55 — 20:05 UA6298 United Airlines San Antonio — Houston 45m stop 20:50 — 22:29 UA1563 United Airlines Houston — Ontario	5h 34m including layover	Find flight from$426
19:30 — 00:18 +1 day	19:30 — 21:50 UA5394 United Airlines San Antonio — San Francisco 1h stop 22:50 — 00:18 UA1870 United Airlines San Francisco — Ontario	6h 48m including layover	Find flight from$294
20:20 — 15:02 +1 day	18:48 — 19:48 F93417 Frontier Airlines San Antonio — Las Vegas 16h 25m stop 13:58 — 15:08 F92231 Frontier Airlines Las Vegas — Ontario	20h 42m including layover	Find flight from$81
06:00 — 17:09	06:00 — 07:16 AS4328 Alaska Airlines San Antonio — Dallas 1h 44m stop 09:00 — 11:30 AS543 Alaska Airlines Dallas — Seattle 3h 1m stop 14:31 — 17:09 AS2073 Alaska Airlines Seattle — Ontario	13h 9m including layover	Find flight from$729
10:25 — 23:01	10:25 — 11:35 Y45515 Volaris San Antonio — Monterrey 4h 23m stop 15:58 — 17:33 Y41083 Volaris Monterrey — Guadalajara 4h 7m stop 21:40 — 23:01 Y41860 Volaris Guadalajara — Ontario	14h 36m including layover	Find flight from$272
10:25 — 23:01	10:25 — 11:35 Y45515 Volaris San Antonio — Monterrey 5h 15m stop 17:05 — 18:40 VB3195 VivaAerobus Monterrey — Guadalajara 3h 15m stop 21:40 — 23:01 Y41860 Volaris Guadalajara — Ontario	14h 36m including layover	Find flight from$461
11:52 — 18:43 +1 day	11:52 — 14:10 AM633 Aeromexico San Antonio — Mexico City 21h 45m stop 11:55 — 13:27 AM224 Aeromexico Mexico City — Guadalajara 3h 55m stop 17:22 — 18:43 Y41862 Volaris Guadalajara — Ontario	32h 51m including layover	Find flight from$582
11:57 — 23:01	11:57 — 14:15 AM633 Aeromexico San Antonio — Mexico City 2h 35m stop 16:50 — 18:22 AM244 Aeromexico Mexico City — Guadalajara 3h 18m stop 21:40 — 23:01 Y41860 Volaris Guadalajara — Ontario	13h 4m including layover	Find flight from$548
12:36 — 23:01	12:36 — 14:45 Y4751 Volaris San Antonio — Mexico City 3h 5m stop 17:50 — 19:14 Y4148 Volaris Mexico City — Guadalajara 2h 26m stop 21:40 — 23:01 Y41860 Volaris Guadalajara — Ontario	12h 25m including layover	Find flight from$393
14:37 — 23:59	14:37 — 15:53 AS4115 Alaska Airlines San Antonio — Dallas 1h 21m stop 17:14 — 19:50 AS573 Alaska Airlines Dallas — Seattle 1h 31m stop 21:21 — 23:59 AS1064 Alaska Airlines Seattle — Ontario	11h 22m including layover	Find flight from$655
17:50 — 18:43 +1 day	17:50 — 20:10 AM635 Aeromexico San Antonio — Mexico City 15h 45m stop 11:55 — 13:27 AM224 Aeromexico Mexico City — Guadalajara 3h 55m stop 17:22 — 18:43 Y41862 Volaris Guadalajara — Ontario	26h 53m including layover	Find flight from$582
19:22 — 09:45 +1 day	19:22 — 22:00 AS494 Alaska Airlines San Antonio — Seattle 59m stop 22:59 — 23:56 AS957 Alaska Airlines Seattle — Portland 7h 34m stop 07:30 — 09:45 AS1283 Alaska Airlines Portland — Ontario	16h 23m including layover	Find flight from$506

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 San Antonio to Ontario depends on and how to choose the most interesting flight option for you.

Distance between San Antonio and Ontario is 1873 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 20:20 from 5 San Antonio airports and arrive 05:00 to 20:20 to 2 Ontario airports. Average flight time is 12h 7m.

The fastest flight 5h 34m
Average flight time 12h 7m
The earliest flight 05:00
The latest flight 20:20
Distance 1164 ml

The cheapest months to travel to Ontario are november (from 52 $), december (from 59 $), january (from 81 $).

The most expensive months are february (from 218 $), january (from 81 $), december (from 59 $).

What is the lowest airfare San Antonio to Ontario?

The cheapest plane ticket found by our users is $81. This airfare is for economy class on one-way F93417 flight by Frontier Airlines for January 12, 2025 which leaves San Antonio in San Antonio at 20:20 am and arrives at Ontario Ontario Int. at 15:02.

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 San Antonio — Ontario is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 10 departures per week at the price of from $ 195 . And the most expensive tickets are offered by United Airlines airline - from $ 852.

Direct flights

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

Connecting Flights

There are 50 flights with layovers on the route. The fastest connecting flight is UA6298 by United Airlines takes 5h 34m and the cheapest is F93417 by Frontier Airlines for $81.

AS - Alaska Airlines

from $195

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F9 - Frontier Airlines

from $81

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Y4 - Volaris

from $272

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UA - United Airlines

from $218

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VB - VivaAerobus

from $326

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AM - Aeromexico

from $548

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See more connecting flights

Airports

You can fly from San Antonio to Ontario from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).

San Antonio airports

Randolph AFB-RND

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Martindale AAF-MDA

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San Antonio-SAT

from $81
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Kelly AFB-SKF

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Stinson Municipal-SSF

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Ontario airports

Ontario Int.-ONT

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International Heliport-JIO

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Airplanes

There are flights to Ontario from San Antonio by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from San Antonio

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

San Antonio — Ontario

from $74

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San Antonio — San Jose

from $70

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San Antonio — Chicago

from $73

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San Antonio — Jacksonville

from $75

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San Antonio — Norfolk

from $76

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San Antonio — Reno

from $65

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San Antonio — Detroit

from $76

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San Antonio — San Diego

from $61

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San Antonio — Houston

from $63

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San Antonio — Sacramento

from $64

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Top International Destinations from San Antonio

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.

San Antonio — San Jose

from $59

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San Antonio — Guadalajara

from $65

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San Antonio — Mexico City

from $73

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San Antonio — San Juan

from $76

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San Antonio — Toronto

from $61

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San Antonio — Cancun

from $79

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San Antonio — Vancouver

from $75

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San Antonio — Albany

from $64

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San Antonio — Birmingham

from $65

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San Antonio — Manchester

from $73

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How to book a plane ticket yourself?

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