Cheap Flights from San Antonio, TX to Ontario, CA from $218

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On Cheapflightsplus.com you will find 10 connecting flights from San Antonio to Ontario. You can compare airfare deals from 3 airlines and multiple travel sites from $218, 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: $218 (one-way), $374 (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 $218. Take a look at the list of flights with layovers from San Antonio to Ontario from $218. There’re no direct flights. The fastest connecting flight – 5h 42m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
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	16:19 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 $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 $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 $326 Find flight	09:20 San Antonio San Antonio	19:06 Ontario Ontario Int.	11h 46m layover 6h 15m - Guadalajara	VivaAerobus	VB521 Y41862
from $355 Find flight	09:00 San Antonio San Antonio	12:42 Ontario Ontario Int.	5h 42m layover 0h 52m - Denver	United Airlines	UA791 UA430
from $559 Find flight	09:30 San Antonio San Antonio	14:30 Ontario Ontario Int.	7h 0m layover 1h 13m - San Francisco	United Airlines	UA5476 UA5684
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 February 23, 2025

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
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$355
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
09:30 — 14:30	09:30 — 11:47 UA5476 United Airlines San Antonio — San Francisco 1h 13m stop 13:00 — 14:30 UA5684 United Airlines San Francisco — Ontario	7h including layover	Find flight from$559
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$301
15:25 — 20:40	15:25 — 17:44 UA5906 United Airlines San Antonio — San Francisco 1h 26m stop 19:10 — 20:40 UA794 United Airlines San Francisco — Ontario	7h 15m including layover	Find flight from$297
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 — 20:55	16:50 — 18:14 UA680 United Airlines San Antonio — Denver 1h 14m stop 19:28 — 20:55 UA351 United Airlines Denver — Ontario	6h 5m including layover	Find flight from$243
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
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

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

*Departure and arrival times - local. Updated on February 23, 2025

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 09:00 to 17:57 from 5 San Antonio airports and arrive 09:00 to 17:57 to 2 Ontario airports. Average flight time is 7h 28m.

The fastest flight 5h 42m
Average flight time 7h 28m
The earliest flight 09:00
The latest flight 17:57
Distance 1164 ml

The cheapest months to travel to Ontario are january (from 218 $), february (from 218 $), december (from 276 $).

The most expensive months are november (from 337 $), december (from 276 $), february (from 218 $).

What is the lowest airfare San Antonio to Ontario?

The cheapest plane ticket found by our users is $218. This airfare is for economy class on one-way UA465 flight by United Airlines for February 21, 2025 which leaves San Antonio in San Antonio at 17:57 am and arrives at Ontario Ontario Int. at 21:59.

Economy class

$218

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First class

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Popular Airlines on the Route

The flight San Antonio — Ontario is served by 3 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Volaris - 1 departures per week at the price of from $ 272 . And the most expensive tickets are offered by United Airlines airline - from $ 559.

Direct flights

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

Connecting Flights

There are 10 flights with layovers on the route. The fastest connecting flight is UA791 by United Airlines takes 5h 42m and the cheapest is UA465 by United Airlines for $218.

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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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 $218
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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 3 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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That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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