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San Antonio

$155+ Cheap flights from Ontario to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Ontario to San Antonio

Cheapest flights from Ontario to San Antonio
Explore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:40 pm
YYZ
-
SAT
1 stop18h 52m
Multiple Airlines
Fri 4/1010:27 am
SAT
-
YYZ
1 stop11h 53m
Multiple Airlines
Deal found 1/28$268
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:40 pm
YYZ
-
SAT
1 stop18h 50m
Multiple Airlines
Tue 3/172:08 pm
SAT
-
YYZ
1 stop9h 06m
Multiple Airlines
Deal found 1/27$269
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/303:40 pm
YYZ
-
SAT
1 stop18h 52m
Multiple Airlines
Wed 4/81:22 pm
SAT
-
YYZ
1 stop9h 52m
Multiple Airlines
Deal found 1/27$271
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/303:40 pm
YYZ
-
SAT
1 stop18h 52m
Multiple Airlines
Fri 4/1010:27 am
SAT
-
YYZ
1 stop11h 53m
Multiple Airlines
Deal found 1/27$272
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:40 pm
YYZ
-
SAT
1 stop18h 52m
Multiple Airlines
Fri 4/1010:27 am
SAT
-
YYZ
1 stop11h 53m
Multiple Airlines
Deal found 1/27$273
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:15 pm
YYZ
-
SAT
1 stop7h 44m
Multiple Airlines
Tue 3/172:08 pm
SAT
-
YYZ
1 stop9h 06m
Multiple Airlines
Deal found 1/27$275
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:15 pm
YYZ
-
SAT
1 stop7h 44m
Multiple Airlines
Thu 3/1210:27 am
SAT
-
YYZ
1 stop8h 28m
Multiple Airlines
Deal found 1/27$276
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:40 pm
YYZ
-
SAT
1 stop18h 50m
Multiple Airlines
Sun 3/111:35 am
SAT
-
YYZ
2 stops31h 01m
Multiple Airlines
Deal found 1/26$277
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:05 am
YYZ
-
SAT
1 stop24h 25m
Multiple Airlines
Tue 3/172:08 pm
SAT
-
YYZ
1 stop9h 06m
Multiple Airlines
Deal found 1/28$281
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:40 pm
YYZ
-
SAT
1 stop18h 50m
Multiple Airlines
Mon 3/162:40 pm
SAT
-
YYZ
1 stop8h 34m
Multiple Airlines
Deal found 1/27$287
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:15 pm
YYZ
-
SAT
1 stop7h 44m
Multiple Airlines
Mon 3/162:40 pm
SAT
-
YYZ
1 stop8h 34m
Multiple Airlines
Deal found 1/27$293
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:15 pm
YOW
-
SAT
1 stop18h 15m
Multiple Airlines
Thu 4/3010:26 am
SAT
-
YOW
1 stop12h 59m
Multiple Airlines
Deal found 1/27$312

Find flight deals from Ontario to San Antonio

Keep the following information in mind while searching for Ontario to San Antonio flight deals. Data was last updated January 29, 2026.

Round-trip from

$268
(Kiwi.com)

One-way from

$155
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$477

Good one-way deal

$266 or less
From Ontario to San Antonio
Search Deals
One-way flight from Ontario to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Ontario to San Antonio.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Ontario to San Antonio that are best for you.

Fly from

Ontario

Fly to

San Antonio

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 4/6

3:40 pm-9:32 am

1 stop18h 52m

San Antonio

Fri 4/10

10:27 am-11:20 pm

1 stop11h 53m

$268

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 3/9

3:40 pm-9:30 am

1 stop18h 50m

San Antonio

Tue 3/17

2:08 pm-12:14 am

1 stop9h 06m

$269

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 2/24

3:40 pm-9:30 am

1 stop18h 50m

San Antonio

Sun 3/1

11:35 am-7:36 pm

2 stops31h 01m

$277

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 3/10

7:15 am-11:59 pm

2 stops17h 44m

San Antonio

Mon 3/16

2:40 pm-12:14 am

1 stop8h 34m

$288

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 3/29

8:00 pm-12:27 pm

1 stop17h 27m

San Antonio

Fri 4/10

10:27 am-11:20 pm

1 stop11h 53m

$298

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 3/8

10:05 am-9:30 am

1 stop24h 25m

San Antonio

Mon 3/16

1:22 pm-12:14 am

1 stop9h 52m

$299

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 4/27

6:30 am-9:30 am

1 stop28h 00m

San Antonio

Sat 5/2

10:26 am-8:55 pm

1 stop9h 29m

$306

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 4/17

4:15 pm-9:30 am

1 stop18h 15m

San Antonio

Thu 4/30

10:26 am-12:25 am

1 stop12h 59m

$312

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 3/10

7:15 am-11:59 pm

2 stops17h 44m

San Antonio

Tue 3/17

2:08 pm-12:14 am

1 stop9h 06m

$317

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 2/14

5:11 pm-11:12 pm

1 stop7h 01m

San Antonio

Thu 2/19

6:30 am-1:34 pm

1 stop6h 04m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 53 results
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Best time to book a flight from Ontario to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to San Antonio

What is the cheapest month to book a flight from Region of Ontario to San Antonio?

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $175). Flying from Region of Ontario to San Antonio in August is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Region of Ontario to San Antonio?

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from Ontario?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Ontario. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from Region of Ontario to San Antonio?

    United Airlines, Delta, and Air Canada can get you from Region of Ontario to San Antonio in just under 7h 01m. Your travel time can differ by up to 12h 50m. There are 1648 mi between Region of Ontario and San Antonio. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to San Antonio one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to San Antonio are American Airlines ($162), Air Canada ($177), and Delta ($178).

  • What are the most popular routes from Region of Ontario to San Antonio?

    When deciding which route to take from Region of Ontario to San Antonio consider Toronto Pearson Intl - San Antonio, Montreal Pierre Elliott Trudeau Intl - San Antonio or Ottawa - San Antonio as they are the most popular.

  • What are the cheapest flights from Region of Ontario to San Antonio?

    While on average a flight from Region of Ontario to San Antonio is generally $266, our data shows the cheapest flight currently is $210. When looking at the most popular route, (Toronto Pearson Intl - San Antonio), you can expect to pay $268 for that flight.

  • Can I find deals for flights from Ontario to San Antonio that include hotel bookings?

    Yes. In addition to deals on Ontario to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Antonio.

  • Can I find deals for business class flights from Ontario to San Antonio?

    Yes. Cheapflights offers flight deals from Ontario to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to San Antonio?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $175). Flying from Region of Ontario to San Antonio in August is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to San Antonio

Discover the top 4 airlines that operate flights from Ontario to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$365FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$292Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$311Average$486FlexibilityNo cancel feeOn-time71%
WestJetCheapest$345Average$538FlexibilityNo cancel feeOn-time60%

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