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San Antonio

$199+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
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 June 18, 2026.

This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 10/249:00 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 6/16$330
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:30 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Tue 7/78:50 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 6/15$340
This Air Canada deal was found by Cheapflights users on 6/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:30 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 7/118:50 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 6/15$345
This Air Canada deal was found by Cheapflights users on 6/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:30 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 9/199:00 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 6/15$350
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:15 am
YYZ
-
SAT
1 stop8h 07m
Delta
Fri 10/168:00 am
SAT
-
YYZ
1 stop7h 51m
Delta
Deal found 6/17$354
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am
YYZ
-
SAT
1 stop6h 40m
Delta
Fri 11/134:25 pm
SAT
-
YYZ
1 stop6h 36m
Delta
Deal found 6/15$355
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:50 am
YYZ
-
SAT
2 stops7h 53m
United Airlines
Wed 9/235:30 am
SAT
-
YYZ
2 stops9h 16m
United Airlines
Deal found 6/16$356
This United deal was found by Cheapflights users on 6/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:27 pm
YYZ
-
SAT
1 stop6h 30m
Multiple Airlines
Sat 7/188:50 am
SAT
-
YYZ
Nonstop3h 30m
Multiple Airlines
Deal found 6/17$360
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:50 am
YYZ
-
SAT
2 stops7h 53m
United Airlines
Sun 9/67:35 am
SAT
-
YYZ
2 stops15h 19m
United Airlines
Deal found 6/18$361
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:30 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Tue 9/19:00 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 6/17$362
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:51 am
YYZ
-
SAT
1 stop10h 08m
American Airlines
Mon 11/165:00 am
SAT
-
YYZ
1 stop7h 12m
American Airlines
Deal found 6/15$364
This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:15 pm
YTZ
-
SAT
1 stop11h 36m
Air Canada
Wed 9/236:36 am
SAT
-
YTZ
1 stop9h 06m
Air Canada
Deal found 6/16$434

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 June 18, 2026.

Round-trip from

$330
(Air Canada)

One-way from

$199
(Air Canada)

Popular in

December

Cheapest in

April

Average price

$523
From Ontario to San Antonio
Search Deals
One-way flight from Ontario to San Antonio
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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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 June 18, 2026.
Use the filters below to find and compare flights from Ontario to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 10/22

3:53 pm-10:51 pm

1 stop7h 58m

San Antonio

Sat 10/31

6:40 am-6:42 pm

2 stops11h 02m

$355

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 10/2

6:10 pm-10:46 pm

1 stop5h 36m

San Antonio

Tue 10/6

5:20 am-1:32 pm

1 stop7h 12m

$355

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 10/22

3:53 pm-10:51 pm

1 stop7h 58m

San Antonio

Mon 10/26

1:35 pm-10:44 pm

1 stop8h 09m

$355

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 7/24

6:14 pm-10:22 pm

1 stop5h 08m

San Antonio

Fri 8/7

2:22 pm-11:10 pm

1 stop7h 48m

$368

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 8/28

11:00 am-4:31 pm

1 stop6h 31m

San Antonio

Tue 9/1

6:30 am-3:46 pm

1 stop8h 16m

$368

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 7/17

7:45 am-5:11 pm

1 stop10h 26m

San Antonio

Wed 8/5

6:25 am-5:19 pm

1 stop9h 54m

$368

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 7/2

1:00 pm-10:57 pm

1 stop10h 57m

San Antonio

Fri 7/10

5:32 pm-9:54 am

1 stop15h 22m

$368
Quickest round-trip

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 7/14

6:10 am-10:34 am

1 stop5h 24m

San Antonio

Tue 7/21

5:00 pm-11:58 pm

1 stop5h 58m

$369

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 7/10

6:30 am-11:49 am

1 stop6h 19m

San Antonio

Mon 7/13

4:00 pm-11:02 pm

1 stop6h 02m

$369

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 7/31

7:00 am-12:12 pm

1 stop6h 12m

San Antonio

Sun 8/9

5:30 am-2:24 pm

1 stop7h 54m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 55 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $174). Flying from Region of Ontario to San Antonio in November is currently the most expensive (average of $374). 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.

What is the cheapest time of day to fly from ON to SAT?

Find hourly flight availability from Ontario to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Antonio as you normally would.

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

How far ahead should I book a flight from Region of Ontario to San Antonio?

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 5h 36m. Your travel time can differ by up to 6h. There are 1424 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 Air Canada ($188), American Airlines ($189), and Delta ($201).

  • 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 Toronto Island - San Antonio as they are the most popular.

  • 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, September is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $174). Flying from Region of Ontario to San Antonio in November is currently the most expensive (average of $374). 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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Top 5 airlines flying from Ontario to San Antonio

Discover the top 5 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$174Average$676FlexibilityNo cancel feeOn-time67%
WestJetCheapest$267Average$470FlexibilityNo cancel feeOn-time60%
DeltaCheapest$273Average$472FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$355Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$381Average$511FlexibilityNo cancel feeOn-time71%

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