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San Antonio

$193+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
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 May 4, 2026.

This United Airlines deal was found by Cheapflights users on 5/2. 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 6/166:05 am
YOW
-
SAT
1 stop7h 25m
United Airlines
Tue 6/231:20 pm
SAT
-
YOW
1 stop7h 15m
United Airlines
Deal found 5/2$351
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Fri 6/2611:00 am
YYZ
-
SAT
1 stop6h 29m
United Airlines
Wed 7/85:32 pm
SAT
-
YYZ
1 stop5h 27m
United Airlines
Deal found 5/1$356
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/2710:45 am
YYZ
-
SAT
2 stops11h 28m
United Airlines
Fri 5/295:30 pm
SAT
-
YYZ
1 stop5h 29m
United Airlines
Deal found 4/30$357
This Delta deal was found by Cheapflights users on 5/1. 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.
Thu 6/256:34 pm
YYZ
-
SAT
1 stop6h 59m
Delta
Sun 6/285:25 am
SAT
-
YYZ
1 stop6h 00m
Delta
Deal found 5/1$358
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 9/26:00 am
YOW
-
SAT
2 stops14h 53m
United Airlines
Sun 9/66:40 am
SAT
-
YOW
1 stop6h 19m
United Airlines
Deal found 4/29$361
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 7/87:17 am
YYZ
-
SAT
1 stop6h 33m
American Airlines
Wed 7/152:10 pm
SAT
-
YYZ
1 stop8h 40m
American Airlines
Deal found 5/4$366
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Sat 5/303:45 pm
YYZ
-
SAT
1 stop6h 17m
American Airlines
Sat 6/66:00 am
SAT
-
YYZ
1 stop10h 44m
American Airlines
Deal found 5/2$368
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 7/76:15 am
YYZ
-
SAT
1 stop8h 15m
American Airlines
Tue 7/146:24 am
SAT
-
YYZ
1 stop7h 10m
American Airlines
Deal found 5/4$376
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 7/106:00 am
YUL
-
SAT
1 stop7h 30m
United Airlines
Mon 7/135:32 pm
SAT
-
YUL
2 stops20h 08m
United Airlines
Deal found 4/30$376
This Air Canada deal was found by Cheapflights users on 5/3. 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 9/306:30 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 10/39:00 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 5/3$377
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:10 am
YYZ
-
SAT
1 stop5h 44m
WestJet
Wed 5/275:00 pm
SAT
-
YYZ
2 stops26h 05m
WestJet
Deal found 4/30$380
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 6/187:00 am
YUL
-
SAT
1 stop11h 14m
Delta
Sat 6/2712:05 pm
SAT
-
YUL
1 stop10h 50m
Delta
Deal found 4/30$380

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 May 4, 2026.

Round-trip from

$351
(United Airlines)

One-way from

$193
(Air Canada)

Popular in

December

Cheapest in

April

Average price

$453
From Ontario to San Antonio
Search Deals
One-way flight from Ontario to San Antonio
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 4, 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

Mon 7/13

7:45 am-3:10 pm

1 stop8h 25m

San Antonio

Wed 7/15

5:15 am-3:20 pm

1 stop9h 05m

$357

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 9/24

12:45 pm-9:16 pm

2 stops9h 31m

San Antonio

Sun 9/27

6:40 am-1:42 pm

1 stop6h 02m

$357

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Wed 6/17

1:40 pm-8:41 pm

1 stop8h 01m

San Antonio

Sun 6/21

6:40 am-5:19 pm

1 stop9h 39m

$357

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Wed 5/27

11:00 am-4:03 pm

1 stop6h 03m

San Antonio

Fri 5/29

5:30 pm-11:59 pm

1 stop5h 29m

$357

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 6/26

1:40 pm-10:17 pm

1 stop9h 37m

San Antonio

Tue 6/30

6:40 am-5:19 pm

1 stop9h 39m

$358

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 6/25

11:00 am-4:29 pm

1 stop6h 29m

San Antonio

Sun 7/5

5:32 pm-11:59 pm

1 stop5h 27m

$358

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 7/2

6:34 pm-12:33 am

1 stop6h 59m

San Antonio

Sun 7/5

7:40 am-5:19 pm

1 stop8h 39m

$358

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 6/25

6:34 pm-12:33 am

1 stop6h 59m

San Antonio

Sun 6/28

5:25 am-12:25 pm

1 stop6h 00m

$358

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

6:00 am-7:53 pm

2 stops14h 53m

San Antonio

Sun 9/6

6:40 am-1:59 pm

1 stop6h 19m

$361
Quickest round-trip

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Wed 9/30

6:30 pm-9:13 pm

Nonstop3h 43m

San Antonio

Sat 10/3

9:00 am-1:30 pm

Nonstop3h 30m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 59 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

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

Booking 49 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.

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $126). 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.

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?

    Delta, United Airlines, and Air Canada can get you from Region of Ontario to San Antonio in just under 8h 25m. Your travel time can differ by up to 1h 06m. 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 American Airlines ($189), Delta ($201), and WestJet ($209).

  • 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, May is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $126). 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

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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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$174Average$696FlexibilityNo cancel feeOn-time67%
WestJetCheapest$267Average$525FlexibilityNo cancel feeOn-time60%
DeltaCheapest$273Average$472FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$355Average$405FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$381Average$511FlexibilityNo cancel feeOn-time71%

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