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Cheap flights from Ontario to San Antonio from C$ 281

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to San Antonio

Enter your travel dates to find the best prices.

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 19 June 2026.

Wed 14/106:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 24/109:00 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 16/6C$ 466
Mon 29/66:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Tue 7/78:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 15/6C$ 480
Wed 8/76:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 11/78:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 15/6C$ 487
Mon 14/96:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 19/99:00 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 15/6C$ 494
Wed 7/106:15 a.m.
YYZ
-
SAT
1 stop8h 07m
Delta
Fri 16/108:00 a.m.
SAT
-
YYZ
1 stop7h 51m
Delta
Deal found 17/6C$ 500
Tue 10/113:00 p.m.
YYZ
-
SAT
2 stops8h 48m
United Airlines
Sat 14/118:55 a.m.
SAT
-
YYZ
1 stop12h 49m
United Airlines
Deal found 15/6C$ 501
Tue 15/98:50 a.m.
YYZ
-
SAT
2 stops7h 53m
United Airlines
Wed 23/95:30 a.m.
SAT
-
YYZ
2 stops9h 16m
United Airlines
Deal found 16/6C$ 503
Wed 15/75:27 p.m.
YYZ
-
SAT
1 stop6h 30m
Multiple Airlines
Sat 18/78:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Multiple Airlines
Deal found 17/6C$ 508
Sat 22/83:53 p.m.
YYZ
-
SAT
1 stop6h 23m
United Airlines
Sun 6/99:10 a.m.
SAT
-
YYZ
1 stop11h 22m
United Airlines
Deal found 18/6C$ 510
Fri 28/86:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Tue 1/99:00 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 17/6C$ 511
Thu 12/1111:51 a.m.
YYZ
-
SAT
1 stop10h 08m
American Airlines
Mon 16/115:00 a.m.
SAT
-
YYZ
1 stop7h 12m
American Airlines
Deal found 15/6C$ 514
Tue 15/912:15 p.m.
YTZ
-
SAT
1 stop11h 36m
Air Canada
Wed 23/96:36 a.m.
SAT
-
YTZ
1 stop9h 06m
Air Canada
Deal found 16/6C$ 613

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 19 June 2026.

Round-trip from

C$ 466

One-way from

C$ 281

Popular in

December

Cheapest in

April

Average price

C$ 738

Good round-trip deal

C$ 454 or less
Air Canada
  • Air Canada
  • 14/10-24/10
  • Nonstop
  • 7h 13m total
  • Ontario to San Antonio
Search Deals
Air Canada
  • Air Canada
  • 29/6
  • Nonstop
  • 3h 43m total
  • Ontario to San Antonio
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip 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 629,999 searches. Data last updated 19 June 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

Fri 23/10

3:53 p.m.-10:51 p.m.

1 stop7h 58m

San Antonio

Mon 26/10

1:35 p.m.-10:44 p.m.

1 stop8h 09m

C$ 501

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 24/9

11:00 a.m.-4:31 p.m.

1 stop6h 31m

San Antonio

Mon 28/9

6:35 a.m.-7:37 p.m.

1 stop12h 02m

C$ 501

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Wed 21/10

10:45 a.m.-4:52 p.m.

1 stop7h 07m

San Antonio

Sat 31/10

6:40 a.m.-6:42 p.m.

2 stops11h 02m

C$ 501

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 22/10

3:53 p.m.-10:51 p.m.

1 stop7h 58m

San Antonio

Mon 26/10

1:35 p.m.-10:44 p.m.

1 stop8h 09m

C$ 501

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 22/8

8:50 a.m.-3:43 p.m.

2 stops7h 53m

San Antonio

Sun 6/9

7:35 a.m.-11:54 p.m.

2 stops15h 19m

C$ 510

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 28/8

7:00 a.m.-11:52 a.m.

1 stop5h 52m

San Antonio

Tue 1/9

9:10 a.m.-11:54 p.m.

2 stops13h 44m

C$ 515

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 7/8

6:10 a.m.-10:34 a.m.

1 stop5h 24m

San Antonio

Mon 10/8

2:43 p.m.-11:57 p.m.

1 stop8h 14m

C$ 520

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 17/7

7:45 a.m.-5:11 p.m.

1 stop10h 26m

San Antonio

Wed 5/8

6:25 a.m.-5:19 p.m.

1 stop9h 54m

C$ 520
Quickest round-trip

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 14/7

6:10 a.m.-10:34 a.m.

1 stop5h 24m

San Antonio

Tue 21/7

5:00 p.m.-11:58 p.m.

1 stop5h 58m

C$ 521

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 31/7

7:00 a.m.-12:12 p.m.

1 stop6h 12m

San Antonio

Sun 9/8

5:30 a.m.-2:24 p.m.

1 stop7h 54m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/6

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 C$ 246). Flying from Region of Ontario to San Antonio in November is currently the most expensive (average of C$ 528). 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 19 June 2026.

When flying from Region of Ontario to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 12.2 km from San Antonio’s city centre.

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

    Air Canada, United Airlines, and Delta can get you from Region of Ontario to San Antonio in just under 3h 43m. Your travel time can differ by up to 7h 08m. There are 2292 km between Region of Ontario and San Antonio. This flight may include one or multiple stops.

  • 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.

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

    The cheapest flight price from Region of Ontario to San Antonio is C$ 441. On average you can expect to pay C$ 633. The most popular route, (Toronto Pearson Intl - San Antonio), can usually be booked for C$ 500.

  • 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 C$ 246). Flying from Region of Ontario to San Antonio in November is currently the most expensive (average of C$ 528). 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

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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.
Pearson Intl to Hobby flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
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Vancouver Intl to George Bush Intcntl flights
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Vancouver Intl to Dallas/Fort Worth flights
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Calgary to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
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Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Ottawa to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Love Field flights
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Ottawa to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Edmonton to Austin flights
Vancouver Intl to Love Field flights
Vancouver Intl to San Antonio flights
Edmonton to San Antonio flights
Vancouver Intl to Austin flights
Calgary to Austin flights
Halifax to Hobby flights
Winnipeg to Dallas/Fort Worth flights
Winnipeg to Hobby flights
Winnipeg to George Bush Intcntl flights
Calgary to Love Field flights
Pearson Intl to El Paso flights
Halifax to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to San Antonio flights
Québec City to Hobby flights
Québec City to George Bush Intcntl flights
Québec City to Dallas/Fort Worth flights
Moncton to Hobby flights
Edmonton to Love Field flights
Halifax to Dallas/Fort Worth flights
Saskatoon to Hobby flights
Saskatoon to Dallas/Fort Worth flights

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 629,999 searches. Data last updated 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 264AverageC$ 565FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 388AverageC$ 585FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 408AverageC$ 637FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 460AverageC$ 661FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 509AverageC$ 645FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to San Antonio?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Antonio from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Antonio?

Cheapflights simply makes it quick and affordable to book flights from Ontario to San Antonio by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to San Antonio with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to San Antonio with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to San Antonio become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.

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