Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to San Antonio from C$ 262

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 26/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
3 Jun — 10 Jun1
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 4 May 2026.

Tue 16/66:05 a.m.
YOW
-
SAT
1 stop7h 25m
United Airlines
Tue 23/61:20 p.m.
SAT
-
YOW
1 stop7h 15m
United Airlines
Deal found 2/5C$ 477
Fri 26/611:00 a.m.
YYZ
-
SAT
1 stop6h 29m
United Airlines
Wed 8/75:32 p.m.
SAT
-
YYZ
1 stop5h 27m
United Airlines
Deal found 1/5C$ 484
Wed 27/510:45 a.m.
YYZ
-
SAT
2 stops11h 28m
United Airlines
Fri 29/55:30 p.m.
SAT
-
YYZ
1 stop5h 29m
United Airlines
Deal found 30/4C$ 485
Thu 25/611:00 a.m.
YYZ
-
SAT
1 stop6h 29m
United Airlines
Sun 5/75:32 p.m.
SAT
-
YYZ
1 stop5h 27m
United Airlines
Deal found 1/5C$ 486
Wed 2/96:00 a.m.
YOW
-
SAT
2 stops14h 53m
United Airlines
Sun 6/96:40 a.m.
SAT
-
YOW
1 stop6h 19m
United Airlines
Deal found 29/4C$ 491
Wed 8/77:17 a.m.
YYZ
-
SAT
1 stop6h 33m
American Airlines
Wed 15/72:10 p.m.
SAT
-
YYZ
1 stop8h 40m
American Airlines
Deal found 4/5C$ 497
Sat 30/53:45 p.m.
YYZ
-
SAT
1 stop6h 17m
American Airlines
Sat 6/66:00 a.m.
SAT
-
YYZ
1 stop10h 44m
American Airlines
Deal found 2/5C$ 500
Tue 7/76:15 a.m.
YYZ
-
SAT
1 stop8h 15m
American Airlines
Tue 14/76:24 a.m.
SAT
-
YYZ
1 stop7h 10m
American Airlines
Deal found 4/5C$ 511
Fri 10/76:00 a.m.
YUL
-
SAT
1 stop7h 30m
United Airlines
Mon 13/75:32 p.m.
SAT
-
YUL
2 stops20h 08m
United Airlines
Deal found 30/4C$ 511
Wed 30/96:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Sat 3/109:00 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Deal found 3/5C$ 512
Wed 27/56:10 a.m.
YYZ
-
SAT
1 stop5h 44m
WestJet
Wed 27/55:00 p.m.
SAT
-
YYZ
2 stops26h 05m
WestJet
Deal found 30/4C$ 516
Thu 18/67:00 a.m.
YUL
-
SAT
1 stop11h 14m
Delta
Sat 27/612:05 p.m.
SAT
-
YUL
1 stop10h 50m
Delta
Deal found 30/4C$ 516

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 4 May 2026.

Round-trip from

C$ 477

One-way from

C$ 262

Popular in

December

Cheapest in

April

Average price

C$ 616

Good round-trip deal

C$ 560 or less
United Airlines
  • United Airlines
  • 16/6-23/6
  • 2 total stops
  • 14h 40m total
  • Ontario to San Antonio
Search Deals
Air Canada
  • Air Canada
  • 26/6
  • Nonstop
  • 3h 43m total
  • Ontario to San Antonio
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 54 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 May 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 4 May 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

Wed 27/5

11:00 a.m.-4:03 p.m.

1 stop6h 03m

San Antonio

Fri 29/5

5:30 p.m.-11:59 p.m.

1 stop5h 29m

C$ 485

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Wed 17/6

1:40 p.m.-8:41 p.m.

1 stop8h 01m

San Antonio

Sun 21/6

6:40 a.m.-5:19 p.m.

1 stop9h 39m

C$ 485

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 24/9

12:45 p.m.-9:16 p.m.

2 stops9h 31m

San Antonio

Sun 27/9

6:40 a.m.-1:42 p.m.

1 stop6h 02m

C$ 485

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 26/6

6:15 a.m.-11:10 a.m.

1 stop5h 55m

San Antonio

Sat 11/7

10:38 a.m.-5:19 p.m.

1 stop5h 41m

C$ 486

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 2/7

6:34 p.m.-12:33 a.m.

1 stop6h 59m

San Antonio

Sun 5/7

7:40 a.m.-5:19 p.m.

1 stop8h 39m

C$ 486

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 7/7

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

1 stop5h 24m

San Antonio

Fri 24/7

4:12 p.m.-11:58 p.m.

1 stop6h 46m

C$ 486

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 4/7

6:30 a.m.-11:46 a.m.

1 stop6h 16m

San Antonio

Fri 24/7

5:15 a.m.-11:19 a.m.

1 stop5h 04m

C$ 486

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 6/7

6:15 a.m.-1:35 p.m.

1 stop8h 20m

San Antonio

Mon 20/7

4:00 p.m.-11:02 p.m.

1 stop6h 02m

C$ 486

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 2/9

6:00 a.m.-7:53 p.m.

2 stops14h 53m

San Antonio

Sun 6/9

6:40 a.m.-1:59 p.m.

1 stop6h 19m

C$ 491

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

12:45 p.m.-8:10 p.m.

1 stop8h 25m

San Antonio

Mon 14/9

5:30 a.m.-5:05 p.m.

1 stop10h 35m

C$ 503

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 C$ 171). Flying from Region of Ontario to San Antonio in November is currently the most expensive (average of C$ 508). 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 12.2 km from San Antonio’s city centre.

  • 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 6h 03m. Your travel time can differ by up to 2h 57m. 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$ 467. On average you can expect to pay C$ 575. The most popular route, (Toronto Pearson Intl - San Antonio), can usually be booked for C$ 473.

  • 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 C$ 171). Flying from Region of Ontario to San Antonio in November is currently the most expensive (average of C$ 508). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Vancouver Intl to Dallas/Fort Worth flights
Vancouver Intl to Hobby flights
Vancouver Intl to George Bush Intcntl flights
Pearson Intl to Love Field flights
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Pearson Intl to Austin flights
Toronto Island to Dallas/Fort Worth flights
Ottawa to Dallas/Fort Worth flights
Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Love Field flights
Toronto Island to George Bush Intcntl flights
Hamilton to George Bush Intcntl flights
Edmonton to Dallas/Fort Worth flights
Vancouver Intl to Love Field flights
Pearson Intl to San Antonio flights
Winnipeg to Hobby flights
Vancouver Intl to Austin flights
Winnipeg to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Austin flights
Victoria to Dallas/Fort Worth flights
Ottawa to Hobby flights
Winnipeg to Austin flights
Calgary to Austin flights
Winnipeg to Dallas/Fort Worth flights
Calgary to San Antonio flights
Ottawa to Love Field flights
Calgary to Love Field flights
Ottawa to George Bush Intcntl flights
Halifax to Hobby flights
Moncton to Hobby flights
Edmonton to Love Field flights
Halifax to George Bush Intcntl flights
Moncton to George Bush Intcntl flights
Québec City to Dallas/Fort Worth flights
Saskatoon to Dallas/Fort Worth flights
Hamilton to Dallas/Fort Worth flights
Pearson Intl to El Paso flights
Québec City to George Bush Intcntl flights
Regina to Hobby flights
Regina to George Bush Intcntl 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 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 254AverageC$ 570FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 374AverageC$ 606FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 393AverageC$ 622FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 448AverageC$ 602FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 490AverageC$ 618FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.