Which airlines fly to San Antonio?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Antonio from Region of Ontario according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to San Antonio?

United Airlines, Delta, and Porter Airlines are the most popular carriers operating from Ontario to San Antonio

How many flights depart from Region of Ontario to San Antonio on average per week?

The number of flights available between Region of Ontario and San Antonio is 6 per week as of October 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

How long does it take to fly to San Antonio?

On average, it takes 3h 35m to fly from Region of Ontario to San Antonio if you fly out of Toronto (the most popular airport in Region of Ontario) and into Austin (the most popular airport in San Antonio). If you’re flying out of Ottawa and into Austin, then the flight time is around 6h 30m.

When did momondo last update prices for flights from Ontario to San Antonio Airport?

Prices for flights from Ontario to San Antonio Airport are updated daily.

How many operators does momondo search for flights from Ontario to San Antonio Airport?

The number of operators available for flights from Ontario to San Antonio Airport is 5 as of October 2026.

How old do you have to be to fly from Ontario to San Antonio Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 281 Cheap Flights from Ontario to San Antonio in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to San Antonio

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 a.m. - 3:30 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

9h 00m1 stop Newark

5:35 p.m. - 12:13 a.m.SAT San Antonio-YYZ Toronto Pearson Intl

5h 38m1 stop Chicago O'Hare Intl

C$ 496United Airlines

Wed, 17 Feb - Wed, 17 Feb

11:52 a.m. - 7:48 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

8h 56m1 stop Charlotte Douglas

6:00 a.m. - 1:06 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

6h 06m1 stop Dallas/Fort Worth

C$ 503American Airlines

Thu, 21 Jan - Sun, 24 Jan

5:25 p.m. - 11:35 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

7h 10m1 stop Atlanta Hartsfield-Jackson

11:47 a.m. - 10:59 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

10h 12m1 stop Detroit Metropolitan Wayne County

C$ 503Delta

Sat, 12 Dec - Sat, 26 Dec

5:25 p.m. - 12:35 a.m.YYZ Toronto Pearson Intl-SAT San Antonio

8h 10m1 stop Atlanta Hartsfield-Jackson

5:20 a.m. - 11:15 a.m.SAT San Antonio-YYZ Toronto Pearson Intl

4h 55m1 stop Detroit Metropolitan Wayne County

C$ 503Delta

Wed, 16 Dec - Thu, 31 Dec

12:25 p.m. - 8:22 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

8h 57m1 stop Atlanta Hartsfield-Jackson

4:25 p.m. - 12:01 a.m.SAT San Antonio-YYZ Toronto Pearson Intl

6h 36m1 stop Atlanta Hartsfield-Jackson

C$ 503WestJet

Thu, 21 Jan - Sun, 24 Jan

2:26 p.m. - 11:07 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

9h 41m1 stop Detroit Metropolitan Wayne County

5:15 a.m. - 11:19 a.m.SAT San Antonio-YYZ Toronto Pearson Intl

5h 04m1 stop Detroit Metropolitan Wayne County

C$ 503WestJet

Sun, 25 Oct - Wed, 28 Oct

3:57 p.m. - 11:03 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

8h 06m1 stop Charlotte Douglas

6:00 a.m. - 1:05 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

6h 05m1 stop Dallas/Fort Worth

C$ 503American Airlines

Thu, 19 Nov - Sun, 22 Nov

3:45 p.m. - 10:51 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

8h 06m1 stop Houston George Bush Intcntl

5:30 a.m. - 4:47 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

10h 17m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 504United Airlines

Tue, 3 Nov - Tue, 17 Nov

6:10 a.m. - 1:16 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

8h 06m1 stop Houston George Bush Intcntl

4:19 p.m. - 10:37 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

5h 18m1 stop Houston George Bush Intcntl

C$ 540Air Canada

Thu, 29 Oct - Tue, 3 Nov

3:45 p.m. - 9:26 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

6h 41m1 stop Houston George Bush Intcntl

1:52 p.m. - 10:51 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

7h 59m1 stop Denver Intl

C$ 543Air Canada

Wed, 4 Nov - Fri, 13 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:38 a.m. - 7:48 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

9h 10m1 stop Atlanta Hartsfield-Jackson

5:15 a.m. - 1:36 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

7h 21m1 stop Detroit Metropolitan Wayne County

C$ 698Delta

Tue, 13 Oct - Tue, 20 Oct

7:00 p.m. - 11:41 a.m.YYZ Toronto Pearson Intl-SAT San Antonio

17h 41m1 stop Newark

8:50 a.m. - 1:20 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

3h 30mdirect

C$ 809Multiple Airlines

Tue, 13 Oct - Tue, 20 Oct

1:34 p.m. - 7:48 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

7h 14m1 stop Atlanta Hartsfield-Jackson

6:00 a.m. - 9:35 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

14h 35m2 stops Minneapolis St Paul Winnipeg

C$ 859WestJet

Tue, 13 Oct - Tue, 20 Oct

1:34 p.m. - 7:48 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

7h 14m1 stop Atlanta Hartsfield-Jackson

1:41 p.m. - 9:59 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

7h 18m1 stop Atlanta Hartsfield-Jackson

C$ 892Delta

Thu, 15 Oct - Sun, 18 Oct

12:56 p.m. - 5:41 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

5h 45m1 stop Minneapolis St Paul

6:57 a.m. - 5:25 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

9h 28m1 stop Atlanta Hartsfield-Jackson

C$ 909WestJet

Fri, 16 Oct - Sun, 18 Oct

7:30 p.m. - 10:13 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

3h 43mdirect

6:35 a.m. - 3:46 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

8h 11m1 stop Chicago O'Hare Intl

C$ 984Air Canada

Fri, 16 Oct - Sun, 18 Oct

7:30 p.m. - 10:13 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

3h 43mdirect

2:25 p.m. - 10:36 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

7h 11m1 stop Houston George Bush Intcntl

C$ 1,055Air Canada

Wed, 14 Oct - Mon, 19 Oct

7:00 a.m. - 3:53 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

9h 53m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:30 a.m. - 2:24 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

7h 54m1 stop Houston George Bush Intcntl

C$ 1,114United Airlines

Thu, 15 Oct - Sun, 18 Oct

8:50 a.m. - 3:53 p.m.YYZ Toronto Pearson Intl-SAT San Antonio

8h 03m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:30 a.m. - 3:46 p.m.SAT San Antonio-YYZ Toronto Pearson Intl

9h 16m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 1,114United Airlines

Thu, 15 Oct - Sun, 18 Oct

10:05 a.m. - 10:15 a.m.YYZ Toronto Pearson Intl-SAT San Antonio

25h 10m2 stops Guadalajara Miguel Hidal Mexico City Benito Juarez

8:21 p.m. - 6:25 a.m.SAT San Antonio-YYZ Toronto Pearson Intl

33h 04m3 stops Denver Intl Los Angeles Vancouver Intl

C$ 1,144Multiple Airlines

Tue, 13 Oct - Tue, 20 Oct

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American Airlines flights from Region of Ontario to San Antonio

Our best American Airlines deals on Region of Ontario to San Antonio flight tickets

American Airlines

5 Dec

YYZ3:51 p.m.Toronto Pearson Intl

7h 09m

1 stop

SAT10:00 p.m.San Antonio

13 Dec

SAT5:00 a.m.San Antonio

7h 06m

1 stop

YYZ1:06 p.m.Toronto Pearson Intl

C$ 516

American Airlines

20 Nov

YYZ5:12 p.m.Toronto Pearson Intl

6h 50m

1 stop

SAT11:02 p.m.San Antonio

22 Nov

SAT6:00 a.m.San Antonio

6h 05m

1 stop

YYZ1:05 p.m.Toronto Pearson Intl

C$ 565

American Airlines

25 Dec

YYZ12:30 p.m.Toronto Pearson Intl

8h 48m

1 stop

SAT8:18 p.m.San Antonio

1 Jan

SAT5:00 a.m.San Antonio

8h 44m

2 stops

YYZ2:44 p.m.Toronto Pearson Intl

C$ 578

Air Canada flights from Region of Ontario to San Antonio

Our best Air Canada deals on Region of Ontario to San Antonio flight tickets

Air Canada

29 Oct

YYZ6:10 a.m.Toronto Pearson Intl

8h 06m

1 stop

SAT1:16 p.m.San Antonio

3 Nov

SAT4:19 p.m.San Antonio

5h 18m

1 stop

YYZ10:37 p.m.Toronto Pearson Intl

C$ 540

Air Canada

20 Oct

YYZ3:53 p.m.Toronto Pearson Intl

6h 38m

1 stop

SAT9:31 p.m.San Antonio

23 Oct

SAT1:17 p.m.San Antonio

7h 15m

1 stop

YYZ9:32 p.m.Toronto Pearson Intl

C$ 543

Air Canada

13 Jan

YTZ3:15 p.m.Toronto Island

6h 42m

1 stop

SAT8:57 p.m.San Antonio

23 Jan

SAT6:38 a.m.San Antonio

9h 03m

1 stop

YTZ4:41 p.m.Toronto Island

C$ 581

momondo Fare Finder

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 Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Wed 17/2

7:30 a.m.-3:30 p.m.

1 stop9h 00m

San Antonio

Wed 17/2

5:35 p.m.-12:13 a.m.

1 stop5h 38m

C$ 496

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Thu 21/1

11:52 a.m.-7:48 p.m.

1 stop8h 56m

San Antonio

Sun 24/1

6:00 a.m.-1:06 p.m.

1 stop6h 06m

C$ 503

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Sat 12/12

5:25 p.m.-11:35 p.m.

1 stop7h 10m

San Antonio

Sat 26/12

11:47 a.m.-10:59 p.m.

1 stop10h 12m

C$ 503

Quickest round-trip

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Wed 16/12

5:25 p.m.-12:35 a.m.

1 stop8h 10m

San Antonio

Thu 31/12

5:20 a.m.-11:15 a.m.

1 stop4h 55m

C$ 503

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Thu 21/1

12:25 p.m.-8:22 p.m.

1 stop8h 57m

San Antonio

Sun 24/1

4:25 p.m.-12:01 a.m.

1 stop6h 36m

C$ 503

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Sun 25/10

2:26 p.m.-11:07 p.m.

1 stop9h 41m

San Antonio

Wed 28/10

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

1 stop5h 04m

C$ 503

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Thu 19/11

3:57 p.m.-11:03 p.m.

1 stop8h 06m

San Antonio

Sun 22/11

6:00 a.m.-1:05 p.m.

1 stop6h 05m

C$ 503

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Tue 3/11

3:45 p.m.-10:51 p.m.

1 stop8h 06m

San Antonio

Tue 17/11

5:30 a.m.-4:47 p.m.

2 stops10h 17m

C$ 504

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Thu 29/10

6:10 a.m.-1:16 p.m.

1 stop8h 06m

San Antonio

Tue 3/11

4:19 p.m.-10:37 p.m.

1 stop5h 18m

C$ 540

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Wed 4/11

3:45 p.m.-9:26 p.m.

1 stop6h 41m

San Antonio

Fri 13/11

1:52 p.m.-10:51 p.m.

1 stop7h 59m

C$ 543

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Antonio?

The cheapest month to fly to San Antonio from Region of Ontario is in May. Flight prices, which tend to average around C$ 558, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in May, then September is your next best option. Flight prices from Region of Ontario to San Antonio during September average around C$ 567.

What is the cheapest day to depart on your flight to San Antonio?

Our data shows that Wednesday is the least expensive day to fly to San Antonio. Tickets to fly out on this day can be as low as C$ 489. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is C$ 598.

What is the cheapest time of day to depart on your flight to San Antonio?

In the evening is the cheapest time of day to fly from Region of Ontario to San Antonio when you can find flight prices for as low as C$ 468. Flying to San Antonio in the evening is an ideal time because this is during off-peak travel hours. Flights to San Antonio are more costly in the afternoon, with an average ticket price of C$ 602. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ontario to San Antonio flight route?

Fly from Toronto Pearson Intl to San Antonio for the best Ontario - San Antonio flight prices

How far in advance should I book a flight from Ontario to San Antonio?

You are more likely to see cheaper flights to San Antonio from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around C$ 642 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Region of Ontario for as low as C$ 424 on momondo.

What cabin class options are available on Region of Ontario to San Antonio flights?

There are 2 cabin classes available to choose from on Region of Ontario to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Region of Ontario to San Antonio.

Cheap Region of Ontario to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Antonio

Best price found	C$ 281
Fastest flight time	3h 43m
Direct flights	Tue and Sat
Airports in San Antonio	1 airport

The best one-way flight to San Antonio from Region of Ontario in the past 72 hours is C$ 281. The best round-trip flight deal from Region of Ontario to San Antonio found on momondo in the last 72 hours is C$ 496.

The fastest flight from Region of Ontario to San Antonio takes 3h 43m

Direct flights go from Region of Ontario to San Antonio on Tuesday and Saturday. There are no airlines offering direct flights.

There is 1 airport in San Antonio. From Region of Ontario there are direct flights to San Antonio (SAT).

Search flight deals

Frequently asked questions about flying from Ontario to San Antonio

When did momondo last update prices for flights from Ontario to San Antonio Airport?
Prices for flights from Ontario to San Antonio Airport are updated daily.
How many operators does momondo search for flights from Ontario to San Antonio Airport?
The number of operators available for flights from Ontario to San Antonio Airport is 5 as of October 2026.
How old do you have to be to fly from Ontario to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Region of Ontario to San Antonio?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to San Antonio is Airbus A220-300 (60.00% of total bookings). The next most popular plane models are Airbus A220 (20.00%) and Embraer 195 E2 (20.00%).

Best airlines flying from Region of Ontario to San Antonio

Compare and see reviews for airlines that fly from Region of Ontario to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 266	Free Cancellation	Rating 7.8 8,653 reviews	Search Delta flights
United Airlines	PriceFrom C$ 389	Free Cancellation	Rating 7.4 10,332 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 412	Free Cancellation	Rating 7.0 12,150 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 464	Free Cancellation	Rating 7.1 11,748 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 512	Free Cancellation	Rating 7.2 3,452 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to San Antonio?

It is quick and easy to find Ontario to San Antonio flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Antonio that suits you.

Can I find flights from Ontario to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to San Antonio?

Once all potential Ontario to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Ontario and alert you when they change.