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

American Airlines, United Airlines, and WestJet are the most popular carriers operating from Ontario to San Antonio

How long does it take to fly to San Antonio?

On average, it takes 3h 30m 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 57m.

Which airlines fly to San Antonio?

Air Canada, United Airlines and WestJet 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 54% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

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 February 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$ 207 Cheap Flights from Ontario to San Antonio in 2026

1 adult

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Find the cheapest flights from Ontario to San Antonio

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 p.m. - 8:23 a.m.

YYZ

SAT

15h 08m

1 stop

6:20 a.m. - 4:45 p.m.

SAT

YYZ

9h 25m

1 stop

C$ 333American Airlines

Thu, 9 Apr - Thu, 16 Apr

6:15 p.m. - 8:23 a.m.

YYZ

SAT

15h 08m

1 stop

7:00 a.m. - 10:55 p.m.

SAT

YYZ

14h 55m

1 stop

C$ 345American Airlines

Thu, 16 Apr - Tue, 21 Apr

11:10 a.m. - 8:05 p.m.

YYZ

SAT

9h 55m

1 stop

7:05 a.m. - 5:26 p.m.

SAT

YYZ

9h 21m

1 stop

C$ 356American Airlines

Tue, 7 Apr - Tue, 14 Apr

6:25 a.m. - 12:24 p.m.

YOW

SAT

6h 59m

1 stop

6:49 a.m. - 10:05 p.m.

SAT

YOW

14h 16m

2 stops

C$ 396United Airlines

Sun, 5 Apr - Wed, 8 Apr

6:00 a.m. - 4:09 p.m.

YOW

SAT

11h 09m

2 stops

6:49 a.m. - 5:07 p.m.

SAT

YOW

9h 18m

1 stop

C$ 397United Airlines

Sun, 5 Apr - Wed, 8 Apr

5:15 p.m. - 12:27 p.m.

YYZ

SAT

20h 12m

1 stop

10:22 a.m. - 11:20 p.m.

SAT

YYZ

11h 58m

1 stop

C$ 422Multiple Airlines

Mon, 6 Apr - Thu, 9 Apr

7:15 a.m. - 12:27 p.m.

YYZ

SAT

30h 12m

1 stop

1:22 p.m. - 12:14 a.m.

SAT

YYZ

9h 52m

1 stop

C$ 445Multiple Airlines

Tue, 7 Apr - Mon, 13 Apr

6:45 p.m. - 12:46 a.m.

YUL

SAT

7h 01m

1 stop

4:43 p.m. - 11:08 p.m.

SAT

YUL

5h 25m

1 stop

C$ 508Delta

Wed, 15 Apr - Sat, 18 Apr

12:42 p.m. - 10:30 p.m.

YUL

SAT

10h 48m

1 stop

6:13 a.m. - 5:31 p.m.

SAT

YUL

10h 18m

1 stop

C$ 545Delta

Mon, 16 Mar - Thu, 19 Mar

5:55 p.m. - 10:18 a.m.

YOW

SAT

17h 23m

1 stop

7:00 a.m. - 9:18 p.m.

SAT

YOW

13h 18m

1 stop

C$ 613Air Canada

Tue, 17 Mar - Tue, 24 Mar

United Airlines flights from Region of Ontario to San Antonio

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

United Airlines

5 Apr

YOW6:25 a.m.Ottawa

6h 59m

1 stop

SAT12:24 p.m.San Antonio

8 Apr

SAT6:49 a.m.San Antonio

14h 16m

2 stops

YOW10:05 p.m.Ottawa

C$ 396

United Airlines

5 Apr

YOW6:00 a.m.Ottawa

11h 09m

2 stops

SAT4:09 p.m.San Antonio

8 Apr

SAT6:49 a.m.San Antonio

9h 18m

1 stop

YOW5:07 p.m.Ottawa

C$ 397

United Airlines

10 Apr

YOW10:44 a.m.Ottawa

13h 09m

1 stop

SAT10:53 p.m.San Antonio

11 Apr

SAT6:49 a.m.San Antonio

6h 10m

1 stop

YOW1:59 p.m.Ottawa

C$ 417

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

9 Apr

YYZ6:15 p.m.Toronto Pearson Intl

15h 08m

1 stop

SAT8:23 a.m.San Antonio

16 Apr

SAT6:20 a.m.San Antonio

9h 25m

1 stop

YYZ4:45 p.m.Toronto Pearson Intl

C$ 333

American Airlines

16 Apr

YYZ6:15 p.m.Toronto Pearson Intl

15h 08m

1 stop

SAT8:23 a.m.San Antonio

21 Apr

SAT7:00 a.m.San Antonio

14h 55m

1 stop

YYZ10:55 p.m.Toronto Pearson Intl

C$ 345

American Airlines

7 Apr

YYZ11:10 a.m.Toronto Pearson Intl

9h 55m

1 stop

SAT8:05 p.m.San Antonio

14 Apr

SAT7:05 a.m.San Antonio

9h 21m

1 stop

YYZ5:26 p.m.Toronto Pearson Intl

C$ 356

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 9/4

6:15 p.m.-8:23 a.m.

1 stop15h 08m

San Antonio

Thu 16/4

6:20 a.m.-4:45 p.m.

1 stop9h 25m

C$ 333

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 16/4

6:15 p.m.-8:23 a.m.

1 stop15h 08m

San Antonio

Tue 21/4

7:00 a.m.-10:55 p.m.

1 stop14h 55m

C$ 345

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 7/4

11:10 a.m.-8:05 p.m.

1 stop9h 55m

San Antonio

Tue 14/4

7:05 a.m.-5:26 p.m.

1 stop9h 21m

C$ 356

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 5/4

6:25 a.m.-12:24 p.m.

1 stop6h 59m

San Antonio

Wed 8/4

6:49 a.m.-10:05 p.m.

2 stops14h 16m

C$ 396

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 5/4

6:00 a.m.-4:09 p.m.

2 stops11h 09m

San Antonio

Wed 8/4

6:49 a.m.-5:07 p.m.

1 stop9h 18m

C$ 397

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 6/4

5:15 p.m.-12:27 p.m.

1 stop20h 12m

San Antonio

Thu 9/4

10:22 a.m.-11:20 p.m.

1 stop11h 58m

C$ 422

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 7/4

7:15 a.m.-12:27 p.m.

1 stop30h 12m

San Antonio

Mon 13/4

1:22 p.m.-12:14 a.m.

1 stop9h 52m

C$ 445

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

6:45 p.m.-12:46 a.m.

1 stop7h 01m

San Antonio

Sat 18/4

4:43 p.m.-11:08 p.m.

1 stop5h 25m

C$ 508

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

12:42 p.m.-10:30 p.m.

1 stop10h 48m

San Antonio

Thu 19/3

6:13 a.m.-5:31 p.m.

1 stop10h 18m

C$ 545

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Tue 17/3

5:55 p.m.-10:18 a.m.

1 stop17h 23m

San Antonio

Tue 24/3

7:00 a.m.-9:18 p.m.

1 stop13h 18m

C$ 613

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 April. Flight prices, which tend to average around C$ 523, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in April, then September is your next best option. Flight prices from Region of Ontario to San Antonio during September average around C$ 599.

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 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$ 610 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$ 281 on momondo.

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

There is only 1 cabin class available to choose from on 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

Fastest flight time	3h 43m
Direct flights	Thu and Sat
Airports in San Antonio	1 airport

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

Direct flights go from Region of Ontario to San Antonio on Thursday 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

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 February 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 (100.00% of total bookings).

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$ 255	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
Air Canada	PriceFrom C$ 367	Free Cancellation	Rating 7.1 10,747 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 374	Free Cancellation	Rating 7.4 9,348 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 387	Free Cancellation	Rating 7.2 11,352 reviews	Search American Airlines flights
WestJet	PriceFrom C$ 488	Free Cancellation	Rating 7.2 3,275 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.