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 July 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 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 9h 30m.

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

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

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 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.

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 July 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$ 283 Cheap Flights from Ontario to San Antonio in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:10 a.m. - 12:11 p.m.

YUL

SAT

7h 01m

1 stop

7:00 a.m. - 2:40 p.m.

SAT

YUL

6h 40m

1 stop

C$ 484United Airlines

Tue, 6 Oct - Wed, 7 Oct

9:15 a.m. - 10:51 p.m.

YUL

SAT

14h 36m

2 stops

5:30 a.m. - 9:26 p.m.

SAT

YUL

14h 56m

2 stops

C$ 518United Airlines

Sat, 3 Oct - Sat, 10 Oct

9:45 a.m. - 7:20 p.m.

YUL

SAT

10h 35m

2 stops

6:35 a.m. - 7:45 p.m.

SAT

YUL

12h 10m

2 stops

C$ 519United Airlines

Tue, 6 Oct - Wed, 7 Oct

7:00 a.m. - 5:44 p.m.

YUL

SAT

11h 44m

1 stop

1:41 p.m. - 11:51 p.m.

SAT

YUL

9h 10m

1 stop

C$ 569Delta

Thu, 26 Nov - Thu, 3 Dec

7:00 a.m. - 5:11 p.m.

YUL

SAT

11h 11m

1 stop

5:15 a.m. - 11:56 a.m.

SAT

YUL

5h 41m

1 stop

C$ 570Delta

Fri, 28 Aug - Mon, 31 Aug

7:29 a.m. - 9:38 p.m.

YUL

SAT

15h 09m

1 stop

6:00 a.m. - 10:54 p.m.

SAT

YUL

15h 54m

1 stop

C$ 573American Airlines

Fri, 25 Sep - Sun, 27 Sep

6:45 a.m. - 5:15 p.m.

YUL

SAT

11h 30m

2 stops

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

SAT

YUL

17h 29m

1 stop

C$ 616WestJet

Tue, 6 Oct - Wed, 7 Oct

7:20 a.m. - 6:18 p.m.

YYZ

SAT

11h 58m

1 stop

7:28 a.m. - 6:30 p.m.

SAT

YYZ

10h 02m

1 stop

C$ 631American Airlines

Thu, 6 Aug - Tue, 11 Aug

9:50 a.m. - 8:56 a.m.

YYZ

SAT

24h 06m

1 stop

9:25 a.m. - 8:55 p.m.

SAT

YYZ

34h 30m

2 stops

C$ 691Multiple Airlines

Fri, 4 Sep - Thu, 17 Sep

6:55 a.m. - 10:22 p.m.

YOW

SAT

16h 27m

2 stops

5:15 a.m. - 5:35 a.m.

SAT

YOW

23h 20m

2 stops

C$ 1,165WestJet

Fri, 24 Jul - Tue, 28 Jul

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Delta flights from Region of Ontario to San Antonio

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

Delta

26 Nov

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

11h 44m

1 stop

SAT5:44 p.m.San Antonio

3 Dec

SAT1:41 p.m.San Antonio

9h 10m

1 stop

YUL11:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 569

Delta

28 Aug

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

11h 11m

1 stop

SAT5:11 p.m.San Antonio

31 Aug

SAT5:15 a.m.San Antonio

5h 41m

1 stop

YUL11:56 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 570

Delta

20 Dec

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

11h 18m

1 stop

SAT5:18 p.m.San Antonio

6 Jan

SAT8:00 a.m.San Antonio

8h 03m

1 stop

YUL5:03 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 661

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

25 Sep

YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl

15h 09m

1 stop

SAT9:38 p.m.San Antonio

27 Sep

SAT6:00 a.m.San Antonio

15h 54m

1 stop

YUL10:54 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 573

American Airlines

6 Aug

YYZ7:20 a.m.Toronto Pearson Intl

11h 58m

1 stop

SAT6:18 p.m.San Antonio

11 Aug

SAT7:28 a.m.San Antonio

10h 02m

1 stop

YYZ6:30 p.m.Toronto Pearson Intl

C$ 631

American Airlines

6 Aug

YYZ7:20 a.m.Toronto Pearson Intl

11h 58m

1 stop

SAT6:18 p.m.San Antonio

11 Aug

SAT7:28 a.m.San Antonio

10h 02m

1 stop

YYZ6:30 p.m.Toronto Pearson Intl

C$ 633

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

6:10 a.m.-12:11 p.m.

1 stop7h 01m

San Antonio

Wed 7/10

7:00 a.m.-2:40 p.m.

1 stop6h 40m

C$ 484

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

9:15 a.m.-10:51 p.m.

2 stops14h 36m

San Antonio

Sat 10/10

5:30 a.m.-9:26 p.m.

2 stops14h 56m

C$ 518

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

9:45 a.m.-7:20 p.m.

2 stops10h 35m

San Antonio

Wed 7/10

6:35 a.m.-7:45 p.m.

2 stops12h 10m

C$ 519

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

7:00 a.m.-5:44 p.m.

1 stop11h 44m

San Antonio

Thu 3/12

1:41 p.m.-11:51 p.m.

1 stop9h 10m

C$ 569

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

7:00 a.m.-5:11 p.m.

1 stop11h 11m

San Antonio

Mon 31/8

5:15 a.m.-11:56 a.m.

1 stop5h 41m

C$ 570

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

7:29 a.m.-9:38 p.m.

1 stop15h 09m

San Antonio

Sun 27/9

6:00 a.m.-10:54 p.m.

1 stop15h 54m

C$ 573

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

6:45 a.m.-5:15 p.m.

2 stops11h 30m

San Antonio

Wed 7/10

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

1 stop17h 29m

C$ 616

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 6/8

7:20 a.m.-6:18 p.m.

1 stop11h 58m

San Antonio

Tue 11/8

7:28 a.m.-6:30 p.m.

1 stop10h 02m

C$ 631

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 4/9

9:50 a.m.-8:56 a.m.

1 stop24h 06m

San Antonio

Thu 17/9

9:25 a.m.-8:55 p.m.

2 stops34h 30m

C$ 691

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 24/7

6:55 a.m.-10:22 p.m.

2 stops16h 27m

San Antonio

Tue 28/7

5:15 a.m.-5:35 a.m.

2 stops23h 20m

C$ 1,165

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 July. Flight prices, which tend to average around C$ 221, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in July, then September is your next best option. Flight prices from Region of Ontario to San Antonio during September average around C$ 246.

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

Our data shows that Friday is the least expensive day to fly to San Antonio. Tickets to fly out on this day can be as low as C$ 605. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is C$ 632.

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$ 619 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$ 515 on momondo.

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

There is only 1 cabin class 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$ 546
Fastest flight time	3h 40m
Direct flights	Tue, Thu and Sat
Airports in San Antonio	1 airport

The best flight deal from Region of Ontario to San Antonio found on momondo in the last 72 hours is C$ 546

The fastest flight from Region of Ontario to San Antonio takes 3h 40m

Direct flights go from Region of Ontario to San Antonio on Tuesday, 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

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 July 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 (97.53% of total bookings). The next most popular plane model is Airbus A220 (2.47%).

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$ 264	Free Cancellation	Rating 7.8 8,459 reviews	Search Delta flights
United Airlines	PriceFrom C$ 389	Free Cancellation	Rating 7.4 9,980 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 409	Free Cancellation	Rating 7.1 11,804 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 461	Free Cancellation	Rating 7.1 11,328 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 510	Free Cancellation	Rating 7.2 3,407 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.