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

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

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

4 flights are operational weekly from San Antonio to Region of Ontario as of June 2026. The most popular departure day for this route is Tue, with 50% of flights per week taking off on this day.

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

Prices for flights from San Antonio Airport to Ontario refresh daily.

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

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 San Antonio Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 255 Cheap Flights from San Antonio to Ontario in 2026

Find the cheapest flights from San Antonio to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 a.m. - 1:20 p.m.

SAT

YYZ

3h 30mdirect

6:30 p.m. - 9:13 p.m.

YYZ

SAT

3h 43mdirect

C$ 536Air Canada

Thu, 9 Jul - Wed, 15 Jul

8:50 a.m. - 1:20 p.m.

SAT

YYZ

3h 30mdirect

6:30 p.m. - 9:13 p.m.

YYZ

SAT

3h 43mdirect

C$ 546Air Canada

Tue, 25 Aug - Fri, 28 Aug

8:50 a.m. - 1:20 p.m.

SAT

YYZ

3h 30mdirect

6:30 p.m. - 9:13 p.m.

YYZ

SAT

3h 43mdirect

C$ 573Air Canada

Thu, 9 Jul - Wed, 15 Jul

1:45 p.m. - 9:32 p.m.

SAT

YYZ

6h 47m

1 stop

6:30 p.m. - 9:13 p.m.

YYZ

SAT

3h 43mdirect

C$ 614Multiple Airlines

Mon, 7 Sep - Fri, 18 Sep

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

SAT

YYZ

5h 58m

1 stop

6:14 p.m. - 10:34 p.m.

YYZ

SAT

5h 20m

1 stop

C$ 617WestJet

Sat, 1 Aug - Wed, 5 Aug

12:10 p.m. - 7:02 p.m.

SAT

YYZ

5h 52m

1 stop

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

YYZ

SAT

5h 52m

1 stop

C$ 621United Airlines

Thu, 10 Sep - Sun, 13 Sep

11:29 a.m. - 11:25 p.m.

SAT

YUL

10h 56m

1 stop

6:47 p.m. - 12:20 a.m.

YUL

SAT

6h 33m

1 stop

C$ 786Delta

Wed, 8 Jul - Tue, 14 Jul

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

SAT

YUL

11h 00m

2 stops

11:23 a.m. - 11:55 p.m.

YUL

SAT

13h 32m

2 stops

C$ 807United Airlines

Sat, 18 Jul - Wed, 22 Jul

6:05 a.m. - 11:40 p.m.

SAT

YUL

16h 35m

1 stop

6:51 p.m. - 12:28 a.m.

YUL

SAT

6h 37m

1 stop

C$ 846WestJet

Sun, 26 Jul - Wed, 5 Aug

7:00 a.m. - 11:54 p.m.

SAT

YOW

15h 54m

1 stop

2:00 p.m. - 9:13 p.m.

YOW

SAT

8h 13m

1 stop

C$ 853Multiple Airlines

Thu, 6 Aug - Mon, 10 Aug

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Air Canada flights from San Antonio to Region of Ontario

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

Air Canada

9 Jul

SAT8:50 a.m.San Antonio

3h 30m

YYZ1:20 p.m.Toronto Pearson Intl

15 Jul

YYZ6:30 p.m.Toronto Pearson Intl

3h 43m

SAT9:13 p.m.San Antonio

C$ 536

Air Canada

25 Aug

SAT8:50 a.m.San Antonio

3h 30m

YYZ1:20 p.m.Toronto Pearson Intl

28 Aug

YYZ6:30 p.m.Toronto Pearson Intl

3h 43m

SAT9:13 p.m.San Antonio

C$ 546

Air Canada

9 Jul

SAT8:50 a.m.San Antonio

3h 30m

YYZ1:20 p.m.Toronto Pearson Intl

15 Jul

YYZ6:30 p.m.Toronto Pearson Intl

3h 43m

SAT9:13 p.m.San Antonio

C$ 573

Lufthansa flights from San Antonio to Region of Ontario

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

Lufthansa

9 Jul

SAT1:39 p.m.San Antonio

6h 53m

1 stop

YYZ9:32 p.m.Toronto Pearson Intl

15 Jul

YYZ11:00 a.m.Toronto Pearson Intl

6h 29m

1 stop

SAT4:29 p.m.San Antonio

C$ 650

Lufthansa

9 Jul

SAT5:32 p.m.San Antonio

5h 27m

1 stop

YYZ11:59 p.m.Toronto Pearson Intl

15 Jul

YYZ7:00 a.m.Toronto Pearson Intl

9h 39m

2 stops

SAT3:39 p.m.San Antonio

C$ 708

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 9/7

8:50 a.m.-1:20 p.m.

Nonstop3h 30m

Toronto Pearson Intl

Wed 15/7

6:30 p.m.-9:13 p.m.

Nonstop3h 43m

C$ 536

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 25/8

8:50 a.m.-1:20 p.m.

Nonstop3h 30m

Toronto Pearson Intl

Fri 28/8

6:30 p.m.-9:13 p.m.

Nonstop3h 43m

C$ 546

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 9/7

8:50 a.m.-1:20 p.m.

Nonstop3h 30m

Toronto Pearson Intl

Wed 15/7

6:30 p.m.-9:13 p.m.

Nonstop3h 43m

C$ 573

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 7/9

1:45 p.m.-9:32 p.m.

1 stop6h 47m

Toronto Pearson Intl

Fri 18/9

6:30 p.m.-9:13 p.m.

Nonstop3h 43m

C$ 614

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 1/8

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

1 stop5h 58m

Toronto Pearson Intl

Wed 5/8

6:14 p.m.-10:34 p.m.

1 stop5h 20m

C$ 617

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 10/9

12:10 p.m.-7:02 p.m.

1 stop5h 52m

Toronto Pearson Intl

Sun 13/9

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

1 stop5h 52m

C$ 621

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 8/7

11:29 a.m.-11:25 p.m.

1 stop10h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

6:47 p.m.-12:20 a.m.

1 stop6h 33m

C$ 786

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 18/7

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

2 stops11h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

11:23 a.m.-11:55 p.m.

2 stops13h 32m

C$ 807

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sun 26/7

6:05 a.m.-11:40 p.m.

1 stop16h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

6:51 p.m.-12:28 a.m.

1 stop6h 37m

C$ 846

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Thu 6/8

7:00 a.m.-11:54 p.m.

1 stop15h 54m

Ottawa

Mon 10/8

2:00 p.m.-9:13 p.m.

1 stop8h 13m

C$ 853

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 San Antonio to Region of Ontario

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 Region of Ontario?

In general, May is the cheapest month to fly from San Antonio to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 172. If you are unable to visit Region of Ontario during the month of May, then departing from San Antonio during the month March is also very affordable. Most momondo users find prices during this month for around C$ 184.

What is the cheapest San Antonio to Ontario flight route?

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

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

You are more likely to see cheaper flights to Region of Ontario from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 770 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from San Antonio for as low as C$ 413 on momondo.

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

There is only 1 cabin class available to choose from on San Antonio to Region of Ontario 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 San Antonio to Region of Ontario flights?

You could potentially save up to 68% on your flight if you consider stops on a San Antonio to Region of Ontario flight.

Cheap San Antonio to Region of Ontario flight deals and tips

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

Best price found	C$ 544
Fastest flight time	3h 30m
Direct flights	Wed, Fri and Sun
Airports in Region of Ontario	125 airports

The best flight deal from San Antonio to Region of Ontario found on momondo in the last 72 hours is C$ 544

The fastest flight from San Antonio to Region of Ontario takes 3h 30m

Direct flights go from San Antonio to Region of Ontario on Wednesday, Friday and Sunday. The only airline offering direct flights is Air Canada.

There are 125 airports in Region of Ontario. From San Antonio there are direct flights to Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from San Antonio to Ontario

When did momondo last update prices for flights from San Antonio Airport to Ontario?
Prices for flights from San Antonio Airport to Ontario refresh daily.
How old do you have to be to fly from San Antonio Airport to Ontario?
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 San Antonio Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Antonio to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Antonio to Region of Ontario is Airbus A220-300 (89.61% of total bookings). The next most popular plane models are Airbus A320-100/200 (5.19%), Airbus A321-100/200 (2.60%), and Embraer 195 E2 (2.60%).

Why use momondo?

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

Finding the right flight to Ontario from San Antonio is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to Ontario from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for San Antonio to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.