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

United Airlines, Iberia, and American Airlines 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?

6 flights are operational weekly from San Antonio to Region of Ontario as of May 2026. The most popular departure day for this route is Tue, with 33% 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$ 250 Cheap Flights from San Antonio to Ontario in 2026

1 adult

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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.

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

SAT

YOW

15h 54m

1 stop

6:00 a.m. - 10:59 a.m.

YOW

SAT

5h 59m

1 stop

C$ 578United Airlines

Wed, 17 Jun - Wed, 24 Jun

6:04 a.m. - 2:30 p.m.

SAT

YYZ

7h 26m

1 stop

7:24 p.m. - 9:10 a.m.

YYZ

SAT

14h 46m

1 stop

C$ 591American Airlines

Tue, 2 Jun - Tue, 9 Jun

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

SAT

YOW

15h 54m

1 stop

6:05 a.m. - 10:58 p.m.

YOW

SAT

17h 53m

2 stops

C$ 592United Airlines

Wed, 17 Jun - Wed, 24 Jun

5:57 p.m. - 10:03 a.m.

SAT

YOW

15h 06m

2 stops

7:30 p.m. - 8:27 a.m.

YOW

SAT

13h 57m

2 stops

C$ 599United Airlines

Wed, 17 Jun - Wed, 24 Jun

9:00 a.m. - 1:30 p.m.

SAT

YYZ

3h 30mdirect

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

YYZ

SAT

3h 43mdirect

C$ 600Air Canada

Sat, 27 Jun - Fri, 3 Jul

7:26 a.m. - 5:21 p.m.

SAT

YYZ

8h 55m

1 stop

6:15 a.m. - 12:55 p.m.

YYZ

SAT

7h 40m

1 stop

C$ 604American Airlines

Mon, 15 Jun - Sun, 21 Jun

8:30 a.m. - 1:00 p.m.

SAT

YYZ

3h 30mdirect

6:35 p.m. - 9:18 p.m.

YYZ

SAT

3h 43mdirect

C$ 614Air Canada

Thu, 28 May - Mon, 1 Jun

5:00 a.m. - 2:44 p.m.

SAT

YUL

8h 44m

1 stop

3:45 p.m. - 10:55 p.m.

YUL

SAT

8h 10m

1 stop

C$ 614American Airlines

Tue, 8 Sep - Wed, 30 Sep

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

SAT

YYZ

6h 02m

1 stop

6:05 a.m. - 10:35 a.m.

YYZ

SAT

5h 30m

1 stop

C$ 634Delta

Fri, 26 Jun - Mon, 6 Jul

12:50 p.m. - 11:10 p.m.

SAT

YUL

9h 20m

1 stop

6:00 a.m. - 2:57 p.m.

YUL

SAT

9h 57m

1 stop

C$ 659Delta

Sat, 5 Sep - Mon, 14 Sep

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

27 Jun

SAT9:00 a.m.San Antonio

3h 30m

YYZ1:30 p.m.Toronto Pearson Intl

3 Jul

YYZ6:30 p.m.Toronto Pearson Intl

3h 43m

SAT9:13 p.m.San Antonio

C$ 600

Air Canada

28 May

SAT8:30 a.m.San Antonio

3h 30m

YYZ1:00 p.m.Toronto Pearson Intl

1 Jun

YYZ6:35 p.m.Toronto Pearson Intl

3h 43m

SAT9:18 p.m.San Antonio

C$ 614

Air Canada

16 Jul

SAT8:50 a.m.San Antonio

3h 30m

YYZ1:20 p.m.Toronto Pearson Intl

22 Jul

YYZ6:30 p.m.Toronto Pearson Intl

3h 43m

SAT9:13 p.m.San Antonio

C$ 615

Delta flights from San Antonio to Region of Ontario

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

Delta

26 Jun

SAT4:00 p.m.San Antonio

6h 02m

1 stop

YYZ11:02 p.m.Toronto Pearson Intl

6 Jul

YYZ6:05 a.m.Toronto Pearson Intl

5h 30m

1 stop

SAT10:35 a.m.San Antonio

C$ 634

Delta

5 Sep

SAT12:50 p.m.San Antonio

9h 20m

1 stop

YUL11:10 p.m.Montreal Pierre Elliott Trudeau Intl

14 Sep

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

9h 57m

1 stop

SAT2:57 p.m.San Antonio

C$ 659

Delta

1 Jul

SAT5:15 a.m.San Antonio

9h 04m

1 stop

YYZ3:19 p.m.Toronto Pearson Intl

6 Jul

YYZ7:45 a.m.Toronto Pearson Intl

10h 29m

1 stop

SAT5:14 p.m.San Antonio

C$ 678

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Wed 17/6

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

1 stop15h 54m

Ottawa

Wed 24/6

6:00 a.m.-10:59 a.m.

1 stop5h 59m

C$ 578

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 2/6

6:04 a.m.-2:30 p.m.

1 stop7h 26m

Toronto Pearson Intl

Tue 9/6

7:24 p.m.-9:10 a.m.

1 stop14h 46m

C$ 590

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Wed 17/6

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

1 stop15h 54m

Ottawa

Wed 24/6

6:05 a.m.-10:58 p.m.

2 stops17h 53m

C$ 592

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Wed 17/6

5:57 p.m.-10:03 a.m.

2 stops15h 06m

Ottawa

Wed 24/6

7:30 p.m.-8:27 a.m.

2 stops13h 57m

C$ 599

Quickest round-trip

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 27/6

9:00 a.m.-1:30 p.m.

Nonstop3h 30m

Toronto Pearson Intl

Fri 3/7

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

Nonstop3h 43m

C$ 600

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 15/6

7:26 a.m.-5:21 p.m.

1 stop8h 55m

Toronto Pearson Intl

Sun 21/6

6:15 a.m.-12:55 p.m.

1 stop7h 40m

C$ 604

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 28/5

8:30 a.m.-1:00 p.m.

Nonstop3h 30m

Toronto Pearson Intl

Mon 1/6

6:35 p.m.-9:18 p.m.

Nonstop3h 43m

C$ 614

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 8/9

5:00 a.m.-2:44 p.m.

1 stop8h 44m

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

3:45 p.m.-10:55 p.m.

1 stop8h 10m

C$ 614

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 26/6

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

1 stop6h 02m

Toronto Pearson Intl

Mon 6/7

6:05 a.m.-10:35 a.m.

1 stop5h 30m

C$ 634

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 5/9

12:50 p.m.-11:10 p.m.

1 stop9h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

6:00 a.m.-2:57 p.m.

1 stop9h 57m

C$ 659

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$ 165. 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$ 177.

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$ 741 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$ 518 on momondo.

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

Fastest flight time	3h 30m
Direct flights	Wed, Fri and Sun
Airports in Region of Ontario	125 airports

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. There are no airlines offering direct flights.

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 (89.83% of total bookings). The next most popular plane models are Airbus A320-100/200 (6.78%) and Embraer 195 E2 (3.39%).

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.