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

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

What airlines fly to Region of Ontario?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Region of Ontario from San Antonio according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Ontario.

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

The required travel and health documents for your Ontario 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 Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$162 Cheap Flights from San Antonio to Ontario in 2026

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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.

10:22 am - 2:05 pm

SAT

YYZ

26h 43m

1 stop

6:30 am - 11:51 pm

YYZ

SAT

18h 21m

1 stop

$356Multiple Airlines

Tue, Apr 14 - Sun, Apr 19

10:22 am - 2:05 pm

SAT

YYZ

26h 43m

1 stop

6:30 am - 11:51 pm

YYZ

SAT

18h 21m

1 stop

$361Multiple Airlines

Tue, Apr 14 - Sun, Apr 19

10:22 am - 2:05 pm

SAT

YYZ

26h 43m

1 stop

9:45 am - 3:53 pm

YYZ

SAT

31h 08m

2 stops

$365Multiple Airlines

Tue, Apr 14 - Tue, Apr 21

4:00 pm - 11:13 pm

SAT

YUL

6h 13m

1 stop

12:48 pm - 10:17 pm

YUL

SAT

10h 29m

1 stop

$452Delta

Sat, Jun 6 - Fri, Jun 12

9:00 am - 4:22 pm

SAT

YUL

6h 22m

1 stop

1:10 pm - 9:13 pm

YUL

SAT

9h 03m

1 stop

$454Air Canada

Tue, Jul 7 - Mon, Jul 13

6:10 am - 1:52 pm

SAT

YUL

6h 42m

1 stop

2:32 pm - 11:56 pm

YUL

SAT

10h 24m

2 stops

$456American Airlines

Wed, May 6 - Wed, May 13

5:30 am - 9:26 pm

SAT

YUL

14h 56m

2 stops

6:00 am - 12:30 pm

YUL

SAT

7h 30m

1 stop

$457United Airlines

Sat, Jun 6 - Tue, Jun 16

2:00 pm - 9:26 pm

SAT

YUL

6h 26m

1 stop

6:10 am - 8:35 pm

YUL

SAT

15h 25m

2 stops

$458United Airlines

Tue, May 5 - Sat, May 9

9:00 am - 8:20 pm

SAT

YUL

10h 20m

2 stops

1:10 pm - 9:13 pm

YUL

SAT

9h 03m

1 stop

$459Air Canada

Sat, Jul 11 - Fri, Jul 17

2:30 pm - 11:42 pm

SAT

YUL

8h 12m

1 stop

7:00 am - 5:14 pm

YUL

SAT

11h 14m

1 stop

$463Delta

Sun, Jun 14 - Sun, Jun 21

WestJet flights from San Antonio to Region of Ontario

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

WestJet

Jun 26

SAT5:10 amSan Antonio

9h 09m

1 stop

YYZ3:19 pmToronto Pearson Intl

Jul 4

YYZ12:09 pmToronto Pearson Intl

11h 12m

1 stop

SAT10:21 pmSan Antonio

$402

WestJet

Jun 1

SAT4:15 pmSan Antonio

5h 44m

1 stop

YYZ10:59 pmToronto Pearson Intl

Jun 8

YYZ7:45 amToronto Pearson Intl

6h 36m

1 stop

SAT1:21 pmSan Antonio

$403

WestJet

Apr 17

SAT5:10 amSan Antonio

7h 14m

1 stop

YYZ1:24 pmToronto Pearson Intl

Apr 17

YYZ6:27 pmToronto Pearson Intl

7h 19m

1 stop

SAT12:46 amSan Antonio

$405

United Airlines flights from San Antonio to Region of Ontario

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

United Airlines

Apr 10

SAT5:35 pmSan Antonio

16h 05m

1 stop

YUL10:40 amMontreal Pierre Elliott Trudeau Intl

Apr 20

YUL6:10 amMontreal Pierre Elliott Trudeau Intl

17h 48m

1 stop

SAT10:58 pmSan Antonio

$452

United Airlines

Jun 6

SAT5:30 amSan Antonio

14h 56m

2 stops

YUL9:26 pmMontreal Pierre Elliott Trudeau Intl

Jun 16

YUL6:00 amMontreal Pierre Elliott Trudeau Intl

7h 30m

1 stop

SAT12:30 pmSan Antonio

$457

United Airlines

May 5

SAT2:00 pmSan Antonio

6h 26m

1 stop

YUL9:26 pmMontreal Pierre Elliott Trudeau Intl

May 9

YUL6:10 amMontreal Pierre Elliott Trudeau Intl

15h 25m

2 stops

SAT8:35 pmSan Antonio

$458

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 4/14

10:22 am-2:05 pm

1 stop26h 43m

Toronto Pearson Intl

Sun 4/19

6:30 am-11:51 pm

1 stop18h 21m

$356

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 4/14

10:22 am-2:05 pm

1 stop26h 43m

Toronto Pearson Intl

Sun 4/19

6:30 am-11:51 pm

1 stop18h 21m

$361

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 4/14

10:22 am-2:05 pm

1 stop26h 43m

Toronto Pearson Intl

Tue 4/21

9:45 am-3:53 pm

2 stops31h 08m

$365

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 6/6

4:00 pm-11:13 pm

1 stop6h 13m

Montreal Pierre Elliott Trudeau Intl

Fri 6/12

12:48 pm-10:17 pm

1 stop10h 29m

$452

Quickest round-trip

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 7/7

9:00 am-4:22 pm

1 stop6h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 7/13

1:10 pm-9:13 pm

1 stop9h 03m

$454

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 5/6

6:10 am-1:52 pm

1 stop6h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 5/13

2:32 pm-11:56 pm

2 stops10h 24m

$456

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 6/6

5:30 am-9:26 pm

2 stops14h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 6/16

6:00 am-12:30 pm

1 stop7h 30m

$457

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 5/5

2:00 pm-9:26 pm

1 stop6h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

6:10 am-8:35 pm

2 stops15h 25m

$458

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 7/11

9:00 am-8:20 pm

2 stops10h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 7/17

1:10 pm-9:13 pm

1 stop9h 03m

$459

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sun 6/14

2:30 pm-11:42 pm

1 stop8h 12m

Montreal Pierre Elliott Trudeau Intl

Sun 6/21

7:00 am-5:14 pm

1 stop11h 14m

$463

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

What is the cheapest month to fly to Region of Ontario?

The month of May is, on average, the cheapest month to fly to Region of Ontario from San Antonio, with most prices found around $418. If you aren’t able to travel during the month of May, then book flights to Region of Ontario from San Antonio during June instead. Flights to Region of Ontario in June, while not as cheap as those in May, still average around $430.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Saturday is the cheapest day to fly to Region of Ontario from San Antonio. The lowest ticket price found for a Saturday departure recently was $768. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Antonio to Region of Ontario on a Tuesday will generally be more expensive and average around $972. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 to Region of 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 $539 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 $380 on momondo.

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

There is only 1 cabin class available to choose from on San Antonio to 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 45% 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	$299
Fastest flight time	3h 30m
Direct flights	Wed, Fri and Sun
Airports in Region of Ontario	123 airports

The best one-way flight to Region of Ontario from San Antonio in the past 72 hours is $299. The best round-trip flight deal from San Antonio to Region of Ontario found on momondo in the last 72 hours is $684.

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

Search flight deals

When did momondo last update prices for flights from San Antonio Airport to Ontario?
Prices for flights from San Antonio Airport to Ontario are updated daily.
How many operators does momondo search for flights from San Antonio Airport to Ontario?
The number of operators available for flights from San Antonio Airport to Ontario is 5 as of March 2026.
How old do you have to be to fly from San Antonio Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario 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 Ontario. 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 San Antonio to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from San Antonio to Region of Ontario is Airbus A220-300, representing 90.91% of all bookings. The subsequent popular model is Airbus A320-100/200 at 9.09%.

Best airlines flying from San Antonio to Region of Ontario

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $170	Free Cancellation	Rating 7.1 10,844 reviews	Search Air Canada flights
Delta	PriceFrom $176	Free Cancellation	Rating 7.9 8,340 reviews	Search Delta flights
American Airlines	PriceFrom $306	Free Cancellation	Rating 7.1 11,507 reviews	Search American Airlines flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.4 9,491 reviews	Search United Airlines flights
WestJet	PriceFrom $406	Free Cancellation	Rating 7.2 3,302 reviews	Search WestJet flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Ontario. momondo saves you time and could save you money on your trip.

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?

Once all potential San Antonio to Ontario 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 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.