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

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

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United 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 41% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 6 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 October 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.

$136 Cheap Flights from San Antonio to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

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 am - 1:20 pmSAT San Antonio-YYZ Toronto Pearson Intl

3h 30mnonstop

7:30 pm - 10:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$341Air Canada

Sat, Oct 17 - Wed, Oct 21

5:30 am - 3:14 pmSAT San Antonio-YYZ Toronto Pearson Intl

8h 44m1 stop Denver Intl

7:30 pm - 10:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$351Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

4:17 pm - 9:19 amSAT San Antonio-YYZ Toronto Pearson Intl

16h 02m2 stops Houston George Bush Intcntl Newark

7:30 pm - 10:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$357Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

4:00 pm - 10:57 pmSAT San Antonio-YYZ Toronto Pearson Intl

5h 57m1 stop Detroit Metropolitan Wayne County

6:10 pm - 10:54 pmYYZ Toronto Pearson Intl-SAT San Antonio

5h 44m1 stop Detroit Metropolitan Wayne County

$364WestJet

Thu, Nov 12 - Thu, Nov 19

5:30 am - 11:19 amSAT San Antonio-YYZ Toronto Pearson Intl

4h 49m1 stop Detroit Metropolitan Wayne County

6:10 pm - 10:54 pmYYZ Toronto Pearson Intl-SAT San Antonio

5h 44m1 stop Detroit Metropolitan Wayne County

$364WestJet

Wed, Nov 11 - Wed, Nov 18

5:30 am - 4:15 pmSAT San Antonio-YYZ Toronto Pearson Intl

9h 45m1 stop Atlanta Hartsfield-Jackson

2:20 pm - 10:54 pmYYZ Toronto Pearson Intl-SAT San Antonio

9h 34m1 stop Detroit Metropolitan Wayne County

$365Delta

Fri, Nov 20 - Wed, Nov 25

5:30 am - 11:19 amSAT San Antonio-YYZ Toronto Pearson Intl

4h 49m1 stop Detroit Metropolitan Wayne County

2:20 pm - 10:54 pmYYZ Toronto Pearson Intl-SAT San Antonio

9h 34m1 stop Detroit Metropolitan Wayne County

$367Delta

Tue, Nov 24 - Mon, Nov 30

6:00 am - 1:06 pmSAT San Antonio-YYZ Toronto Pearson Intl

6h 06m1 stop Dallas/Fort Worth

12:40 pm - 8:30 pmYYZ Toronto Pearson Intl-SAT San Antonio

8h 50m1 stop Washington, D.C. Reagan-National

$367American Airlines

Tue, Dec 8 - Sun, Dec 13

8:04 am - 2:40 pmSAT San Antonio-YYZ Toronto Pearson Intl

5h 36m1 stop Chicago O'Hare Intl

7:15 am - 12:38 pmYYZ Toronto Pearson Intl-SAT San Antonio

6h 23m1 stop Charlotte Douglas

$367American Airlines

Thu, Jan 21 - Mon, Jan 25

8:50 am - 1:20 pmSAT San Antonio-YYZ Toronto Pearson Intl

3h 30mnonstop

7:30 pm - 10:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$367Air Canada

Sat, Oct 17 - Wed, Oct 21

Cheap last minute flights

Enter your travel dates to find the best prices.

8:56 pm - 8:55 pmSAT San Antonio-YYZ Toronto Pearson Intl

22h 59m2 stops Mexico City Benito Juarez Guadalajara Miguel Hidal

12:25 pm - 5:10 pmYYZ Toronto Pearson Intl-SAT San Antonio

5h 45m1 stop Minneapolis St Paul

$768Multiple Airlines

Fri, Oct 2 - Sun, Oct 4

8:35 pm - 8:55 pmSAT San Antonio-YYZ Toronto Pearson Intl

23h 20m1 stop Guadalajara Miguel Hidal

8:00 pm - 9:43 amYYZ Toronto Pearson Intl-SAT San Antonio

14h 43m2 stops Calgary Atlanta Hartsfield-Jackson

$772Multiple Airlines

Wed, Oct 7 - Sat, Oct 10

8:35 pm - 8:55 pmSAT San Antonio-YYZ Toronto Pearson Intl

23h 20m1 stop Guadalajara Miguel Hidal

12:25 pm - 5:10 pmYYZ Toronto Pearson Intl-SAT San Antonio

5h 45m1 stop Minneapolis St Paul

$772Multiple Airlines

Fri, Oct 2 - Sun, Oct 4

8:35 pm - 8:55 pmSAT San Antonio-YYZ Toronto Pearson Intl

23h 20m1 stop Guadalajara Miguel Hidal

6:30 am - 11:40 amYYZ Toronto Pearson Intl-SAT San Antonio

6h 10m1 stop Minneapolis St Paul

$775Multiple Airlines

Wed, Oct 7 - Sat, Oct 10

8:56 pm - 8:55 pmSAT San Antonio-YYZ Toronto Pearson Intl

22h 59m2 stops Mexico City Benito Juarez Guadalajara Miguel Hidal

6:10 pm - 10:44 pmYYZ Toronto Pearson Intl-SAT San Antonio

5h 34m1 stop Detroit Metropolitan Wayne County

$778Multiple Airlines

Fri, Oct 2 - Sun, Oct 4

7:50 am - 5:45 amSAT San Antonio-YYZ Toronto Pearson Intl

20h 55m2 stops Los Angeles Calgary

6:10 am - 9:10 pmYYZ Toronto Pearson Intl-SAT San Antonio

16h 00m2 stops Edmonton Minneapolis St Paul

$872WestJet

Wed, Oct 7 - Sat, Oct 10

12:10 pm - 6:57 pmSAT San Antonio-YTZ Toronto Island

5h 47m1 stop Washington, D.C. Dulles Intl

3:15 pm - 8:38 pmYTZ Toronto Island-SAT San Antonio

6h 23m1 stop Washington, D.C. Dulles Intl

$1,086Air Canada

Wed, Oct 7 - Sat, Oct 10

5:15 am - 11:18 amSAT San Antonio-YYZ Toronto Pearson Intl

5h 03m1 stop Detroit Metropolitan Wayne County

6:10 pm - 10:44 pmYYZ Toronto Pearson Intl-SAT San Antonio

5h 34m1 stop Detroit Metropolitan Wayne County

$1,102WestJet

Fri, Oct 2 - Sun, Oct 4

12:10 pm - 6:57 pmSAT San Antonio-YTZ Toronto Island

5h 47m1 stop Washington, D.C. Dulles Intl

3:15 pm - 8:38 pmYTZ Toronto Island-SAT San Antonio

6h 23m1 stop Washington, D.C. Dulles Intl

$1,122Air Canada

Fri, Oct 2 - Sun, Oct 4

12:10 pm - 6:57 pmSAT San Antonio-YTZ Toronto Island

5h 47m1 stop Washington, D.C. Dulles Intl

3:15 pm - 8:38 pmYTZ Toronto Island-SAT San Antonio

6h 23m1 stop Washington, D.C. Dulles Intl

$1,329Air Canada

Fri, Oct 2 - Sun, Oct 4

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WestJet flights from San Antonio to Region of Ontario

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

WestJet

Oct 25

SAT5:15 amSan Antonio

5h 04m

1 stop

YYZ11:19 amToronto Pearson Intl

Nov 1

YYZ5:49 pmToronto Pearson Intl

7h 41m

1 stop

SAT12:30 amSan Antonio

$364

WestJet

Oct 12

SAT5:30 amSan Antonio

5h 49m

1 stop

YYZ12:19 pmToronto Pearson Intl

Oct 15

YYZ5:49 pmToronto Pearson Intl

7h 41m

1 stop

SAT12:30 amSan Antonio

$370

WestJet

Nov 24

SAT6:40 amSan Antonio

8h 19m

1 stop

YYZ3:59 pmToronto Pearson Intl

Nov 30

YYZ9:35 amToronto Pearson Intl

15h 28m

2 stops

SAT12:03 amSan Antonio

$372

Delta flights from San Antonio to Region of Ontario

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

Delta

Nov 20

SAT5:30 amSan Antonio

9h 45m

1 stop

YYZ4:15 pmToronto Pearson Intl

Nov 25

YYZ2:20 pmToronto Pearson Intl

9h 34m

1 stop

SAT10:54 pmSan Antonio

$365

Delta

Oct 11

SAT5:15 amSan Antonio

5h 04m

1 stop

YYZ11:19 amToronto Pearson Intl

Oct 14

YYZ6:33 pmToronto Pearson Intl

7h 00m

1 stop

SAT12:33 amSan Antonio

$367

Delta

Oct 23

SAT11:36 amSan Antonio

10h 20m

1 stop

YYZ10:56 pmToronto Pearson Intl

Oct 26

YYZ1:34 pmToronto Pearson Intl

9h 14m

1 stop

SAT9:48 pmSan Antonio

$377

momondo Fare Finder

Use the filters below to find and compare flights from San Antonio to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Sat 10/17

8:50 am-1:20 pm

Nonstop3h 30m

Toronto Pearson Intl

Wed 10/21

7:30 pm-10:13 pm

Nonstop3h 43m

$341

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Sat 10/17

5:30 am-3:14 pm

1 stop8h 44m

Toronto Pearson Intl

Wed 10/21

7:30 pm-10:13 pm

Nonstop3h 43m

$351

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Sat 10/17

4:17 pm-9:19 am

2 stops16h 02m

Toronto Pearson Intl

Wed 10/21

7:30 pm-10:13 pm

Nonstop3h 43m

$357

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Thu 11/12

4:00 pm-10:57 pm

1 stop5h 57m

Toronto Pearson Intl

Thu 11/19

6:10 pm-10:54 pm

1 stop5h 44m

$364

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Wed 11/11

5:30 am-11:19 am

1 stop4h 49m

Toronto Pearson Intl

Wed 11/18

6:10 pm-10:54 pm

1 stop5h 44m

$364

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Fri 11/20

5:30 am-4:15 pm

1 stop9h 45m

Toronto Pearson Intl

Wed 11/25

2:20 pm-10:54 pm

1 stop9h 34m

$365

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Tue 11/24

5:30 am-11:19 am

1 stop4h 49m

Toronto Pearson Intl

Mon 11/30

2:20 pm-10:54 pm

1 stop9h 34m

$367

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Tue 12/8

6:00 am-1:06 pm

1 stop6h 06m

Toronto Pearson Intl

Sun 12/13

12:40 pm-8:30 pm

1 stop8h 50m

$367

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Thu 1/21

8:04 am-2:40 pm

1 stop5h 36m

Toronto Pearson Intl

Mon 1/25

7:15 am-12:38 pm

1 stop6h 23m

$367

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Sat 10/17

8:50 am-1:20 pm

Nonstop3h 30m

Toronto Pearson Intl

Wed 10/21

7:30 pm-10:13 pm

Nonstop3h 43m

$367

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 July is, on average, the cheapest month to fly to Region of Ontario from San Antonio, with most prices found around $342. If you aren’t able to travel during the month of July, 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 July, still average around $422.

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

According to our data, Tuesday is the cheapest day to fly to Region of Ontario from San Antonio. The lowest ticket price found for a Tuesday departure recently was $407. 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 Saturday will generally be more expensive and average around $982. 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

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

There are 4 cabin classes 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?

No. A direct flight is the cheapest option for a flight between San Antonio to Region of Ontario.

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	$136
Fastest flight time	3h 30m
Direct flights	Wed, Fri and Sun
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from San Antonio in the past 72 hours is $136. The best round-trip flight deal from San Antonio to Region of Ontario found on momondo in the last 72 hours is $341.

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 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 October 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 77.36% of all bookings. The subsequent popular models are Embraer 195 E2 at 9.43%, Airbus A320-100/200 at 7.55%, and Airbus A321-100/200 at 3.77%.

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 $177	Free Cancellation	Rating 7.1 11,706 reviews	Search Air Canada flights
Delta	PriceFrom $203	Free Cancellation	Rating 7.8 8,615 reviews	Search Delta flights
United Airlines	PriceFrom $289	Free Cancellation	Rating 7.4 10,270 reviews	Search United Airlines flights
WestJet	PriceFrom $362	Free Cancellation	Rating 7.2 3,448 reviews	Search WestJet flights
American Airlines	PriceFrom $476	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines 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.