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

American Airlines, Air Canada, and Delta 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 43% 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.

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

As of August 2026, 6 flights take off from San Antonio and land in Region of Ontario each week. The most common flight departure day for this route is Tue, with 33% of weekly flights 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 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 August 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.

$90 Cheap Flights from San Antonio to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Ontario

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:38 am - 4:47 pmSAT San Antonio-YYZ Toronto Pearson Intl

9h 09m1 stop Washington, D.C. Reagan-National

6:21 pm - 11:59 pmYYZ Toronto Pearson Intl-SAT San Antonio

6h 38m1 stop Dallas/Fort Worth

$238American Airlines

Sat, Oct 17 - Wed, Oct 21

6:11 am - 1:26 pmSAT San Antonio-YYZ Toronto Pearson Intl

6h 15m1 stop Washington, D.C. Reagan-National

6:15 am - 11:32 amYYZ Toronto Pearson Intl-SAT San Antonio

6h 17m1 stop Charlotte Douglas

$238American Airlines

Wed, Aug 26 - Mon, Aug 31

9:00 am - 1:30 pmSAT San Antonio-YYZ Toronto Pearson Intl

3h 30mnonstop

6:30 pm - 9:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$256Air Canada

Sat, Oct 17 - Wed, Oct 21

9:00 am - 1:30 pmSAT San Antonio-YYZ Toronto Pearson Intl

3h 30mnonstop

6:30 pm - 9:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$256Air Canada

Thu, Oct 8 - Mon, Oct 12

12:05 pm - 10:36 pmSAT San Antonio-YYZ Toronto Pearson Intl

9h 31m1 stop Houston George Bush Intcntl

11:00 am - 4:31 pmYYZ Toronto Pearson Intl-SAT San Antonio

6h 31m1 stop Chicago O'Hare Intl

$299Lufthansa

Thu, Sep 10 - Fri, Sep 18

6:30 am - 1:42 pmSAT San Antonio-YYZ Toronto Pearson Intl

6h 12m1 stop Chicago O'Hare Intl

3:53 pm - 10:44 pmYYZ Toronto Pearson Intl-SAT San Antonio

7h 51m1 stop Houston George Bush Intcntl

$300United Airlines

Tue, Sep 22 - Tue, Sep 22

6:35 am - 8:44 pmSAT San Antonio-YYZ Toronto Pearson Intl

13h 09m1 stop Chicago O'Hare Intl

6:30 pm - 9:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$309Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

6:30 am - 1:42 pmSAT San Antonio-YYZ Toronto Pearson Intl

6h 12m1 stop Chicago O'Hare Intl

3:53 pm - 10:44 pmYYZ Toronto Pearson Intl-SAT San Antonio

7h 51m1 stop Houston George Bush Intcntl

$311United Airlines

Tue, Sep 15 - Tue, Sep 15

5:15 am - 3:15 pmSAT San Antonio-YYZ Toronto Pearson Intl

9h 00m1 stop Detroit Metropolitan Wayne County

7:45 am - 5:01 pmYYZ Toronto Pearson Intl-SAT San Antonio

10h 16m1 stop Atlanta Hartsfield-Jackson

$324Delta

Wed, Sep 30 - Sat, Oct 3

1:55 pm - 9:59 pmSAT San Antonio-YYZ Toronto Pearson Intl

7h 04m1 stop Atlanta Hartsfield-Jackson

2:24 pm - 10:44 pmYYZ Toronto Pearson Intl-SAT San Antonio

9h 20m1 stop Detroit Metropolitan Wayne County

$324Delta

Thu, Sep 17 - Mon, Sep 21

Cheap last minute flights

Enter your travel dates to find the best prices.

9:32 pm - 8:55 pmSAT San Antonio-YYZ Toronto Pearson Intl

22h 23m1 stop Guadalajara Miguel Hidal

6:30 am - 8:45 amYYZ Toronto Pearson Intl-SAT San Antonio

27h 15m2 stops Fort Lauderdale Raleigh-Durham

$595Multiple Airlines

Wed, Aug 19 - Sat, Sep 12

6:00 am - 2:44 pmSAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

7h 44m1 stop Dallas/Fort Worth

2:30 pm - 9:15 pmYUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

7h 45m1 stop Charlotte Douglas

$618American Airlines

Mon, Aug 17 - Wed, Aug 19

12:40 pm - 10:53 pmSAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

9h 13m2 stops Dallas/Fort Worth Charlotte Douglas

5:34 pm - 12:48 amYUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

8h 14m1 stop Chicago O'Hare Intl

$628American Airlines

Mon, Aug 17 - Wed, Aug 19

11:29 am - 11:30 pmSAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

11h 01m1 stop Detroit Metropolitan Wayne County

6:00 am - 3:54 pmYUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

10h 54m1 stop Detroit Metropolitan Wayne County

$629Delta

Wed, Aug 19 - Sun, Aug 23

9:32 pm - 8:55 pmSAT San Antonio-YYZ Toronto Pearson Intl

22h 23m1 stop Guadalajara Miguel Hidal

10:00 am - 2:20 pmYYZ Toronto Pearson Intl-SAT San Antonio

29h 20m2 stops Calgary Las Vegas Harry Reid Intl

$687Multiple Airlines

Mon, Aug 17 - Tue, Sep 15

10:46 am - 5:19 pmSAT San Antonio-YYZ Toronto Pearson Intl

5h 33m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:39 amYYZ Toronto Pearson Intl-SAT San Antonio

5h 39m1 stop Detroit Metropolitan Wayne County

$734Delta

Tue, Aug 18 - Wed, Sep 16

2:43 pm - 7:05 amSAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

15h 22m2 stops Atlanta Hartsfield-Jackson Calgary

8:00 pm - 6:46 pmYUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

23h 46m2 stops Calgary Atlanta Hartsfield-Jackson

$741WestJet

Wed, Aug 19 - Sun, Aug 23

12:15 pm - 11:54 pmSAT San Antonio-YYZ Toronto Pearson Intl

10h 39m1 stop Washington, D.C. Dulles Intl

6:30 pm - 9:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$809United Airlines

Tue, Aug 18 - Wed, Sep 16

12:15 pm - 11:54 pmSAT San Antonio-YYZ Toronto Pearson Intl

10h 39m1 stop Washington, D.C. Dulles Intl

6:30 pm - 9:13 pmYYZ Toronto Pearson Intl-SAT San Antonio

3h 43mnonstop

$809United Airlines

Sat, Aug 15 - Wed, Sep 16

12:39 pm - 4:40 pmSAT San Antonio-YYZ Toronto Pearson Intl

27h 01m1 stop Salt Lake City

10:00 am - 9:29 pmYYZ Toronto Pearson Intl-SAT San Antonio

12h 29m2 stops Calgary Minneapolis St Paul

$822WestJet

Mon, Aug 17 - Wed, Aug 19

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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

Sep 22

SAT6:30 amSan Antonio

6h 12m

1 stop

YYZ1:42 pmToronto Pearson Intl

Sep 22

YYZ3:53 pmToronto Pearson Intl

7h 51m

1 stop

SAT10:44 pmSan Antonio

$300

United Airlines

Nov 23

SAT11:45 amSan Antonio

11h 07m

2 stops

YYZ11:52 pmToronto Pearson Intl

Nov 26

YYZ6:10 amToronto Pearson Intl

8h 06m

1 stop

SAT1:16 pmSan Antonio

$329

United Airlines

Sep 9

SAT2:15 pmSan Antonio

8h 44m

2 stops

YYZ11:59 pmToronto Pearson Intl

Sep 16

YYZ3:53 pmToronto Pearson Intl

6h 23m

1 stop

SAT9:16 pmSan Antonio

$334

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

Oct 17

SAT9:00 amSan Antonio

3h 30m

YYZ1:30 pmToronto Pearson Intl

Oct 21

YYZ6:30 pmToronto Pearson Intl

3h 43m

SAT9:13 pmSan Antonio

$256

Air Canada

Oct 8

SAT9:00 amSan Antonio

3h 30m

YYZ1:30 pmToronto Pearson Intl

Oct 12

YYZ6:30 pmToronto Pearson Intl

3h 43m

SAT9:13 pmSan Antonio

$264

Air Canada

Sep 10

SAT8:50 amSan Antonio

3h 30m

YYZ1:20 pmToronto Pearson Intl

Sep 16

YYZ6:30 pmToronto Pearson Intl

3h 43m

SAT9:13 pmSan Antonio

$265

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Sat 10/17

6:38 am-4:47 pm

1 stop9h 09m

Toronto Pearson Intl

Wed 10/21

6:21 pm-11:59 pm

1 stop6h 38m

$238

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Wed 8/26

6:11 am-1:26 pm

1 stop6h 15m

Toronto Pearson Intl

Mon 8/31

6:15 am-11:32 am

1 stop6h 17m

$238

Quickest round-trip

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Sat 10/17

9:00 am-1:30 pm

Nonstop3h 30m

Toronto Pearson Intl

Wed 10/21

6:30 pm-9:13 pm

Nonstop3h 43m

$256

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Thu 10/8

9:00 am-1:30 pm

Nonstop3h 30m

Toronto Pearson Intl

Mon 10/12

6:30 pm-9:13 pm

Nonstop3h 43m

$256

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Thu 9/10

12:05 pm-10:36 pm

1 stop9h 31m

Toronto Pearson Intl

Fri 9/18

11:00 am-4:31 pm

1 stop6h 31m

$299

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Tue 9/22

6:30 am-1:42 pm

1 stop6h 12m

Toronto Pearson Intl

Tue 9/22

3:53 pm-10:44 pm

1 stop7h 51m

$300

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Sat 10/17

6:35 am-8:44 pm

1 stop13h 09m

Toronto Pearson Intl

Wed 10/21

6:30 pm-9:13 pm

Nonstop3h 43m

$309

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Tue 9/15

6:30 am-1:42 pm

1 stop6h 12m

Toronto Pearson Intl

Tue 9/15

3:53 pm-10:44 pm

1 stop7h 51m

$311

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Wed 9/30

5:15 am-3:15 pm

1 stop9h 00m

Toronto Pearson Intl

Sat 10/3

7:45 am-5:01 pm

1 stop10h 16m

$324

San AntonioToronto

SAT San Antonio - YYZ Toronto Pearson Intl

SATYYZ

San Antonio

Thu 9/17

1:55 pm-9:59 pm

1 stop7h 04m

Toronto Pearson Intl

Mon 9/21

2:24 pm-10:44 pm

1 stop9h 20m

$324

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?

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 $428.

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 $406. 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 $1,102. 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 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 $537 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 $121 on momondo.

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	$250
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 $250. The best round-trip flight deal from San Antonio to Region of Ontario found on momondo in the last 72 hours is $404.

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 August 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 82.14% of all bookings. The subsequent popular models are Airbus A320-100/200 at 7.14%, Embraer 195 E2 at 5.36%, and Airbus A321-100/200 at 3.57%.

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 $190	Free Cancellation	Rating 7.1 11,470 reviews	Search Air Canada flights
Delta	PriceFrom $203	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
United Airlines	PriceFrom $289	Free Cancellation	Rating 7.4 10,112 reviews	Search United Airlines flights
WestJet	PriceFrom $392	Free Cancellation	Rating 7.2 3,433 reviews	Search WestJet flights
American Airlines	PriceFrom $480	Free Cancellation	Rating 7.1 11,924 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.