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Cheap flights from San Antonio to Ontario from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Ontario departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 11:20 pm
SAT
-
YYZ
15h 50m2 stops
Multiple Airlines Logo
2:15 pm - 9:40 am
YYZ
-
SAT
20h 25m2 stops
$277Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
6:30 am - 11:20 pm
SAT
-
YYZ
15h 50m2 stops
Multiple Airlines Logo
7:15 am - 11:52 pm
YYZ
-
SAT
17h 37m1 stop
$280Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
6:30 am - 11:20 pm
SAT
-
YYZ
15h 50m2 stops
Multiple Airlines Logo
9:35 am - 1:11 pm
YYZ
-
SAT
28h 36m1 stop
$284Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
6:30 am - 11:20 pm
SAT
-
YYZ
15h 50m2 stops
Multiple Airlines Logo
7:15 am - 9:40 am
YYZ
-
SAT
27h 25m3 stops
$286Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
10:26 am - 11:20 pm
SAT
-
YYZ
11h 54m1 stop
Multiple Airlines Logo
6:30 am - 9:30 am
YYZ
-
SAT
28h 00m1 stop
$290Multiple Airlines
Tue, Apr 14 - Mon, Apr 20
Multiple Airlines Logo
10:26 am - 2:05 pm
SAT
-
YYZ
26h 39m1 stop
Multiple Airlines Logo
9:35 am - 9:30 am
YYZ
-
SAT
24h 55m1 stop
$292Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
6:49 am - 1:42 pm
SAT
-
YYZ
5h 53m1 stop
United Airlines Logo
3:53 pm - 10:59 pm
YYZ
-
SAT
8h 06m1 stop
$294United Airlines
Thu, Apr 16 - Thu, Apr 16
United Airlines Logo
7:00 am - 9:17 pm
SAT
-
YUL
13h 17m1 stop
United Airlines Logo
4:45 pm - 11:13 pm
YUL
-
SAT
7h 28m1 stop
$484United Airlines
Mon, Jan 12 - Wed, Jan 14
Delta Logo
6:30 am - 4:55 pm
SAT
-
YUL
9h 25m1 stop
Delta Logo
12:30 pm - 10:28 pm
YUL
-
SAT
10h 58m1 stop
$539Delta
Thu, Feb 5 - Sun, Mar 1
Air Canada Logo
7:25 am - 8:45 pm
SAT
-
YUL
12h 20m2 stops
Air Canada Logo
1:15 pm - 11:13 pm
YUL
-
SAT
10h 58m2 stops
$570Air Canada
Mon, Jan 12 - Wed, Jan 14

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 16
SAT6:02 pmSan Antonio
16h 17m
1 stop
YYZ11:19 amToronto Pearson Intl
Apr 17
YYZ2:45 pmToronto Pearson Intl
9h 08m
1 stop
SAT10:53 pmSan Antonio
$294
Find similar
United Airlines
Apr 15
SAT5:30 amSan Antonio
9h 16m
2 stops
YYZ3:46 pmToronto Pearson Intl
Apr 15
YYZ7:43 pmToronto Pearson Intl
16h 20m
1 stop
SAT11:03 amSan Antonio
$304
Find similar
United Airlines
Jan 12
SAT12:15 pmSan Antonio
5h 42m
1 stop
YYZ6:57 pmToronto Pearson Intl
Jan 14
YYZ5:30 pmToronto Pearson Intl
6h 43m
1 stop
SAT11:13 pmSan Antonio
$317
Find similar

WestJet flights from San Antonio to Region of Ontario

Our best WestJet deals on San Antonio to Region of Ontario flight tickets
WestJet
Jan 8
SAT6:30 amSan Antonio
8h 29m
1 stop
YYZ3:59 pmToronto Pearson Intl
Jan 14
YYZ10:15 pmToronto Pearson Intl
24h 19m
2 stops
SAT9:34 pmSan Antonio
$557
Find similar
WestJet
Dec 26
SAT4:06 pmSan Antonio
5h 44m
1 stop
YYZ10:50 pmToronto Pearson Intl
Dec 28
YYZ6:00 amToronto Pearson Intl
8h 10m
1 stop
SAT1:10 pmSan Antonio
$692
Find similar
WestJet
Dec 26
SAT6:40 amSan Antonio
11h 56m
2 stops
YYZ7:36 pmToronto Pearson Intl
Dec 28
YYZ10:15 pmToronto Pearson Intl
27h 23m
2 stops
SAT12:38 amSan Antonio
$802
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 25, 2025.
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

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 1/21

6:30 am-11:20 pm

2 stops15h 50m

Toronto Pearson Intl

Wed 1/28

2:15 pm-9:40 am

2 stops20h 25m

$277

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 1/20

6:30 am-11:20 pm

2 stops15h 50m

Toronto Pearson Intl

Tue 1/27

7:15 am-11:52 pm

1 stop17h 37m

$280

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 1/21

6:30 am-11:20 pm

2 stops15h 50m

Toronto Pearson Intl

Wed 1/28

9:35 am-1:11 pm

1 stop28h 36m

$284

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 1/21

6:30 am-11:20 pm

2 stops15h 50m

Toronto Pearson Intl

Wed 1/28

7:15 am-9:40 am

3 stops27h 25m

$286

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 4/14

10:26 am-11:20 pm

1 stop11h 54m

Toronto Pearson Intl

Mon 4/20

6:30 am-9:30 am

1 stop28h 00m

$290

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 4/14

10:26 am-2:05 pm

1 stop26h 39m

Toronto Pearson Intl

Tue 4/21

9:35 am-9:30 am

1 stop24h 55m

$292

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 4/16

6:49 am-1:42 pm

1 stop5h 53m

Toronto Pearson Intl

Thu 4/16

3:53 pm-10:59 pm

1 stop8h 06m

$294

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 1/12

7:00 am-9:17 pm

1 stop13h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

4:45 pm-11:13 pm

1 stop7h 28m

$484

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Thu 2/5

6:30 am-4:55 pm

1 stop9h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

12:30 pm-10:28 pm

1 stop10h 58m

$539

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 1/12

7:25 am-8:45 pm

2 stops12h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

1:15 pm-11:13 pm

2 stops10h 58m

$570

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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

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 $364. If you aren’t able to travel during the month of May, then book flights to Region of Ontario from San Antonio during March instead. Flights to Region of Ontario in March, while not as cheap as those in May, still average around $407.

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

According to our data, Friday is the cheapest day to fly to Region of Ontario from San Antonio. The lowest ticket price found for a Friday departure recently was $388. 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 $563. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from San Antonio to Region of Ontario at noon for as low as $384. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $563.

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 $479 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 $394 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

$563

Fastest flight time

3h 30m

Direct flights

Wed and Fri

Airports in Region of Ontario

123 airports
The best flight deal from San Antonio to Region of Ontario found on momondo in the last 72 hours is $563
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 and Friday. There are no airlines offering direct flights.
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?

  • 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?

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
DeltaPriceFrom $176Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $306Free CancellationRating
7.2
11,056 reviews
Search American Airlines flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
Air CanadaPriceFrom $362Free CancellationRating
7.1
10,555 reviews
Search Air Canada flights
WestJetPriceFrom $401Free CancellationRating
7.2
3,216 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.

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