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Cheap flights from Ontario to San Antonio from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Antonio departing on 11/9. 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 Ontario to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 11:40 pmYYZ-SAT
18h 10m2 stops
Multiple Airlines Logo
7:35 pm - 2:40 pmSAT-YYZ
18h 05m1 stop
$301Multiple Airlines
Find Deal
Thu, Oct 23 - Thu, Oct 30
United Airlines Logo
7:30 pm - 11:11 amYOW-SAT
16h 41m1 stop
United Airlines Logo
7:37 pm - 1:34 pmSAT-YOW
16h 57m2 stops
$302United Airlines
Find Deal
Mon, Feb 23 - Wed, Feb 25
American Airlines Logo
11:50 am - 10:57 pmYYZ-SAT
12h 07m1 stop
American Airlines Logo
5:00 am - 2:30 pmSAT-YYZ
8h 30m2 stops
$406American Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
American Airlines Logo
5:15 pm - 10:56 pmYYZ-SAT
6h 41m1 stop
American Airlines Logo
6:05 am - 2:59 pmSAT-YYZ
7h 54m1 stop
$413American Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
WestJet Logo
9:52 am - 4:04 pmYYZ-SAT
7h 12m1 stop
WestJet Logo
10:45 am - 12:06 amSAT-YYZ
12h 21m1 stop
$439WestJet
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Fri, Dec 19 - Sun, Jan 18
WestJet Logo
12:13 pm - 10:57 pmYYZ-SAT
11h 44m1 stop
WestJet Logo
4:00 pm - 11:02 pmSAT-YYZ
6h 02m1 stop
$440WestJet
Find Deal
Fri, Dec 19 - Sun, Jan 18
Delta Logo
6:00 am - 11:33 amYYZ-SAT
6h 33m1 stop
Delta Logo
4:25 pm - 12:06 amSAT-YYZ
6h 41m1 stop
$445Delta
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Tue, Feb 24 - Wed, Feb 25
Delta Logo
5:50 pm - 12:31 amYYZ-SAT
7h 41m1 stop
Delta Logo
5:14 am - 12:10 pmSAT-YYZ
5h 56m1 stop
$447Delta
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Sat, Oct 18 - Thu, Oct 23
Air Canada Logo
12:30 pm - 11:12 pmYTZ-SAT
11h 42m2 stops
Air Canada Logo
7:05 am - 6:13 pmSAT-YTZ
10h 08m2 stops
$490Air Canada
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Tue, Feb 24 - Wed, Feb 25
Air Canada Logo
10:25 am - 8:53 pmYTZ-SAT
11h 28m2 stops
Air Canada Logo
7:00 am - 5:55 pmSAT-YTZ
9h 55m2 stops
$491Air Canada
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Tue, Feb 24 - Wed, Feb 25

United Airlines flights from Region of Ontario to San Antonio

Our best United Airlines deals on Region of Ontario to San Antonio flight tickets
United Airlines
Feb 23
YOW7:30 pmOttawa
16h 41m
1 stop
SAT11:11 amSan Antonio
Feb 25
SAT7:37 pmSan Antonio
16h 57m
2 stops
YOW1:34 pmOttawa
$302
Find similar
United Airlines
Feb 23
YOW5:55 pmOttawa
15h 48m
2 stops
SAT8:43 amSan Antonio
Feb 25
SAT7:37 pmSan Antonio
17h 53m
2 stops
YOW2:30 pmOttawa
$354
Find similar
United Airlines
Dec 24
YOW5:59 pmOttawa
20h 12m
2 stops
SAT1:11 pmSan Antonio
Dec 29
SAT7:30 pmSan Antonio
18h 53m
2 stops
YOW3:23 pmOttawa
$361
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American Airlines flights from Region of Ontario to San Antonio

Our best American Airlines deals on Region of Ontario to San Antonio flight tickets
American Airlines
Oct 16
YYZ11:50 amToronto Pearson Intl
12h 07m
1 stop
SAT10:57 pmSan Antonio
Oct 22
SAT5:00 amSan Antonio
8h 30m
2 stops
YYZ2:30 pmToronto Pearson Intl
$406
Find similar
American Airlines
Oct 17
YYZ5:15 pmToronto Pearson Intl
6h 41m
1 stop
SAT10:56 pmSan Antonio
Oct 19
SAT6:05 amSan Antonio
7h 54m
1 stop
YYZ2:59 pmToronto Pearson Intl
$413
Find similar
American Airlines
Oct 16
YYZ11:50 amToronto Pearson Intl
12h 07m
1 stop
SAT10:57 pmSan Antonio
Oct 20
SAT6:35 amSan Antonio
8h 59m
1 stop
YYZ4:34 pmToronto Pearson Intl
$441
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to San Antonio 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 October 1, 2025.
Use the filters below to find and compare flights from Ontario to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 10/23

6:30 am-11:40 pm

2 stops18h 10m

San Antonio

Thu 10/30

7:35 pm-2:40 pm

1 stop18h 05m

$301

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 2/23

7:30 pm-11:11 am

1 stop16h 41m

San Antonio

Wed 2/25

7:37 pm-1:34 pm

2 stops16h 57m

$302

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 10/16

11:50 am-10:57 pm

1 stop12h 07m

San Antonio

Wed 10/22

5:00 am-2:30 pm

2 stops8h 30m

$406

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 10/17

5:15 pm-10:56 pm

1 stop6h 41m

San Antonio

Sun 10/19

6:05 am-2:59 pm

1 stop7h 54m

$413

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 12/19

9:52 am-4:04 pm

1 stop7h 12m

San Antonio

Sun 1/18

10:45 am-12:06 am

1 stop12h 21m

$439

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 12/19

12:13 pm-10:57 pm

1 stop11h 44m

San Antonio

Sun 1/18

4:00 pm-11:02 pm

1 stop6h 02m

$440

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 2/24

6:00 am-11:33 am

1 stop6h 33m

San Antonio

Wed 2/25

4:25 pm-12:06 am

1 stop6h 41m

$445

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 10/18

5:50 pm-12:31 am

1 stop7h 41m

San Antonio

Thu 10/23

5:14 am-12:10 pm

1 stop5h 56m

$447

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Tue 2/24

12:30 pm-11:12 pm

2 stops11h 42m

San Antonio

Wed 2/25

7:05 am-6:13 pm

2 stops10h 08m

$490

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Tue 2/24

10:25 am-8:53 pm

2 stops11h 28m

San Antonio

Wed 2/25

7:00 am-5:55 pm

2 stops9h 55m

$491

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 San Antonio from

How to get the cheapest flight ticket from Region of Ontario to San Antonio

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 San Antonio?

If you aren’t able to travel during the month of February, then book flights to San Antonio from Region of Ontario during January instead. Flights to San Antonio in January, while not as cheap as those in February, still average around $341.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $478.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Region of Ontario to San Antonio in the evening for as low as $316. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $476. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Region of Ontario for as low as $238 on momondo.

Can stopping save me money on Region of Ontario to San Antonio flights?

You could potentially save up to 20% on your flight if you consider stops on a Region of Ontario to San Antonio flight.

Cheap Region of Ontario to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Antonio

Direct flights

None
There are no direct flights from Region of Ontario to San Antonio. There are no popular flight routes from Region of Ontario to San Antonio.
Search flight deals

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

    Prices for flights from Ontario to San Antonio Airport refresh daily.

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

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

    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 Ontario to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport 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 San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Region of Ontario to San Antonio

Compare and see reviews for airlines that fly from Region of Ontario to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $264Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
American AirlinesPriceFrom $292Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom $332Free CancellationRating
7.2
3,111 reviews
Search WestJet flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Ontario.

Can I find flights from Ontario to San Antonio with flexible booking policies on momondo?

All flight searches from Ontario to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to San Antonio?

Once all potential Ontario to San Antonio 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 Ontario to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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