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Cheap flights from Ontario to San Antonio from $162

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 2/8. 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
5:15 pm - 8:14 amYYZ-SAT
15h 59m1 stop
Multiple Airlines Logo
8:53 pm - 7:36 pmSAT-YYZ
21h 43m2 stops
$259Multiple Airlines
Find Deal
Wed, Jan 14 - Sun, Jan 18
Multiple Airlines Logo
8:00 pm - 11:00 amYYZ-SAT
16h 00m1 stop
Multiple Airlines Logo
8:16 pm - 2:05 pmSAT-YYZ
16h 49m1 stop
$262Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
7:15 am - 11:52 pmYYZ-SAT
17h 37m1 stop
Multiple Airlines Logo
9:09 am - 2:20 pmSAT-YYZ
28h 11m1 stop
$269Multiple Airlines
Find Deal
Wed, Jan 14 - Sun, Jan 18
Multiple Airlines Logo
7:10 am - 6:18 pmYYZ-SAT
12h 08m1 stop
Multiple Airlines Logo
10:35 am - 11:43 amSAT-YYZ
24h 08m1 stop
$275Multiple Airlines
Find Deal
Sun, Jan 11 - Thu, Jan 15
United Airlines Logo
5:11 pm - 11:13 pmYOW-SAT
7h 02m1 stop
United Airlines Logo
11:43 am - 9:56 pmSAT-YOW
9h 13m2 stops
$300United Airlines
Find Deal
Wed, Jan 21 - Thu, Jan 22
United Airlines Logo
7:30 pm - 11:11 amYOW-SAT
16h 41m1 stop
United Airlines Logo
7:00 pm - 3:23 pmSAT-YOW
19h 23m2 stops
$455United Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
United Airlines Logo
6:15 am - 9:26 pmYOW-SAT
16h 11m2 stops
United Airlines Logo
7:40 am - 9:18 pmSAT-YOW
12h 38m2 stops
$461United Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8
Air Canada Logo
4:20 pm - 11:11 amYTZ-SAT
19h 51m2 stops
Air Canada Logo
7:20 am - 5:55 pmSAT-YTZ
9h 35m2 stops
$475Air Canada
Find Deal
Tue, Dec 9 - Thu, Dec 11
Air Canada Logo
12:30 pm - 11:13 pmYTZ-SAT
11h 43m2 stops
Air Canada Logo
9:00 am - 9:35 pmSAT-YTZ
11h 35m2 stops
$503Air Canada
Find Deal
Wed, Jan 7 - Wed, Jan 14
Air Canada Logo
6:45 pm - 12:24 pmYTZ-SAT
18h 39m2 stops
Air Canada Logo
7:00 am - 4:55 pmSAT-YTZ
8h 55m2 stops
$594Air Canada
Find Deal
Mon, Jan 5 - Sun, Jan 11

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
Jan 21
YOW5:11 pmOttawa
7h 02m
1 stop
SAT11:13 pmSan Antonio
Jan 22
SAT7:00 amSan Antonio
9h 12m
1 stop
YOW5:12 pmOttawa
$300
Find similar
United Airlines
Dec 11
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SAT3:08 pmSan Antonio
Dec 15
SAT11:18 amSan Antonio
9h 24m
1 stop
YUL9:42 pmMontreal Pierre Elliott Trudeau Intl
$423
Find similar
United Airlines
Dec 5
YYZ2:45 pmToronto Pearson Intl
9h 14m
2 stops
SAT10:59 pmSan Antonio
Dec 7
SAT5:20 amSan Antonio
7h 54m
2 stops
YYZ2:14 pmToronto Pearson Intl
$429
Find similar

Delta flights from Region of Ontario to San Antonio

Our best Delta deals on Region of Ontario to San Antonio flight tickets
Delta
Feb 1
YYZ6:00 amToronto Pearson Intl
6h 26m
1 stop
SAT11:26 amSan Antonio
Feb 9
SAT12:55 pmSan Antonio
9h 01m
1 stop
YYZ10:56 pmToronto Pearson Intl
$442
Find similar
Delta
Apr 15
YYZ9:45 amToronto Pearson Intl
6h 12m
1 stop
SAT2:57 pmSan Antonio
Apr 23
SAT5:30 amSan Antonio
5h 46m
1 stop
YYZ12:16 pmToronto Pearson Intl
$443
Find similar
Delta
Dec 18
YUL12:40 pmMontreal Pierre Elliott Trudeau Intl
8h 43m
1 stop
SAT8:23 pmSan Antonio
Dec 29
SAT1:33 pmSan Antonio
9h 26m
1 stop
YUL11:59 pmMontreal Pierre Elliott Trudeau Intl
$465
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 November 19, 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

Wed 1/14

5:15 pm-8:14 am

1 stop15h 59m

San Antonio

Sun 1/18

8:53 pm-7:36 pm

2 stops21h 43m

$259

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 1/8

8:00 pm-11:00 am

1 stop16h 00m

San Antonio

Mon 1/12

8:16 pm-2:05 pm

1 stop16h 49m

$262

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Wed 1/14

7:15 am-11:52 pm

1 stop17h 37m

San Antonio

Sun 1/18

9:09 am-2:20 pm

1 stop28h 11m

$269

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 1/11

7:10 am-6:18 pm

1 stop12h 08m

San Antonio

Thu 1/15

10:35 am-11:43 am

1 stop24h 08m

$275

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 1/21

5:11 pm-11:13 pm

1 stop7h 02m

San Antonio

Thu 1/22

11:43 am-9:56 pm

2 stops9h 13m

$300

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Tue 12/2

7:30 pm-11:11 am

1 stop16h 41m

San Antonio

Fri 12/5

7:00 pm-3:23 pm

2 stops19h 23m

$455

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 1/1

6:15 am-9:26 pm

2 stops16h 11m

San Antonio

Thu 1/8

7:40 am-9:18 pm

2 stops12h 38m

$461

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Tue 12/9

4:20 pm-11:11 am

2 stops19h 51m

San Antonio

Thu 12/11

7:20 am-5:55 pm

2 stops9h 35m

$475

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Wed 1/7

12:30 pm-11:13 pm

2 stops11h 43m

San Antonio

Wed 1/14

9:00 am-9:35 pm

2 stops11h 35m

$503

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Mon 1/5

6:45 pm-12:24 pm

2 stops18h 39m

San Antonio

Sun 1/11

7:00 am-4:55 pm

2 stops8h 55m

$594

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 January, then book flights to San Antonio from Region of Ontario during February instead. Flights to San Antonio in February, while not as cheap as those in January, still average around $339.

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 $427 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 $240 on momondo.

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

You could potentially save up to 23% 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
8,002 reviews
Search Delta flights
WestJetPriceFrom $275Free CancellationRating
7.2
3,164 reviews
Search WestJet flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
American AirlinesPriceFrom $292Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights

Traveling to a place near San Antonio?

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