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Cheap flights from Ontario to San Antonio from $175

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 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to San Antonio

Cheap round-trip flights

Logo
7:45 pm - 7:22 pmYYZ-SAT
24h 37m1 stop
Logo
7:19 pm - 2:05 pmSAT-YYZ
17h 46m1 stop
$304
Find Deal
Fri, Oct 17 - Thu, Oct 23
Logo
7:45 pm - 7:22 pmYYZ-SAT
24h 37m1 stop
Logo
6:00 am - 7:55 pmSAT-YYZ
12h 55m1 stop
$318
Find Deal
Fri, Oct 24 - Wed, Oct 29
United Airlines Logo
7:00 am - 12:01 pmYYZ-SAT
6h 01m1 stop
United Airlines Logo
5:30 am - 2:30 pmSAT-YYZ
8h 00m1 stop
$381United Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 7
United Airlines Logo
7:00 am - 11:58 amYYZ-SAT
5h 58m1 stop
United Airlines Logo
1:05 pm - 8:44 pmSAT-YYZ
6h 39m1 stop
$382United Airlines
Find Deal
Sat, Sep 27 - Thu, Oct 2
American Airlines Logo
3:44 pm - 8:26 amYUL-SAT
17h 42m1 stop
American Airlines Logo
7:00 am - 2:49 pmSAT-YUL
6h 49m1 stop
$400American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
2:31 pm - 9:24 pmYUL-SAT
7h 53m1 stop
American Airlines Logo
5:00 am - 2:49 pmSAT-YUL
8h 49m1 stop
$405American Airlines
Find Deal
Mon, Sep 8 - Mon, Sep 15
Delta Logo
7:00 am - 12:24 pmYUL-SAT
6h 24m1 stop
Delta Logo
1:35 pm - 11:16 pmSAT-YUL
8h 41m1 stop
$435Delta
Find Deal
Mon, Sep 1 - Sun, Sep 7
Delta Logo
7:00 am - 5:06 pmYUL-SAT
11h 06m1 stop
Delta Logo
6:35 am - 5:49 pmSAT-YUL
10h 14m1 stop
$449Delta
Find Deal
Wed, Sep 24 - Fri, Sep 26
Air Canada Logo
7:25 am - 4:06 pmYTZ-SAT
9h 41m2 stops
Air Canada Logo
6:45 am - 9:34 pmSAT-YTZ
13h 49m2 stops
$452Air Canada
Find Deal
Sat, Sep 27 - Sat, Oct 4
Air Canada Logo
6:33 am - 3:58 pmYOW-SAT
10h 25m1 stop
Air Canada Logo
6:45 am - 2:04 pmSAT-YOW
6h 19m1 stop
$710Air Canada
Find Deal
Thu, Sep 25 - Thu, Oct 2

WestJet flights from Region of Ontario to San Antonio

Our best WestJet deals on Region of Ontario to San Antonio flight tickets
WestJet
Aug 28
YYZ6:30 amToronto Pearson Intl
5h 02m
1 stop
SAT10:32 amSan Antonio
Sep 2
SAT1:35 pmSan Antonio
33h 56m
2 stops
YYZ12:31 amToronto Pearson Intl
$457
Find similar
WestJet
Aug 28
YYZ6:15 amToronto Pearson Intl
11h 51m
1 stop
SAT5:06 pmSan Antonio
Sep 2
SAT6:25 amSan Antonio
17h 06m
2 stops
YYZ12:31 amToronto Pearson Intl
$458
Find similar
WestJet
Sep 1
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
6h 24m
1 stop
SAT12:24 pmSan Antonio
Sep 7
SAT6:40 amSan Antonio
23h 27m
2 stops
YUL7:07 amMontreal Pierre Elliott Trudeau Intl
$464
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
Sep 1
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
6h 24m
1 stop
SAT12:24 pmSan Antonio
Sep 7
SAT1:35 pmSan Antonio
8h 41m
1 stop
YUL11:16 pmMontreal Pierre Elliott Trudeau Intl
$435
Find similar
Delta
Sep 24
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
11h 06m
1 stop
SAT5:06 pmSan Antonio
Sep 26
SAT6:35 amSan Antonio
10h 14m
1 stop
YUL5:49 pmMontreal Pierre Elliott Trudeau Intl
$449
Find similar
Delta
Sep 4
YYZ6:15 amToronto Pearson Intl
11h 30m
2 stops
SAT4:45 pmSan Antonio
Sep 10
SAT5:10 amSan Antonio
7h 22m
1 stop
YYZ1:32 pmToronto Pearson Intl
$463
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 August 13, 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

Fri 10/17

7:45 pm-7:22 pm

1 stop24h 37m

San Antonio

Thu 10/23

7:19 pm-2:05 pm

1 stop17h 46m

$304

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 10/24

7:45 pm-7:22 pm

1 stop24h 37m

San Antonio

Wed 10/29

6:00 am-7:55 pm

1 stop12h 55m

$318

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 9/5

7:00 am-12:01 pm

1 stop6h 01m

San Antonio

Sun 9/7

5:30 am-2:30 pm

1 stop8h 00m

$381

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 9/27

7:00 am-11:58 am

1 stop5h 58m

San Antonio

Thu 10/2

1:05 pm-8:44 pm

1 stop6h 39m

$382

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

3:44 pm-8:26 am

1 stop17h 42m

San Antonio

Tue 9/16

7:00 am-2:49 pm

1 stop6h 49m

$400

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 9/8

2:31 pm-9:24 pm

1 stop7h 53m

San Antonio

Mon 9/15

5:00 am-2:49 pm

1 stop8h 49m

$405

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 9/1

7:00 am-12:24 pm

1 stop6h 24m

San Antonio

Sun 9/7

1:35 pm-11:16 pm

1 stop8h 41m

$435

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

7:00 am-5:06 pm

1 stop11h 06m

San Antonio

Fri 9/26

6:35 am-5:49 pm

1 stop10h 14m

$449

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Sat 9/27

7:25 am-4:06 pm

2 stops9h 41m

San Antonio

Sat 10/4

6:45 am-9:34 pm

2 stops13h 49m

$452

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 9/25

6:33 am-3:58 pm

1 stop10h 25m

San Antonio

Thu 10/2

6:45 am-2:04 pm

1 stop6h 19m

$710

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 $399 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.

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

Best Price Found

$175

Fastest flight time

5h 02m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Region of Ontario in the past 72 hours is $175. The best round-trip flight deal from Region of Ontario to San Antonio found on momondo in the last 72 hours is $304.
The fastest flight from Region of Ontario to San Antonio takes 5h 02m
There are no direct flights from Region of Ontario to San Antonio. Popular non-direct routes for this connection are Toronto Pearson Intl Airport - San Antonio Airport, Montreal Pierre Elliott Trudeau Intl Airport - San Antonio Airport and Toronto Island Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)
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  • 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
8.0
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $280Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
WestJetPriceFrom $331Free CancellationRating
7.2
3,008 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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