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Cheap flights from Ontario to San Antonio from $151

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 4/14. 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

Enter your travel dates to find the best prices.
American Airlines Logo
6:15 pm - 8:23 am
YYZ
-
SAT
15h 08m
1 stop
American Airlines Logo
6:20 am - 4:45 pm
SAT
-
YYZ
9h 25m
1 stop
$243American Airlines
Thu, Apr 9 - Thu, Apr 16
American Airlines Logo
6:15 pm - 8:23 am
YYZ
-
SAT
15h 08m
1 stop
American Airlines Logo
7:00 am - 10:55 pm
SAT
-
YYZ
14h 55m
1 stop
$252American Airlines
Thu, Apr 16 - Tue, Apr 21
American Airlines Logo
5:14 pm - 8:23 am
YYZ
-
SAT
16h 09m
1 stop
American Airlines Logo
5:19 am - 12:30 pm
SAT
-
YYZ
6h 11m
1 stop
$268American Airlines
Tue, Mar 17 - Tue, Mar 31
United Airlines Logo
6:00 am - 4:09 pm
YOW
-
SAT
11h 09m
2 stops
United Airlines Logo
6:49 am - 5:07 pm
SAT
-
YOW
9h 18m
1 stop
$290United Airlines
Sun, Apr 5 - Wed, Apr 8
Multiple Airlines Logo
8:20 pm - 1:23 pm
YYZ
-
SAT
18h 03m
1 stop
Multiple Airlines Logo
6:00 am - 2:20 pm
SAT
-
YYZ
7h 20m
1 stop
$295Multiple Airlines
Sun, Mar 8 - Tue, Mar 10
British Airways Logo
6:10 am - 11:07 pm
YYZ
-
SAT
17h 57m
1 stop
British Airways Logo
7:00 am - 10:39 pm
SAT
-
YYZ
14h 39m
1 stop
$299British Airways
Thu, Mar 19 - Sat, Mar 28
United Airlines Logo
10:44 am - 10:53 pm
YOW
-
SAT
13h 09m
1 stop
United Airlines Logo
6:49 am - 1:59 pm
SAT
-
YOW
6h 10m
1 stop
$305United Airlines
Fri, Apr 10 - Sat, Apr 11
Multiple Airlines Logo
5:15 pm - 12:27 pm
YYZ
-
SAT
20h 12m
1 stop
Multiple Airlines Logo
10:22 am - 11:20 pm
SAT
-
YYZ
11h 58m
1 stop
$308Multiple Airlines
Mon, Apr 6 - Thu, Apr 9
Delta Logo
6:45 pm - 12:46 am
YUL
-
SAT
7h 01m
1 stop
Delta Logo
4:43 pm - 11:08 pm
SAT
-
YUL
5h 25m
1 stop
$371Delta
Wed, Apr 15 - Sat, Apr 18
Delta Logo
12:42 pm - 10:30 pm
YUL
-
SAT
10h 48m
1 stop
Delta Logo
6:13 am - 5:31 pm
SAT
-
YUL
10h 18m
1 stop
$398Delta
Mon, Mar 16 - Thu, Mar 19

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
Apr 5
YOW6:00 amOttawa
11h 09m
2 stops
SAT4:09 pmSan Antonio
Apr 8
SAT6:49 amSan Antonio
9h 18m
1 stop
YOW5:07 pmOttawa
$290
United Airlines
Apr 10
YOW10:44 amOttawa
13h 09m
1 stop
SAT10:53 pmSan Antonio
Apr 11
SAT6:49 amSan Antonio
6h 10m
1 stop
YOW1:59 pmOttawa
$305
United Airlines
Apr 5
YOW6:25 amOttawa
17h 28m
1 stop
SAT10:53 pmSan Antonio
Apr 8
SAT6:49 amSan Antonio
6h 10m
1 stop
YOW1:59 pmOttawa
$308

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
Apr 9
YYZ6:15 pmToronto Pearson Intl
15h 08m
1 stop
SAT8:23 amSan Antonio
Apr 16
SAT6:20 amSan Antonio
9h 25m
1 stop
YYZ4:45 pmToronto Pearson Intl
$243
American Airlines
Apr 16
YYZ6:15 pmToronto Pearson Intl
15h 08m
1 stop
SAT8:23 amSan Antonio
Apr 21
SAT7:00 amSan Antonio
14h 55m
1 stop
YYZ10:55 pmToronto Pearson Intl
$252
American Airlines
Mar 17
YYZ5:14 pmToronto Pearson Intl
16h 09m
1 stop
SAT8:23 amSan Antonio
Mar 31
SAT5:19 amSan Antonio
6h 11m
1 stop
YYZ12:30 pmToronto Pearson Intl
$268

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 February 24, 2026.
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 4/9

6:15 pm-8:23 am

1 stop15h 08m

San Antonio

Thu 4/16

6:20 am-4:45 pm

1 stop9h 25m

$243

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 4/16

6:15 pm-8:23 am

1 stop15h 08m

San Antonio

Tue 4/21

7:00 am-10:55 pm

1 stop14h 55m

$252

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 3/17

5:14 pm-8:23 am

1 stop16h 09m

San Antonio

Tue 3/31

5:19 am-12:30 pm

1 stop6h 11m

$268

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 4/5

6:00 am-4:09 pm

2 stops11h 09m

San Antonio

Wed 4/8

6:49 am-5:07 pm

1 stop9h 18m

$290

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 3/8

8:20 pm-1:23 pm

1 stop18h 03m

San Antonio

Tue 3/10

6:00 am-2:20 pm

1 stop7h 20m

$295

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 3/19

6:10 am-11:07 pm

1 stop17h 57m

San Antonio

Sat 3/28

7:00 am-10:39 pm

1 stop14h 39m

$299

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 4/10

10:44 am-10:53 pm

1 stop13h 09m

San Antonio

Sat 4/11

6:49 am-1:59 pm

1 stop6h 10m

$305

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 4/6

5:15 pm-12:27 pm

1 stop20h 12m

San Antonio

Thu 4/9

10:22 am-11:20 pm

1 stop11h 58m

$308

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

6:45 pm-12:46 am

1 stop7h 01m

San Antonio

Sat 4/18

4:43 pm-11:08 pm

1 stop5h 25m

$371

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

12:42 pm-10:30 pm

1 stop10h 48m

San Antonio

Thu 3/19

6:13 am-5:31 pm

1 stop10h 18m

$398

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 April, then book flights to San Antonio from Region of Ontario during September instead. Flights to San Antonio in September, while not as cheap as those in April, still average around $438.

What is the cheapest Ontario to San Antonio flight route?

Fly from Toronto Pearson Intl to San Antonio for the best Ontario - San Antonio flight prices

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 $446 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 $205 on momondo.

What cabin class options are available on Ontario to San Antonio flights?

There is only 1 cabin class available to choose from on Ontario to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Fastest flight time

3h 43m

Direct flights

Thu and Sat

Airports in San Antonio

1 airport
The fastest flight from Region of Ontario to San Antonio takes 3h 43m
Direct flights go from Region of Ontario to San Antonio on Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport in San Antonio. From Region of Ontario there are direct flights to San Antonio (SAT).
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.

  • What is the most popular plane model from Region of Ontario to San Antonio?

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 $154Free CancellationRating
7.9
8,238 reviews
Search Delta flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,344 reviews
Search United Airlines flights
American AirlinesPriceFrom $311Free CancellationRating
7.2
11,344 reviews
Search American Airlines flights
WestJetPriceFrom $360Free CancellationRating
7.2
3,273 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
Pleasanton
Schertz

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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