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$141+ Cheap flights from Ontario to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Find flight deals from Ontario to San Antonio

Cheapest flights from Ontario to San Antonio
Explore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/512:50 pmYYZ - SAT
1 stop25h 28mMultiple Airlines
lun. 12/82:13 pmSAT - YYZ
1 stop8h 58mMultiple Airlines
Deal found 10/27$280
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/2412:50 pmYYZ - SAT
1 stop28h 09mMultiple Airlines
lun. 12/18:33 pmSAT - YYZ
1 stop16h 32mMultiple Airlines
Deal found 10/27$298
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/277:55 pmYYZ - SAT
1 stop15h 49mMultiple Airlines
jue. 12/49:10 amSAT - YYZ
1 stop7h 43mMultiple Airlines
Deal found 10/28$312
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/249:30 amYOW - SAT
1 stop31h 29mMultiple Airlines
lun. 12/18:33 pmSAT - YOW
2 stops27h 09mMultiple Airlines
Deal found 10/27$314
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/115:15 pmYYZ - SAT
1 stop21h 03mMultiple Airlines
jue. 12/182:39 pmSAT - YYZ
1 stop7h 41mMultiple Airlines
Deal found 10/27$319
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2112:50 pmYYZ - SAT
1 stop28h 09mMultiple Airlines
lun. 12/18:33 pmSAT - YYZ
1 stop16h 32mMultiple Airlines
Deal found 10/27$324
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/811:15 amYYZ - SAT
1 stop13h 11mMultiple Airlines
dom. 12/145:46 pmSAT - YYZ
2 stops16h 57mMultiple Airlines
Deal found 10/26$340
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/217:00 amYYZ - SAT
1 stop12h 32mMultiple Airlines
lun. 11/247:37 pmSAT - YYZ
1 stop15h 06mMultiple Airlines
Deal found 10/27$341
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2112:50 pmYYZ - SAT
1 stop28h 09mMultiple Airlines
dom. 11/308:33 pmSAT - YYZ
1 stop14h 10mMultiple Airlines
Deal found 10/28$348
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:00 amYYZ - SAT
1 stop12h 32mMultiple Airlines
vie. 11/75:35 pmSAT - YYZ
2 stops19h 45mMultiple Airlines
Deal found 10/27$352
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/45:15 pmYYZ - SAT
1 stop21h 03mMultiple Airlines
dom. 12/76:10 pmSAT - YYZ
1 stop11h 10mMultiple Airlines
Deal found 10/27$358
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/249:45 amYOW - SAT
2 stops14h 11mUnited Airlines
lun. 12/17:00 pmSAT - YOW
2 stops19h 23mUnited Airlines
Deal found 10/27$360

Cheap flight deals from Ontario to San Antonio

Keep the following information in mind while searching for Ontario to San Antonio flight deals. Data was last updated octubre 29, 2025.

Round-trip from

$280
(Kiwi.com)

One-way from

$141
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$445
From Ontario to San Antonio
Search Deals
One-way flight from Ontario to San Antonio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 29, 2025.
Use the filters below to find and compare flights from Ontario to San Antonio that are best for you.

Fly from

Ontario

Fly to

San Antonio

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

vie. 12/5

12:50 pm-1:18 pm

1 stop25h 28m

San Antonio

lun. 12/8

2:13 pm-12:11 am

1 stop8h 58m

$280

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

vie. 1/30

9:30 am-10:27 pm

1 stop13h 57m

San Antonio

vie. 2/6

6:00 am-11:58 pm

1 stop16h 58m

$291

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

sáb. 1/10

8:20 pm-6:39 pm

1 stop23h 19m

San Antonio

mar. 1/13

6:00 am-2:16 pm

1 stop7h 16m

$294

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

lun. 12/8

11:15 am-11:26 pm

1 stop13h 11m

San Antonio

dom. 12/14

8:50 am-11:43 am

1 stop25h 53m

$298

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

lun. 2/23

2:15 pm-8:53 pm

1 stop7h 38m

San Antonio

mié. 2/25

7:37 pm-1:34 pm

2 stops16h 57m

$301

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

jue. 11/27

7:55 pm-10:44 am

1 stop15h 49m

San Antonio

jue. 12/4

9:10 am-5:53 pm

1 stop7h 43m

$312

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

lun. 11/24

9:30 am-3:59 pm

1 stop31h 29m

San Antonio

lun. 12/1

8:33 pm-12:42 am

2 stops27h 09m

$314

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

lun. 11/24

9:45 am-10:56 pm

2 stops14h 11m

San Antonio

lun. 12/1

7:00 pm-3:23 pm

2 stops19h 23m

$360

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

vie. 1/30

10:30 am-11:15 pm

2 stops13h 45m

San Antonio

vie. 2/6

7:30 pm-3:23 pm

2 stops18h 53m

$360

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

vie. 11/14

12:50 pm-10:03 am

1 stop22h 13m

San Antonio

sáb. 11/22

7:04 pm-2:20 pm

1 stop18h 16m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 53 results
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Best time to book a flight from Ontario to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to San Antonio

What is the cheapest month to book a flight from Region of Ontario to San Antonio?

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $183). Flying from Region of Ontario to San Antonio in August is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to SAT?

Find hourly flight availability from Ontario to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

One of the essential ways to save on airfare from Region of Ontario to San Antonio is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 41% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from Ontario?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Ontario. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from Region of Ontario to San Antonio?

    United Airlines and Delta can get you from Region of Ontario to San Antonio in just under 7h 38m. Your travel time can differ by up to 3h 39m. There are 1648 mi between Region of Ontario and San Antonio. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to San Antonio?

    When deciding which route to take from Region of Ontario to San Antonio consider Toronto Pearson Intl - San Antonio, Montreal Pierre Elliott Trudeau Intl - San Antonio or Toronto Island - San Antonio as they are the most popular.

  • Can I find deals for flights from Ontario to San Antonio that include hotel bookings?

    Yes. In addition to deals on Ontario to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Antonio.

  • Can I find deals for business class flights from Ontario to San Antonio?

    Yes. Cheapflights offers flight deals from Ontario to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to San Antonio?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $183). Flying from Region of Ontario to San Antonio in August is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

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

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Alternative routes for Ontario to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to San Antonio

Discover the top 4 airlines that operate flights from Ontario to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$281Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$292Average$463FlexibilityNo cancel feeOn-time71%
WestJetCheapest$332Average$467FlexibilityNo cancel feeOn-time60%

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