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San Antonio

$153+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$274
(Kiwi.com)

One-way from

$153
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$378
From Ontario to San Antonio
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One-way flight from Ontario to San Antonio
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Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/13:00 pmYYZ - SAT
2 stops23h 23mMultiple Airlines
Wed 10/87:00 amSAT - YYZ
1 stop11h 58mMultiple Airlines
Deal found 9/9$274
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 9/3011:00 amYYZ - SAT
2 stops34h 52mMultiple Airlines
Wed 10/87:00 amSAT - YYZ
1 stop11h 58mMultiple Airlines
Deal found 9/9$275
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/37:45 pmYYZ - SAT
1 stop24h 47mMultiple Airlines
Tue 10/77:00 amSAT - YYZ
2 stops14h 52mMultiple Airlines
Deal found 9/9$276
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 9/309:30 amYYZ - SAT
1 stop12h 22mMultiple Airlines
Tue 10/77:00 amSAT - YYZ
2 stops14h 52mMultiple Airlines
Deal found 9/9$278
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 12/87:55 pmYYZ - SAT
1 stop10h 14mMultiple Airlines
Sat 12/136:44 pmSAT - YYZ
1 stop10h 36mMultiple Airlines
Deal found 9/9$281
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/29:35 amYYZ - SAT
1 stop9h 37mMultiple Airlines
Wed 10/87:00 amSAT - YYZ
2 stops14h 52mMultiple Airlines
Deal found 9/9$286
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 10/2610:15 pmYYZ - SAT
2 stops26h 25mMultiple Airlines
Thu 10/307:00 amSAT - YYZ
1 stop12h 32mMultiple Airlines
Deal found 9/9$289
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/167:15 amYYZ - SAT
1 stop9h 35mMultiple Airlines
Mon 10/207:35 pmSAT - YYZ
1 stop17h 30mMultiple Airlines
Deal found 9/8$294
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/181:35 pmYYZ - SAT
1 stop29h 55mMultiple Airlines
Sat 10/252:04 pmSAT - YYZ
2 stops15h 09mMultiple Airlines
Deal found 9/9$295
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:00 amYUL - SAT
1 stop11h 06mDelta
Fri 9/266:35 amSAT - YUL
1 stop10h 14mDelta
Deal found 9/9$355
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:00 amYUL - SAT
1 stop11h 16mDelta
Wed 10/2911:35 amSAT - YUL
1 stop10h 39mDelta
Deal found 9/9$396
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 9/239:45 amYUL - SAT
2 stops12h 32mUnited Airlines
Fri 9/265:09 pmSAT - YUL
1 stop16h 31mUnited Airlines
Deal found 9/9$407

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 September 11, 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

Mon 12/8

1:30 pm-5:09 am

2 stops16h 39m

San Antonio

Sat 12/13

6:44 pm-6:20 am

1 stop10h 36m

$287

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 10/26

10:15 pm-11:40 pm

2 stops26h 25m

San Antonio

Thu 10/30

7:00 am-8:32 pm

1 stop12h 32m

$289

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 9/30

9:30 am-8:52 pm

1 stop12h 22m

San Antonio

Sat 10/4

4:45 pm-1:38 pm

2 stops19h 53m

$299

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 10/5

6:30 am-6:30 pm

1 stop13h 00m

San Antonio

Wed 10/8

7:00 am-7:58 pm

1 stop11h 58m

$311

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 11/10

7:55 pm-5:28 pm

1 stop22h 33m

San Antonio

Thu 11/13

6:23 pm-6:20 am

1 stop10h 57m

$311

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 10/18

11:44 am-9:48 pm

1 stop11h 04m

San Antonio

Sat 10/25

2:32 pm-10:45 pm

1 stop7h 13m

$343

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 10/21

10:25 pm-11:40 pm

2 stops26h 15m

San Antonio

Sat 10/25

7:00 am-12:22 am

2 stops16h 22m

$346

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 10/26

5:50 pm-12:31 am

1 stop7h 41m

San Antonio

Wed 10/29

5:25 am-11:20 am

1 stop4h 55m

$347

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 10/4

5:43 pm-12:19 am

1 stop7h 36m

San Antonio

Mon 10/6

6:41 am-4:50 pm

1 stop9h 09m

$347

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 9/30

6:30 am-3:36 pm

1 stop10h 06m

San Antonio

Tue 10/7

2:31 pm-11:18 pm

1 stop7h 47m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 56 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, August is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $295). Flying from Region of Ontario to San Antonio in March is currently the most expensive (average of $376). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Antonio as you normally would.

Weekly flight availability from Region of Ontario to San Antonio

Explore weekly flight availability from Ontario to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from CAON to SAT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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?

    Delta, United Airlines, and Air Canada can get you from Region of Ontario to San Antonio in just under 11h 06m. Your travel time can differ by up to 1h 26m. There are 1732 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, August is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $295). Flying from Region of Ontario to San Antonio in March is currently the most expensive (average of $376). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$296FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$382FlexibilityNo cancel feeOn-time69%
WestJetCheapest$332Average$424FlexibilityNo cancel feeOn-time60%

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