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$121+ Cheap flights from San Antonio (SAT) to Ontario

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Antonio to Ontario

Cheapest flights from San Antonio to Ontario
Explore the most affordable flight options available from San Antonio to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 4/1410:27 am
SAT
-
YYZ
1 stop26h 38m
Multiple Airlines
Sun 4/196:30 am
YYZ
-
SAT
1 stop28h 00m
Multiple Airlines
Deal found 1/27$278
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/111:35 am
SAT
-
YYZ
1 stop18h 08m
Multiple Airlines
Thu 3/58:20 pm
YYZ
-
SAT
1 stop18h 18m
Multiple Airlines
Deal found 1/29$279
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 4/1510:26 am
SAT
-
YYZ
1 stop26h 39m
Multiple Airlines
Sun 4/196:30 am
YYZ
-
SAT
1 stop28h 00m
Multiple Airlines
Deal found 1/28$281
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 3/24:00 pm
SAT
-
YYZ
1 stop13h 43m
Multiple Airlines
Sun 3/88:20 pm
YYZ
-
SAT
1 stop18h 03m
Multiple Airlines
Deal found 1/27$287
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 4/1510:26 am
SAT
-
YYZ
1 stop26h 39m
Multiple Airlines
Tue 4/2111:15 am
YYZ
-
SAT
1 stop23h 15m
Multiple Airlines
Deal found 1/28$294
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 4/131:22 pm
SAT
-
YYZ
1 stop9h 52m
Multiple Airlines
Sun 4/196:30 am
YYZ
-
SAT
1 stop28h 00m
Multiple Airlines
Deal found 1/27$295
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 3/36:00 am
SAT
-
YYZ
1 stop17h 14m
Multiple Airlines
Fri 3/67:10 am
YYZ
-
SAT
1 stop31h 13m
Multiple Airlines
Deal found 1/27$296
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 4/1110:27 am
SAT
-
YYZ
1 stop24h 01m
Multiple Airlines
Sun 4/196:30 am
YYZ
-
SAT
1 stop28h 00m
Multiple Airlines
Deal found 1/27$297
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 4/1410:27 am
SAT
-
YYZ
1 stop26h 38m
Multiple Airlines
Tue 4/2111:15 am
YYZ
-
SAT
1 stop23h 15m
Multiple Airlines
Deal found 1/28$299
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 4/2110:26 am
SAT
-
YUL
1 stop27h 44m
Multiple Airlines
Sat 4/258:00 am
YUL
-
SAT
1 stop26h 30m
Multiple Airlines
Deal found 1/28$344
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 3/172:08 pm
SAT
-
YUL
2 stops33h 30m
Multiple Airlines
Mon 3/238:00 am
YUL
-
SAT
1 stop26h 32m
Multiple Airlines
Deal found 1/28$347
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 4/2610:26 am
SAT
-
YUL
1 stop29h 02m
Multiple Airlines
Wed 4/296:45 am
YUL
-
SAT
1 stop27h 45m
Multiple Airlines
Deal found 1/27$353

Find flight deals from San Antonio to Ontario

Keep the following information in mind while searching for San Antonio to Ontario flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$625

Good round-trip deal

$293 or less

Good one-way deal

$166 or less
Provider with most accurate pricing for San Antonio-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Toronto (YTO) flights.
Search Deals
From San Antonio to Ontario
Search Deals
One-way flight from San Antonio to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from San Antonio to Ontario.
Search Deals
Price to beat on a one-way flight from San Antonio to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Ontario 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 January 29, 2026.
Use the filters below to find and compare flights from San Antonio to Ontario that are best for you.

Fly from

San Antonio

Fly to

Ontario

Route

Depart

Return

Price

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 4/15

10:26 am-2:05 pm

1 stop26h 39m

Toronto Pearson Intl

Sun 4/19

6:30 am-9:30 am

1 stop28h 00m

$281

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 4/14

10:27 am-2:05 pm

1 stop26h 38m

Toronto Pearson Intl

Sun 4/19

6:30 am-9:30 am

1 stop28h 00m

$286

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 4/15

10:26 am-2:05 pm

1 stop26h 39m

Toronto Pearson Intl

Tue 4/21

11:15 am-9:30 am

1 stop23h 15m

$294

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 4/13

1:22 pm-12:14 am

1 stop9h 52m

Toronto Pearson Intl

Sun 4/19

6:30 am-9:30 am

1 stop28h 00m

$304

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 4/14

10:27 am-7:05 pm

1 stop7h 38m

Toronto Pearson Intl

Wed 4/15

7:15 am-10:29 pm

2 stops16h 14m

$327

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 4/23

10:26 am-3:20 pm

1 stop27h 54m

Toronto Pearson Intl

Tue 4/28

6:30 am-9:30 am

1 stop28h 00m

$332

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 4/11

10:27 am-10:15 pm

1 stop10h 48m

Toronto Pearson Intl

Thu 4/16

8:30 pm-9:30 am

1 stop14h 00m

$334

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 4/15

10:26 am-10:15 pm

1 stop10h 49m

Toronto Pearson Intl

Thu 4/16

8:30 pm-9:30 am

1 stop14h 00m

$335

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 4/21

10:26 am-3:10 pm

1 stop27h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 4/25

8:00 am-9:30 am

1 stop26h 30m

$344

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 3/17

2:08 pm-12:38 am

2 stops33h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

8:00 am-9:32 am

1 stop26h 32m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from San Antonio to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Antonio 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 San Antonio to Ontario

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

Currently, September is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $73). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of $467). 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.

How much does it cost to fly round-trip from San Antonio to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from San Antonio to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,253 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,667 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Ontario. 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 from for flights from San Antonio to Ontario?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to Ontario.

  • What are the cheapest airlines to fly from San Antonio to Region of Ontario one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $130. Users have also found prices from $154 and $166 on American Airlines and Air Canada, respectively.

  • What are the cheapest flights from San Antonio to Region of Ontario?

    The cheapest flight price from San Antonio to Region of Ontario is $121. On average you can expect to pay $444. The most popular route, (San Antonio - Toronto Pearson Intl), can usually be booked for $286.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Ontario 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 San Antonio to Region of Ontario?

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $73). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of $467). 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

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Alternative routes for San Antonio to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from San Antonio to Ontario

Discover the top 5 airlines that operate flights from San Antonio to Ontario. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$424FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$170Average$622FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$306Average$493FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$320Average$635FlexibilityNo cancel feeOn-time69%
WestJetCheapest$401Average$580FlexibilityNo cancel feeOn-time60%

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