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Ontario

$104+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/247:11 pmSAT - YYZ
1 stop18h 09mMultiple Airlines
Wed 1/712:30 pmYYZ - SAT
2 stops23h 30mMultiple Airlines
Deal found 12/14$396
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/247:11 pmSAT - YYZ
1 stop18h 09mMultiple Airlines
Tue 1/68:30 pmYYZ - SAT
1 stop27h 56mMultiple Airlines
Deal found 12/14$433
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/247:11 pmSAT - YYZ
1 stop18h 09mMultiple Airlines
Mon 1/55:15 pmYYZ - SAT
1 stop19h 35mMultiple Airlines
Deal found 12/14$460
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/267:11 pmSAT - YYZ
1 stop15h 32mMultiple Airlines
Mon 1/58:30 pmYYZ - SAT
1 stop27h 56mMultiple Airlines
Deal found 12/12$506
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Fri 12/262:13 pmSAT - YYZ
1 stop7h 24mUnited Airlines
Mon 1/59:30 amYYZ - SAT
2 stops9h 19mUnited Airlines
Deal found 12/12$557
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/297:11 pmSAT - YUL
1 stop28h 19mMultiple Airlines
Mon 1/55:25 pmYUL - SAT
2 stops31h 01mMultiple Airlines
Deal found 12/14$589
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/146:10 pmSAT - YYZ
1 stop24h 45mMultiple Airlines
Thu 12/186:12 pmYYZ - SAT
1 stop7h 22mMultiple Airlines
Deal found 12/12$591
This American Airlines deal was found by Cheapflights users on 12/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:43 amSAT - YYZ
1 stop8h 40mAmerican Airlines
Fri 12/266:10 amYYZ - SAT
1 stop14h 10mAmerican Airlines
Deal found 12/12$601
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:41 amSAT - YUL
1 stop14h 58mAmerican Airlines
Mon 1/57:08 amYUL - SAT
1 stop16h 45mAmerican Airlines
Deal found 12/14$628
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/242:13 pmSAT - YYZ
2 stops8h 33mUnited Airlines
Wed 1/77:30 amYYZ - SAT
2 stops9h 01mUnited Airlines
Deal found 12/14$638
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:00 pmSAT - YUL
2 stops19h 16mUnited Airlines
Wed 1/79:15 amYUL - SAT
1 stop12h 41mUnited Airlines
Deal found 12/14$649
This American Airlines deal was found by Cheapflights users on 12/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:48 pmSAT - YUL
1 stop18h 58mAmerican Airlines
Mon 1/57:08 amYUL - SAT
1 stop16h 45mAmerican Airlines
Deal found 12/13$702

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$240
(Kiwi.com)

One-way from

$104
(Trip.com)

Popular in

October

Cheapest in

May

Average price

$586
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. 12% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 15, 2025.
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

Thu 1/29

10:35 am-11:20 pm

1 stop11h 45m

Toronto Pearson Intl

Thu 2/5

1:30 pm-12:25 pm

2 stops23h 55m

$244

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 1/12

12:21 pm-6:20 am

1 stop16h 59m

Toronto Pearson Intl

Mon 1/19

11:15 am-11:52 pm

2 stops37h 37m

$294

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 1/9

10:35 am-10:12 pm

1 stop10h 37m

Toronto Pearson Intl

Fri 1/16

7:10 am-11:52 pm

1 stop17h 42m

$304

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 1/5

7:11 pm-12:11 am

1 stop28h 00m

Toronto Pearson Intl

Fri 1/9

7:10 am-11:52 pm

1 stop17h 42m

$307

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 1/9

10:35 am-10:12 pm

1 stop10h 37m

Toronto Pearson Intl

Tue 1/13

7:15 am-11:52 pm

2 stops17h 37m

$314

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 1/7

12:45 pm-12:11 am

1 stop10h 26m

Toronto Pearson Intl

Tue 1/13

7:15 am-11:52 pm

2 stops17h 37m

$318

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 2/23

9:16 am-6:43 am

2 stops20h 27m

Toronto Pearson Intl

Fri 2/27

8:00 pm-7:01 pm

2 stops24h 01m

$380

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 3/25

10:26 am-8:10 pm

2 stops32h 44m

Toronto Pearson Intl

Wed 4/1

3:40 pm-9:22 am

1 stop18h 42m

$388

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 1/28

6:30 am-3:15 pm

3 stops31h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

8:55 am-9:40 am

3 stops25h 45m

$444

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Thu 2/26

10:26 am-12:45 am

1 stop13h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

2:30 pm-2:55 pm

2 stops25h 25m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 29 results
1
2
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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.

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

Find hourly flight availability from San Antonio to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

When flying from San Antonio to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 39% versus a flight in the morning.

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 December 15, 2025.
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
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

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
9,092 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

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
11,051 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

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
3,202 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

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
10,525 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

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 American Airlines. According to our data, you can fly for as low as $143. Users have also found prices from $146 and $176 on United Airlines and WestJet, respectively.

  • 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$493FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$338Average$653FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$339Average$673FlexibilityNo cancel feeOn-time67%
WestJetCheapest$412Average$594FlexibilityNo cancel feeOn-time60%

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