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$96+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find 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 October 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.
Mon 12/18:33 pmSAT - YYZ
1 stop20h 20mMultiple Airlines
Thu 12/45:15 pmYYZ - SAT
1 stop21h 03mMultiple Airlines
Deal found 10/27$294
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.
Mon 11/247:37 pmSAT - YYZ
1 stop15h 06mMultiple Airlines
Mon 12/15:15 pmYYZ - SAT
1 stop23h 44mMultiple Airlines
Deal found 10/27$300
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.
Wed 11/127:37 pmSAT - YYZ
1 stop18h 03mMultiple Airlines
Wed 11/195:15 pmYYZ - SAT
1 stop26h 27mMultiple Airlines
Deal found 10/26$317
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/156:05 pmSAT - YUL
1 stop29h 25mMultiple Airlines
Sun 11/238:00 amYUL - SAT
1 stop11h 32mMultiple Airlines
Deal found 10/29$345
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.
Sat 11/810:58 amSAT - YUL
1 stop12h 32mMultiple Airlines
Tue 11/116:45 amYUL - SAT
2 stops12h 47mMultiple Airlines
Deal found 10/27$353
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.
Thu 12/112:13 pmSAT - YYZ
1 stop8h 58mMultiple Airlines
Thu 12/187:55 pmYYZ - SAT
1 stop10h 40mMultiple Airlines
Deal found 10/27$361
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.
Fri 11/2111:39 amSAT - YYZ
1 stop17h 41mMultiple Airlines
Tue 11/257:15 amYYZ - SAT
2 stops12h 01mMultiple Airlines
Deal found 10/27$366
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.
Tue 11/117:37 pmSAT - YYZ
1 stop15h 06mMultiple Airlines
Sun 1/43:40 pmYYZ - SAT
2 stops26h 21mMultiple Airlines
Deal found 10/28$371
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.
Fri 12/122:13 pmSAT - YYZ
1 stop20h 30mMultiple Airlines
Fri 12/199:35 amYYZ - SAT
1 stop29h 32mMultiple Airlines
Deal found 10/28$394
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.
Thu 11/137:37 pmSAT - YUL
1 stop18h 33mMultiple Airlines
Wed 11/196:45 amYUL - SAT
2 stops12h 47mMultiple Airlines
Deal found 10/28$411

Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$270
(Kiwi.com)

One-way from

$96
(Trip.com)

Popular in

September

Cheapest in

January

Average price

$611

Good round-trip deal

$632 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. 16% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip 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 October 29, 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

Fri 12/5

3:10 pm-2:20 pm

1 stop22h 10m

Toronto Pearson Intl

Wed 12/10

5:15 pm-8:15 am

1 stop16h 00m

$283

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 11/30

7:39 pm-11:43 am

1 stop15h 04m

Toronto Pearson Intl

Wed 12/10

5:15 pm-8:15 am

1 stop16h 00m

$287

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 12/2

4:54 pm-12:11 am

1 stop30h 17m

Toronto Pearson Intl

Fri 12/12

5:15 pm-2:15 pm

1 stop22h 00m

$290

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 12/5

3:10 pm-12:11 am

1 stop8h 01m

Toronto Pearson Intl

Sat 12/13

7:10 am-2:15 pm

1 stop8h 05m

$313

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 11/30

7:39 pm-11:43 am

1 stop15h 04m

Toronto Pearson Intl

Sat 12/13

7:10 am-2:15 pm

1 stop8h 05m

$317

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 12/4

3:10 pm-12:11 am

1 stop8h 01m

Toronto Pearson Intl

Fri 12/12

12:50 pm-11:26 pm

2 stops11h 36m

$337

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 12/1

8:33 pm-2:05 pm

1 stop16h 32m

Toronto Pearson Intl

Thu 12/4

8:30 pm-1:18 pm

2 stops17h 48m

$342

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 11/8

10:58 am-12:30 am

1 stop12h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

6:45 am-6:32 pm

2 stops12h 47m

$353

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 12/3

8:33 pm-2:40 pm

2 stops17h 07m

Toronto Pearson Intl

Sat 12/13

7:10 am-2:15 pm

1 stop8h 05m

$355

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 12/3

7:37 pm-2:40 pm

1 stop18h 03m

Toronto Pearson Intl

Fri 12/12

12:50 pm-11:26 pm

2 stops11h 36m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 30 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 $298). 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 October 29, 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 October 29, 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
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
WestJet
7.2
Good
3,148 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,371 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 flights from San Antonio to Region of Ontario?

    The cheapest flight price from San Antonio to Region of Ontario is $384. On average you can expect to pay $651. The most popular route, (San Antonio - Toronto Pearson Intl), can usually be booked for $294.

  • 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 $298). 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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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$489FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$673FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$339Average$673FlexibilityNo cancel feeOn-time67%
WestJetCheapest$349Average$564FlexibilityNo cancel feeOn-time60%

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