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Ontario

$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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$255
(Mytrip)

One-way from

$96
(Mytrip)

Popular in

February

Cheapest in

January

Average price

$582
From San Antonio to Ontario
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One-way flight from San Antonio to Ontario
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High demand for flights, 2% potential price rise
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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 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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amSAT - YYZ
1 stop13h 00mMultiple Airlines
Mon 12/812:50 pmYYZ - SAT
1 stop10h 37mMultiple Airlines
Deal found 9/13$255
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amSAT - YYZ
1 stop11h 58mMultiple Airlines
Sun 10/1210:25 pmYYZ - SAT
2 stops50h 15mMultiple Airlines
Deal found 9/13$289
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:00 amSAT - YYZ
2 stops15h 11mMultiple Airlines
Wed 11/510:00 amYYZ - SAT
1 stop29h 07mMultiple Airlines
Deal found 9/13$308
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/19:47 pmSAT - YYZ
2 stops22h 05mMultiple Airlines
Sun 10/56:30 amYYZ - SAT
1 stop13h 00mMultiple Airlines
Deal found 9/14$312
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:45 pmSAT - YYZ
1 stop9h 56mMultiple Airlines
Mon 10/610:25 pmYYZ - SAT
2 stops26h 15mMultiple Airlines
Deal found 9/13$322
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:17 pmSAT - YYZ
1 stop17h 48mMultiple Airlines
Mon 9/292:00 pmYYZ - SAT
2 stops31h 52mMultiple Airlines
Deal found 9/13$327
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/112:04 pmSAT - YYZ
2 stops15h 08mMultiple Airlines
Mon 10/139:35 amYYZ - SAT
1 stop9h 55mMultiple Airlines
Deal found 9/13$330
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:47 pmSAT - YYZ
2 stops31h 25mMultiple Airlines
Sun 10/59:35 amYYZ - SAT
1 stop9h 55mMultiple Airlines
Deal found 9/13$331
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:00 amSAT - YUL
2 stops16h 41mMultiple Airlines
Wed 10/296:45 amYUL - SAT
2 stops17h 55mMultiple Airlines
Deal found 9/13$386
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:30 amSAT - YUL
1 stop8h 20mUnited Airlines
Tue 10/214:30 pmYUL - SAT
1 stop7h 05mUnited Airlines
Deal found 9/14$429
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amSAT - YUL
2 stops31h 12mMultiple Airlines
Tue 11/46:45 amYUL - SAT
2 stops17h 55mMultiple Airlines
Deal found 9/12$436
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/62:26 pmSAT - YUL
1 stop7h 18mAmerican Airlines
Fri 10/103:44 pmYUL - SAT
1 stop6h 42mAmerican Airlines
Deal found 9/14$490

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 September 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

Fri 12/5

6:00 am-8:00 pm

1 stop13h 00m

Toronto Pearson Intl

Mon 12/8

12:50 pm-10:27 pm

1 stop10h 37m

$255

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 10/8

7:00 am-7:58 pm

1 stop11h 58m

Toronto Pearson Intl

Sun 10/12

10:25 pm-11:40 pm

2 stops50h 15m

$289

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 10/29

7:00 am-11:11 pm

2 stops15h 11m

Toronto Pearson Intl

Wed 11/5

10:00 am-2:07 pm

1 stop29h 07m

$308

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 10/3

12:45 pm-11:41 pm

1 stop9h 56m

Toronto Pearson Intl

Mon 10/6

10:25 pm-11:40 pm

2 stops26h 15m

$322

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 9/26

7:17 pm-2:05 pm

1 stop17h 48m

Toronto Pearson Intl

Mon 9/29

2:00 pm-8:52 pm

2 stops31h 52m

$327

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 2/11

6:00 am-12:30 am

1 stop17h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 2/18

5:25 pm-3:11 pm

2 stops22h 46m

$386

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 9/25

7:17 pm-11:52 pm

1 stop27h 35m

Toronto Pearson Intl

Mon 9/29

10:25 pm-8:52 pm

2 stops23h 27m

$396

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 10/14

5:30 am-2:50 pm

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

4:30 pm-10:35 pm

1 stop7h 05m

$429

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 10/28

7:00 am-3:12 pm

2 stops31h 12m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

6:45 am-11:40 pm

2 stops17h 55m

$436

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 2/14

3:02 pm-12:30 am

1 stop8h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 2/18

5:25 pm-3:11 pm

2 stops22h 46m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 21 results
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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, January is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $243). Flying from San Antonio to Region of Ontario in August is currently the most expensive (average of $348). 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 September 15, 2025.

When flying from San Antonio to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 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
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
3,091 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Departing from San Antonio to Region of Ontario will take you 8h 20m. The distance from San Antonio to Region of Ontario is about 1732 mi.

  • 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, January is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $243). Flying from San Antonio to Region of Ontario in August is currently the most expensive (average of $348). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$297Average$662FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$298Average$673FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$306Average$481FlexibilityNo cancel feeOn-time71%
WestJetCheapest$349Average$527FlexibilityNo cancel feeOn-time60%

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