Ontario

$157+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Jun 3 — Jun 101
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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 May 4, 2026.

This Flightnetwork deal was found by Cheapflights users on 5/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:30 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Wed 6/106:35 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 5/1$347
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 am
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Fri 9/116:30 pm
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 4/30$407
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 9/105:24 pm
SAT
-
YYZ
1 stop15h 30m
United Airlines
Fri 9/1112:45 pm
YYZ
-
SAT
1 stop8h 52m
United Airlines
Deal found 4/30$408
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Mon 6/154:00 pm
SAT
-
YYZ
1 stop6h 02m
WestJet
Thu 6/251:40 pm
YYZ
-
SAT
1 stop8h 01m
WestJet
Deal found 4/29$412
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 6/168:56 pm
SAT
-
YYZ
2 stops27h 09m
Multiple Airlines
Mon 6/226:05 am
YYZ
-
SAT
1 stop5h 30m
Multiple Airlines
Deal found 4/29$418
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 9/98:00 am
SAT
-
YYZ
1 stop7h 45m
WestJet
Tue 9/156:15 am
YYZ
-
SAT
1 stop5h 55m
WestJet
Deal found 4/30$421
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 7/2210:38 am
SAT
-
YYZ
1 stop5h 41m
WestJet
Fri 8/77:45 am
YYZ
-
SAT
1 stop6h 31m
WestJet
Deal found 4/30$422
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/25:20 am
SAT
-
YYZ
1 stop4h 59m
WestJet
Wed 6/38:00 am
YYZ
-
SAT
2 stops10h 20m
WestJet
Deal found 4/30$427
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/275:30 pm
SAT
-
YYZ
1 stop5h 29m
United Airlines
Sun 5/317:00 am
YYZ
-
SAT
1 stop6h 12m
United Airlines
Deal found 5/1$432
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:10 pm
SAT
-
YYZ
1 stop8h 54m
Delta
Sun 9/136:15 am
YYZ
-
SAT
1 stop5h 55m
Delta
Deal found 4/29$433
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 8/62:21 pm
SAT
-
YYZ
1 stop6h 40m
Multiple Airlines
Tue 8/186:30 am
YYZ
-
SAT
2 stops34h 43m
Multiple Airlines
Deal found 4/29$434
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 6/47:55 am
SAT
-
YYZ
1 stop8h 20m
Multiple Airlines
Mon 6/89:00 am
YYZ
-
SAT
2 stops36h 11m
Multiple Airlines
Deal found 4/29$435

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$347
(Flightnetwork)

One-way from

$157
(Mytrip)

Popular in

December

Cheapest in

June

Average price

$584

Good round-trip deal

$407 or less

Good one-way deal

$177 or less
Provider with most accurate pricing for San Antonio-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for San Antonio-Toronto (YTO) flights.
From San Antonio to Ontario
One-way flight from San Antonio to Ontario
Highest demand for flights based on searches. 11% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from San Antonio to Ontario.
Price to beat on a one-way flight from San Antonio to Ontario.

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 May 4, 2026.
Use the filters below to find and compare flights from San Antonio to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 7/30

6:40 am-5:19 pm

1 stop9h 39m

Toronto Pearson Intl

Mon 8/3

7:45 am-5:14 pm

1 stop10h 29m

$432
Quickest round-trip

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 5/27

5:30 pm-11:59 pm

1 stop5h 29m

Toronto Pearson Intl

Sun 5/31

7:00 am-12:12 pm

1 stop6h 12m

$432

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 5/16

6:49 am-1:42 pm

1 stop5h 53m

Toronto Pearson Intl

Fri 5/29

7:00 am-12:12 pm

1 stop6h 12m

$433

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 6/1

5:18 pm-11:59 pm

1 stop5h 41m

Toronto Pearson Intl

Mon 6/8

7:43 pm-10:59 am

1 stop16h 16m

$433

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 7/22

5:30 am-3:46 pm

2 stops9h 16m

Toronto Pearson Intl

Fri 8/7

10:45 am-4:55 pm

1 stop7h 10m

$442

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Fri 9/25

12:50 pm-11:10 pm

1 stop9h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 10/3

6:00 am-2:57 pm

1 stop9h 57m

$450

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 9/5

12:50 pm-11:10 pm

1 stop9h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 9/14

6:00 am-2:57 pm

1 stop9h 57m

$450

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 8/29

1:44 pm-10:06 pm

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 9/6

6:10 am-12:11 pm

1 stop7h 01m

$455

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 9/5

9:00 am-4:22 pm

1 stop6h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 9/14

9:45 am-9:13 pm

2 stops12h 28m

$458

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Fri 8/7

12:05 pm-11:59 pm

1 stop10h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 8/10

6:00 am-3:52 pm

1 stop10h 52m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 34 resultsSorted by cheapest first
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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

How far ahead should I book a flight from San Antonio to Region of Ontario?

To ensure you get the cheapest price possible for a flight from San Antonio to Region of Ontario, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $121). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of $503). 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 May 4, 2026.

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.

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 May 4, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from San Antonio to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 5h 29m. The distance from San Antonio to Region of Ontario is about 1424 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $141 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 $166. On average you can expect to pay $364. The most popular route, (San Antonio - Toronto Pearson Intl), can usually be booked for $385.

  • 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, May is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $121). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of $503). 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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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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$546FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$293Average$541FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$327Average$516FlexibilityNo cancel feeOn-time69%
WestJetCheapest$404Average$523FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$480Average$515FlexibilityNo cancel feeOn-time71%

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