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Cheap flights from San Antonio to Ontario from C$ 264

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Antonio to Ontario

Enter your travel dates to find the best prices.

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 19 June 2026.

Thu 2/78:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Wed 8/76:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 18/6C$ 524
Thu 15/109:00 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Wed 21/106:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 16/6C$ 583
Sat 15/88:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Fri 4/96:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 16/6C$ 596
Thu 15/105:30 a.m.
SAT
-
YYZ
1 stop7h 54m
Multiple Airlines
Wed 21/106:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Multiple Airlines
Deal found 16/6C$ 597
Thu 2/78:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Fri 10/76:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 16/6C$ 599
Tue 15/94:12 p.m.
SAT
-
YYZ
2 stops16h 07m
Multiple Airlines
Fri 18/96:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Multiple Airlines
Deal found 15/6C$ 604
Thu 2/78:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Multiple Airlines
Wed 8/74:10 p.m.
YYZ
-
SAT
1 stop7h 12m
Multiple Airlines
Deal found 14/6C$ 606
Tue 13/109:00 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Tue 27/104:30 p.m.
YYZ
-
SAT
1 stop7h 38m
Air Canada
Deal found 15/6C$ 607
Tue 18/88:50 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Mon 31/86:30 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 16/6C$ 610
Sat 4/75:40 a.m.
SAT
-
YYZ
1 stop8h 34m
United Airlines
Sat 4/75:45 p.m.
YYZ
-
SAT
1 stop6h 12m
United Airlines
Deal found 18/6C$ 611
Tue 20/106:35 a.m.
SAT
-
YYZ
1 stop10h 21m
United Airlines
Sat 24/1010:45 a.m.
YYZ
-
SAT
1 stop7h 07m
United Airlines
Deal found 15/6C$ 618
Thu 2/78:50 a.m.
SAT
-
YUL
1 stop8h 10m
Air Canada
Wed 8/710:40 a.m.
YUL
-
SAT
2 stops11h 33m
Air Canada
Deal found 16/6C$ 664

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 19 June 2026.

Round-trip from

C$ 524

One-way from

C$ 264

Popular in

October

Cheapest in

July

Average price

C$ 620
Air Canada
  • Air Canada
  • 2/7-8/7
  • Nonstop
  • 7h 13m total
  • San Antonio to Ontario
Search Deals
United Airlines
  • United Airlines
  • 18/10
  • 1 total stop
  • 7h 54m total
  • San Antonio to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 629,999 searches. Data last updated 19 June 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

Tue 20/10

6:35 a.m.-5:56 p.m.

1 stop10h 21m

Toronto Pearson Intl

Sat 24/10

10:45 a.m.-4:52 p.m.

1 stop7h 07m

C$ 618

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 17/9

8:00 a.m.-5:18 p.m.

1 stop8h 18m

Toronto Pearson Intl

Sun 20/9

6:10 p.m.-10:46 p.m.

1 stop5h 36m

C$ 618

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 7/9

7:35 a.m.-2:24 p.m.

1 stop5h 49m

Toronto Pearson Intl

Wed 23/9

3:53 p.m.-10:44 p.m.

1 stop7h 51m

C$ 618

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 18/9

1:31 p.m.-9:59 p.m.

1 stop7h 28m

Toronto Pearson Intl

Sun 20/9

6:34 p.m.-12:16 a.m.

1 stop6h 42m

C$ 618

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 17/8

12:05 p.m.-11:57 p.m.

1 stop10h 52m

Toronto Pearson Intl

Fri 21/8

9:45 a.m.-3:54 p.m.

1 stop7h 09m

C$ 645

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 21/8

1:00 p.m.-10:23 p.m.

1 stop8h 23m

Toronto Pearson Intl

Sun 23/8

7:00 a.m.-11:52 a.m.

1 stop5h 52m

C$ 645

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 2/7

5:15 a.m.-3:19 p.m.

1 stop9h 04m

Toronto Pearson Intl

Thu 9/7

6:00 a.m.-3:10 p.m.

1 stop10h 10m

C$ 645
Quickest round-trip

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 2/8

5:32 p.m.-11:59 p.m.

1 stop5h 27m

Toronto Pearson Intl

Tue 11/8

6:10 a.m.-10:37 a.m.

1 stop5h 27m

C$ 645

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 11/8

2:22 p.m.-11:10 p.m.

1 stop7h 48m

Toronto Pearson Intl

Thu 13/8

6:10 a.m.-10:34 a.m.

1 stop5h 24m

C$ 645

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Fri 28/8

11:29 a.m.-11:30 p.m.

1 stop11h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

7:00 a.m.-1:38 p.m.

1 stop7h 38m

C$ 753

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 41 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

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 C$ 171). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of C$ 710). 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 19 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Antonio to Region of Ontario as you normally would.

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

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

The best time to book flights from San Antonio to Region of Ontario is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your 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?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Ontario. San Antonio is conveniently located just 12.2 km from San Antonio’s city centre.

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

    United Airlines, Delta, and WestJet can get you from San Antonio to Region of Ontario in just under 8h 18m. Your travel time can differ by up to 2h 43m. Airlines will cover a distance of 2292 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from San Antonio to Region of Ontario?

    The most popular route from San Antonio to Region of Ontario is San Antonio - Toronto Pearson Intl. You may also consider San Antonio - Montreal Pierre Elliott Trudeau Intl or San Antonio - Ottawa.

  • 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 C$ 171). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of C$ 710). 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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Hobby to Winnipeg flights
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Love Field to Calgary flights
El Paso to Pearson Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from San Antonio to Ontario?

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Why should you use Cheapflights to find cheap flight tickets from San Antonio to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Antonio to Ontario.

Can Cheapflights find flights from San Antonio to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from San Antonio? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Antonio to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from San Antonio to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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