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Cheap flights from San Antonio to Ontario from C$ 213

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
1 Jun — 8 Jun1
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 2 May 2026.

Thu 4/68:30 a.m.
SAT
-
YYZ
Nonstop3h 30m
Air Canada
Wed 10/66:35 p.m.
YYZ
-
SAT
Nonstop3h 43m
Air Canada
Deal found 1/5C$ 471
Sat 16/58:30 a.m.
SAT
-
YOW
1 stop7h 41m
Air Canada
Fri 22/512:00 p.m.
YOW
-
SAT
1 stop10h 18m
Air Canada
Deal found 29/4C$ 498
Sat 13/68:30 a.m.
SAT
-
YOW
1 stop7h 41m
Air Canada
Wed 17/64:00 p.m.
YOW
-
SAT
1 stop6h 18m
Air Canada
Deal found 27/4C$ 520
Sat 16/56:49 a.m.
SAT
-
YYZ
1 stop5h 53m
United Airlines
Sat 16/53:53 p.m.
YYZ
-
SAT
1 stop8h 06m
United Airlines
Deal found 28/4C$ 539
Sat 6/65:30 a.m.
SAT
-
YOW
2 stops12h 18m
United Airlines
Tue 9/66:25 a.m.
YOW
-
SAT
1 stop6h 47m
United Airlines
Deal found 30/4C$ 546
Tue 19/57:54 p.m.
SAT
-
YYZ
2 stops28h 11m
Multiple Airlines
Wed 17/69:55 a.m.
YYZ
-
SAT
1 stop11h 16m
Multiple Airlines
Deal found 28/4C$ 551
Thu 11/64:15 p.m.
SAT
-
YYZ
1 stop6h 43m
WestJet
Sat 20/64:10 p.m.
YYZ
-
SAT
1 stop7h 11m
WestJet
Deal found 28/4C$ 553
Thu 10/95:24 p.m.
SAT
-
YYZ
1 stop15h 30m
United Airlines
Fri 11/912:45 p.m.
YYZ
-
SAT
1 stop8h 52m
United Airlines
Deal found 30/4C$ 554
Thu 28/55:25 a.m.
SAT
-
YYZ
1 stop5h 54m
WestJet
Thu 18/66:34 p.m.
YYZ
-
SAT
1 stop6h 59m
WestJet
Deal found 28/4C$ 555
Mon 15/64:00 p.m.
SAT
-
YYZ
1 stop6h 02m
WestJet
Thu 25/61:40 p.m.
YYZ
-
SAT
1 stop8h 01m
WestJet
Deal found 29/4C$ 559
Tue 19/57:54 p.m.
SAT
-
YYZ
2 stops28h 11m
Multiple Airlines
Fri 19/66:05 a.m.
YYZ
-
SAT
1 stop5h 30m
Multiple Airlines
Deal found 28/4C$ 568
Thu 18/65:15 a.m.
SAT
-
YYZ
1 stop5h 04m
Multiple Airlines
Mon 22/610:50 a.m.
YYZ
-
SAT
2 stops34h 21m
Multiple Airlines
Deal found 27/4C$ 569

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 2 May 2026.

Round-trip from

C$ 471

One-way from

C$ 213

Popular in

December

Cheapest in

June

Average price

C$ 793
Air Canada
  • Air Canada
  • 4/6-10/6
  • Nonstop
  • 7h 13m total
  • San Antonio to Ontario
Search Deals
19/6
  • 19/6
  • 1 total stop
  • 17h 23m total
  • San Antonio to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 2 May 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

Sat 16/5

6:49 a.m.-1:42 p.m.

1 stop5h 53m

Toronto Pearson Intl

Sat 16/5

3:53 p.m.-10:59 p.m.

1 stop8h 06m

C$ 539

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Sat 6/6

5:30 a.m.-6:48 p.m.

2 stops12h 18m

Ottawa

Tue 9/6

6:25 a.m.-12:12 p.m.

1 stop6h 47m

C$ 546

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 16/5

5:20 a.m.-3:19 p.m.

1 stop8h 59m

Toronto Pearson Intl

Mon 18/5

1:34 p.m.-8:28 p.m.

1 stop7h 54m

C$ 573

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 11/6

2:40 p.m.-11:58 p.m.

1 stop8h 18m

Toronto Pearson Intl

Mon 22/6

6:15 a.m.-3:14 p.m.

1 stop9h 59m

C$ 573

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.-10:38 p.m.

1 stop7h 45m

C$ 573

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 15/5

4:00 p.m.-11:58 p.m.

1 stop6h 58m

Toronto Pearson Intl

Mon 18/5

9:49 a.m.-3:52 p.m.

1 stop7h 03m

C$ 573

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 13/7

6:40 a.m.-3:46 p.m.

1 stop8h 06m

Toronto Pearson Intl

Thu 16/7

11:00 a.m.-4:03 p.m.

1 stop6h 03m

C$ 573

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 11/6

7:40 a.m.-5:19 p.m.

1 stop8h 39m

Toronto Pearson Intl

Sun 14/6

4:10 p.m.-10:21 p.m.

1 stop7h 11m

C$ 573

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 7/8

1:39 p.m.-9:32 p.m.

1 stop6h 53m

Toronto Pearson Intl

Thu 20/8

8:50 a.m.-4:08 p.m.

1 stop8h 18m

C$ 573

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 30/7

10:38 a.m.-10:01 p.m.

1 stop10h 23m

Toronto Pearson Intl

Mon 3/8

4:10 p.m.-10:22 p.m.

1 stop7h 12m

C$ 573

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 55 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?

The best time to book flights from San Antonio to Region of Ontario is 49 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.

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$ 164). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of C$ 683). 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.

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

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 Air Canada can get you from San Antonio to Region of Ontario in just under 5h 53m. Your travel time can differ by up to 3h 06m. 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$ 164). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of C$ 683). 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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Fly with Cheapflights

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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.

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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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