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

United Airlines and Delta can get you from Region of Ontario to San Antonio in just under 9h 41m. Your travel time can differ by up to 1h 15m. There are 2292 km between Region of Ontario and San Antonio. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Region of Ontario to San Antonio one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 230. Air Canada flights start at C$ 254 while deals on United Airlines start at C$ 274 one-way.

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 mm per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

When deciding which route to take from Region of Ontario to San Antonio consider Toronto Pearson Intl - San Antonio, Toronto Island - San Antonio or Montreal Pierre Elliott Trudeau Intl - San Antonio as they are the most popular.

What are the cheapest flights from Region of Ontario to San Antonio?

The cheapest flight price from Region of Ontario to San Antonio is C$ 393. On average you can expect to pay C$ 460. The most popular route, (Toronto Pearson Intl - San Antonio), can usually be booked for C$ 376.

What are the most popular airlines that fly from Region of Ontario to San Antonio?

WestJet, Air Canada and United Airlines are the most popular airlines when flying from Region of Ontario to San Antonio.

What airport do you fly into for flights to San Antonio from Ontario?

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

Can I find deals for flights from Ontario to San Antonio that include hotel bookings?

Yes. In addition to deals on Ontario to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Antonio.

Can I find deals for business class flights from Ontario to San Antonio?

Yes. Cheapflights offers flight deals from Ontario to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 208+ Cheap Flights from Ontario to San Antonio

Cheap flight deals from Ontario to San Antonio

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to San Antonio
Explore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Mon 5/107:30 p.m. -

Nonstop3h 43m

Tue 13/108:50 a.m. -

Nonstop3h 30m

Deal found 16/9C$ 341

Sat 10/106:10 a.m. -

1 stop10h 43m

Thu 22/108:50 a.m. -

Nonstop3h 30m

Deal found 16/9C$ 364

Tue 3/116:45 a.m. -

2 stops9h 53m

Tue 10/119:35 a.m. -

1 stop12h 02m

Deal found 20/9C$ 383

Tue 3/116:10 a.m. -

1 stop8h 06m

Tue 17/117:00 a.m. -

1 stop6h 25m

Deal found 16/9C$ 385

Sat 17/106:10 a.m. -

1 stop10h 43m

Tue 20/108:50 a.m. -

Nonstop3h 30m

Deal found 16/9C$ 386

Sat 10/1011:38 a.m. -

1 stop9h 10m

Sun 18/106:50 a.m. -

1 stop9h 28m

Deal found 19/9C$ 394

Fri 9/102:26 p.m. -

1 stop9h 41m

Tue 13/101:41 p.m. -

1 stop9h 18m

Deal found 16/9C$ 396

Fri 16/1012:49 p.m. -

1 stop9h 21m

Tue 20/106:50 a.m. -

1 stop9h 28m

Deal found 16/9C$ 408

Thu 8/102:26 p.m. -

1 stop9h 41m

Sun 11/105:15 a.m. -

1 stop7h 21m

Deal found 16/9C$ 436

Mon 5/102:31 p.m. -

1 stop9h 20m

Tue 13/101:48 p.m. -

1 stop9h 18m

Deal found 17/9C$ 450

Fri 16/1010:45 a.m. -

1 stop14h 13m

Mon 19/107:25 p.m. -

2 stops13h 29m

Deal found 17/9C$ 453

Sat 7/117:00 a.m. -

1 stop9h 13m

Sat 14/116:15 a.m. -

1 stop6h 13m

Deal found 17/9C$ 453

Best flights from Ontario to San Antonio
Discover carefully curated flight deals from Ontario to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Sat 10/106:10 a.m. -

1 stop10h 43m

Thu 22/108:50 a.m. -

Nonstop3h 30m

Deal found 16/9C$ 364

Tue 3/1112:55 p.m. -

2 stops10h 56m

Tue 10/1111:45 a.m. -

2 stops10h 41m

Deal found 20/9C$ 383

Sun 25/102:26 p.m. -

1 stop9h 41m

Wed 28/105:30 a.m. -

1 stop5h 49m

Deal found 20/9C$ 383

Thu 10/127:00 a.m. -

1 stop9h 04m

Sun 13/127:00 a.m. -

1 stop7h 16m

Deal found 16/9C$ 569

Sat 10/106:10 a.m. -

1 stop14h 20m

Sat 17/105:30 a.m. -

1 stop7h 54m

Deal found 19/9C$ 383

Wed 4/1111:38 a.m. -

1 stop9h 10m

Fri 13/116:30 a.m. -

1 stop8h 45m

Deal found 20/9C$ 383

Fri 2/1012:45 p.m. -

2 stops9h 46m

Mon 5/105:30 a.m. -

1 stop7h 54m

Deal found 17/9C$ 383

Tue 3/113:35 p.m. -

2 stops8h 16m

Mon 16/115:34 p.m. -

1 stop5h 25m

Deal found 16/9C$ 385

Fri 20/117:10 a.m. -

1 stop11h 30m

Mon 23/114:00 p.m. -

1 stop6h 27m

Deal found 18/9C$ 478

Wed 9/125:55 p.m. -

1 stop15h 34m

Sat 12/125:15 a.m. -

1 stop10h 25m

Deal found 16/9C$ 569

Fri 16/106:50 p.m. -

1 stop6h 43m

Tue 20/104:32 p.m. -

1 stop6h 22m

Deal found 17/9C$ 478

Wed 28/107:00 a.m. -

1 stop9h 13m

Sun 1/117:00 a.m. -

1 stop7h 16m

Deal found 20/9C$ 478

Fri 16/106:10 a.m. -

1 stop7h 01m

Tue 20/1012:50 p.m. -

1 stop8h 16m

Deal found 16/9C$ 480

Wed 4/1112:05 p.m. -

1 stop12h 33m

Fri 13/117:00 a.m. -

1 stop10h 57m

Deal found 20/9C$ 523

Thu 1/103:15 p.m. -

1 stop6h 23m

Mon 5/1012:10 p.m. -

1 stop5h 47m

Deal found 20/9C$ 818

Thu 5/1112:05 p.m. -

2 stops21h 24m

Thu 12/117:15 p.m. -

2 stops20h 27m

Deal found 20/9C$ 523

Fri 16/103:15 p.m. -

1 stop6h 23m

Tue 20/1012:10 p.m. -

1 stop5h 47m

Deal found 16/9C$ 822

Mon 5/103:15 p.m. -

1 stop6h 23m

Tue 13/1012:10 p.m. -

1 stop5h 47m

Deal found 16/9C$ 843

Wed 6/19:30 a.m. -

2 stops12h 50m

Sat 16/16:38 a.m. -

2 stops12h 00m

Deal found 19/9C$ 591

Thu 12/1112:05 p.m. -

2 stops10h 21m

Sun 15/116:34 a.m. -

1 stop9h 08m

Deal found 18/9C$ 660

Fri 30/109:45 a.m. -

2 stops10h 25m

Tue 3/119:35 a.m. -

2 stops10h 41m

Deal found 18/9C$ 761

Mon 2/114:46 p.m. -

1 stop7h 52m

Mon 9/116:15 a.m. -

1 stop14h 41m

Deal found 18/9C$ 761

Thu 10/129:45 a.m. -

1 stop12h 04m

Sun 13/126:45 a.m. -

1 stop14h 11m

Deal found 19/9C$ 761

Find flight deals from Ontario to San Antonio

Round-trip from	C$ 341
One-way from	C$ 208
Popular in	December
Cheapest in	September
Average price	C$ 436
Good round-trip deal	C$ 460 or less

Air Canada
5/10-13/10
Nonstop
7h 13m total
Ontario to San Antonio

Search Deals

Air Canada
5/10-31/12
Nonstop
3h 43m total
Ontario to San Antonio

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 95 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Ontario to San Antonio.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Tue 6/10

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

1 stop7h 07m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 229

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Thu 15/10

6:10 p.m.-11:07 p.m.

1 stop5h 57m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 232

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Thu 29/10

12:55 p.m.-10:51 p.m.

2 stops10h 56m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 232

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Mon 2/11

12:49 p.m.-9:10 p.m.

1 stop9h 21m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 232

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Wed 4/11

6:45 a.m.-3:38 p.m.

2 stops9h 53m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 232

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Mon 23/11

12:20 p.m.-10:06 p.m.

1 stop10h 46m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 232

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Fri 2/10

8:50 a.m.-4:31 p.m.

1 stop8h 41m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 234

Quickest round-trip

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Sun 6/12

6:00 a.m.-10:55 a.m.

1 stop5h 55m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 234

TorontoSan Antonio

YYZ Toronto Pearson Intl - SAT San Antonio

YYZSAT

Toronto Pearson Intl

Fri 16/10

9:00 p.m.-12:06 p.m.

1 stop16h 06m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 234

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

6:00 a.m.-4:05 p.m.

1 stop11h 05m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 281

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/9

Showing 1-10 of 53 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Ontario with our price prediction graph.

YYZ-SAT

YUL-SAT

YTZ-SAT

YOW-SAT

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 Ontario to San Antonio

CAON-SAT

YYZ-SAT

YUL-SAT

YTZ-SAT

YOW-SAT

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of C$ 548). Flying from Region of Ontario to San Antonio in December is currently the most expensive (average of C$ 751). 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 ON to SAT?

When flying from Region of Ontario to San Antonio, 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 Region of Ontario to San Antonio?

Airfare is below average for this route at the moment.

Region of Ontario to San Antonio flights typically cost between C$ 515 and C$ 773 in October.
The cheapest round-trip price found within the last 5 days was C$ 341 on Air Canada (5 Oct-13 Oct).

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

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

What airport do you fly into for flights to San Antonio from Ontario?
Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Ontario. San Antonio is conveniently located just 12.2 km from San Antonio’s city centre.
How long is the flight from Region of Ontario to San Antonio?
United Airlines and Delta can get you from Region of Ontario to San Antonio in just under 9h 41m. Your travel time can differ by up to 1h 15m. There are 2292 km between Region of Ontario and San Antonio. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Region of Ontario to San Antonio one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 230. Air Canada flights start at C$ 254 while deals on United Airlines start at C$ 274 one-way.
What are the most popular routes from Region of Ontario to San Antonio?
When deciding which route to take from Region of Ontario to San Antonio consider Toronto Pearson Intl - San Antonio, Toronto Island - San Antonio or Montreal Pierre Elliott Trudeau Intl - San Antonio as they are the most popular.
What are the cheapest flights from Region of Ontario to San Antonio?
The cheapest flight price from Region of Ontario to San Antonio is C$ 393. On average you can expect to pay C$ 460. The most popular route, (Toronto Pearson Intl - San Antonio), can usually be booked for C$ 376.
Can I find deals for flights from Ontario to San Antonio that include hotel bookings?
Yes. In addition to deals on Ontario to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Antonio.
Can I find deals for business class flights from Ontario to San Antonio?
Yes. Cheapflights offers flight deals from Ontario to San Antonio 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 Region of Ontario to San Antonio?
Currently, May is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of C$ 548). Flying from Region of Ontario to San Antonio in December is currently the most expensive (average of C$ 751). 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 Ontario to San Antonio

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Top 5 airlines flying from Ontario to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 261	AverageC$ 514	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 382	AverageC$ 596	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 405	AverageC$ 631	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	CheapestC$ 456	AverageC$ 624	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 504	AverageC$ 624	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

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

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

Yes! Cheapflights helps users easily find flights from Ontario to San Antonio with no change fees.

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Cheap flights from Ontario to San Antonio from C$ 208

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to San Antonio

Cheapest flights from Ontario to San AntonioExplore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Explore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Best flights from Ontario to San AntonioDiscover carefully curated flight deals from Ontario to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Ontario to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Direct flights from Ontario to San AntonioExplore direct flight options from Ontario to San Antonio based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Explore direct flight options from Ontario to San Antonio based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Last-minute flights from Ontario to San AntonioDiscover last-minute flight deals from Ontario to San Antonio. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to San Antonio. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Ontario to San AntonioSearch for one-way flight options from Ontario to San Antonio. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from Ontario to San Antonio. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Ontario to San Antonio

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Ontario with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from ON to SAT?

Find hourly flight availability from Ontario to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 September 2026.

When flying from Region of Ontario to San Antonio, 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 Region of Ontario to San Antonio?

Airfare is below average for this route at the moment.

Region of Ontario to San Antonio flights typically cost between C$ 515 and C$ 773 in October.The cheapest round-trip price found within the last 5 days was C$ 341 on Air Canada (5 Oct-13 Oct).

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

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

What airport do you fly into for flights to San Antonio from Ontario?

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

What are the cheapest airlines to fly from Region of Ontario to San Antonio one-way?

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

What are the cheapest flights from Region of Ontario to San Antonio?

Can I find deals for flights from Ontario to San Antonio that include hotel bookings?

How can I find direct flights from Ontario to San Antonio?

Can I find deals for business class flights from Ontario to San Antonio?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.

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Search flights from Ontario to San Antonio by cabin class

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Ontario and San Antonio flights

Browse other Ontario and San Antonio flight options. Last updated on 21 September 2026.

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Ontario to San Antonio flights

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Top 5 airlines flying from Ontario to San Antonio

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Cheapest flights from Ontario to San Antonio
Explore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Best flights from Ontario to San Antonio
Discover carefully curated flight deals from Ontario to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Direct flights from Ontario to San Antonio
Explore direct flight options from Ontario to San Antonio based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Last-minute flights from Ontario to San Antonio
Discover last-minute flight deals from Ontario to San Antonio. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Ontario to San Antonio
Search for one-way flight options from Ontario to San Antonio. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Region of Ontario to San Antonio flights typically cost between C$ 515 and C$ 773 in October.
The cheapest round-trip price found within the last 5 days was C$ 341 on Air Canada (5 Oct-13 Oct).