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

United Airlines, Delta, and Air Canada can get you from Region of Ontario to San Antonio in just under 7h 01m. Your travel time can differ by up to 12h 50m. There are 2652 km between Region of Ontario and San Antonio. This flight may include one or multiple stops.

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, Montreal Pierre Elliott Trudeau Intl - San Antonio or Ottawa - San Antonio as they are the most popular.

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

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

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.

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$ 210+ Flights from Ontario to San Antonio

Q: 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$ 400 and C$ 593 in April. The cheapest round-trip price found within the last 3 days was C$ 364 on Multiple Airlines (6 Apr-10 Apr).

Cheap flight deals from Ontario to San Antonio

Enter your travel dates to find the best prices.

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 29 January 2026.

Mon 6/43:40 p.m.

YYZ

SAT

1 stop18h 52m

Multiple Airlines

Fri 10/410:27 a.m.

SAT

YYZ

1 stop11h 53m

Multiple Airlines

Deal found 28/1C$ 364

Mon 9/33:40 p.m.

YYZ

SAT

1 stop18h 50m

Multiple Airlines

Thu 12/310:27 a.m.

SAT

YYZ

1 stop8h 28m

Multiple Airlines

Deal found 27/1C$ 365

Mon 30/33:40 p.m.

YYZ

SAT

1 stop18h 52m

Multiple Airlines

Wed 8/41:22 p.m.

SAT

YYZ

1 stop9h 52m

Multiple Airlines

Deal found 27/1C$ 368

Tue 24/25:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Sun 1/311:35 a.m.

SAT

YYZ

1 stop18h 08m

Multiple Airlines

Deal found 29/1C$ 369

Tue 31/33:40 p.m.

YYZ

SAT

1 stop18h 52m

Multiple Airlines

Fri 10/410:27 a.m.

SAT

YYZ

1 stop11h 53m

Multiple Airlines

Deal found 27/1C$ 371

Tue 10/35:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Tue 17/32:08 p.m.

SAT

YYZ

1 stop9h 06m

Multiple Airlines

Deal found 27/1C$ 373

Tue 10/35:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Thu 12/310:27 a.m.

SAT

YYZ

1 stop8h 28m

Multiple Airlines

Deal found 27/1C$ 375

Sun 8/310:05 a.m.

YYZ

SAT

1 stop24h 25m

Multiple Airlines

Tue 17/32:08 p.m.

SAT

YYZ

1 stop9h 06m

Multiple Airlines

Deal found 28/1C$ 381

Mon 9/33:40 p.m.

YYZ

SAT

1 stop18h 50m

Multiple Airlines

Mon 16/32:40 p.m.

SAT

YYZ

1 stop8h 34m

Multiple Airlines

Deal found 27/1C$ 390

Tue 10/35:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Mon 16/32:40 p.m.

SAT

YYZ

1 stop8h 34m

Multiple Airlines

Deal found 27/1C$ 398

Fri 17/44:15 p.m.

YOW

SAT

1 stop18h 15m

Multiple Airlines

Thu 30/410:26 a.m.

SAT

YOW

1 stop12h 59m

Multiple Airlines

Deal found 27/1C$ 424

Mon 23/27:00 a.m.

YOW

SAT

1 stop27h 30m

Multiple Airlines

Thu 26/210:26 a.m.

SAT

YOW

1 stop29h 59m

Multiple Airlines

Deal found 27/1C$ 426

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 29 January 2026.

Mon 9/33:40 p.m.

YYZ

SAT

1 stop18h 50m

Multiple Airlines

Tue 17/32:08 p.m.

SAT

YYZ

1 stop9h 06m

Multiple Airlines

Deal found 27/1C$ 365

Sat 14/25:11 p.m.

YOW

SAT

1 stop7h 01m

United Airlines

Thu 19/26:30 a.m.

SAT

YOW

1 stop6h 04m

United Airlines

Deal found 27/1C$ 433

Sun 17/57:00 a.m.

YUL

SAT

1 stop11h 16m

Delta

Sat 23/512:15 p.m.

SAT

YUL

1 stop10h 43m

Delta

Deal found 28/1C$ 567

Tue 24/23:40 p.m.

YYZ

SAT

1 stop18h 50m

Multiple Airlines

Sun 1/311:35 a.m.

SAT

YYZ

2 stops31h 01m

Multiple Airlines

Deal found 26/1C$ 376

Mon 23/24:20 p.m.

YTZ

SAT

2 stops19h 51m

Air Canada

Thu 26/27:05 a.m.

SAT

YTZ

2 stops27h 37m

Air Canada

Deal found 26/1C$ 768

Tue 10/37:15 a.m.

YYZ

SAT

2 stops17h 44m

Multiple Airlines

Mon 16/32:40 p.m.

SAT

YYZ

1 stop8h 34m

Multiple Airlines

Deal found 27/1C$ 391

Mon 23/27:30 p.m.

YOW

SAT

1 stop16h 41m

United Airlines

Thu 26/27:20 p.m.

SAT

YOW

2 stops14h 06m

United Airlines

Deal found 27/1C$ 433

Tue 24/35:11 p.m.

YOW

SAT

1 stop7h 04m

United Airlines

Sat 28/37:15 a.m.

SAT

YOW

1 stop8h 15m

United Airlines

Deal found 26/1C$ 433

Sun 29/38:00 p.m.

YYZ

SAT

1 stop17h 27m

Multiple Airlines

Fri 10/410:27 a.m.

SAT

YYZ

1 stop11h 53m

Multiple Airlines

Deal found 27/1C$ 405

Fri 17/46:25 a.m.

YOW

SAT

1 stop17h 28m

United Airlines

Thu 30/45:29 p.m.

SAT

YOW

2 stops15h 34m

United Airlines

Deal found 27/1C$ 433

Mon 27/46:30 a.m.

YYZ

SAT

1 stop28h 00m

Multiple Airlines

Sat 2/510:26 a.m.

SAT

YYZ

1 stop9h 29m

Multiple Airlines

Deal found 26/1C$ 415

Fri 17/46:45 p.m.

YUL

SAT

1 stop6h 49m

Delta

Thu 30/46:20 a.m.

SAT

YUL

1 stop10h 15m

Delta

Deal found 26/1C$ 567

Mon 23/38:20 p.m.

YYZ

SAT

1 stop18h 03m

Multiple Airlines

Thu 26/310:27 a.m.

SAT

YYZ

1 stop8h 28m

Multiple Airlines

Deal found 28/1C$ 419

Sun 10/56:25 a.m.

YOW

SAT

1 stop6h 50m

United Airlines

Sat 16/52:25 p.m.

SAT

YOW

2 stops18h 38m

United Airlines

Deal found 27/1C$ 468

Fri 15/57:00 a.m.

YUL

SAT

1 stop11h 13m

Delta

Sat 23/512:15 p.m.

SAT

YUL

1 stop10h 43m

Delta

Deal found 28/1C$ 567

Tue 31/33:40 p.m.

YYZ

SAT

1 stop18h 52m

Multiple Airlines

Sat 11/410:27 a.m.

SAT

YYZ

1 stop11h 53m

Multiple Airlines

Deal found 27/1C$ 424

Wed 20/56:00 a.m.

YUL

SAT

1 stop6h 11m

Delta

Sat 23/512:15 p.m.

SAT

YUL

1 stop10h 43m

Delta

Deal found 28/1C$ 567

Fri 17/44:15 p.m.

YOW

SAT

1 stop18h 15m

Multiple Airlines

Thu 30/410:26 a.m.

SAT

YOW

1 stop12h 59m

Multiple Airlines

Deal found 27/1C$ 424

Fri 15/56:15 p.m.

YUL

SAT

1 stop6h 59m

Delta

Tue 19/52:00 p.m.

SAT

YUL

1 stop8h 34m

Delta

Deal found 28/1C$ 567

Mon 9/25:55 p.m.

YOW

SAT

2 stops15h 46m

United Airlines

Thu 12/27:20 p.m.

SAT

YOW

2 stops14h 06m

United Airlines

Deal found 27/1C$ 536

Thu 12/26:00 p.m.

YUL

SAT

1 stop7h 35m

Delta

Wed 18/24:00 p.m.

SAT

YUL

1 stop6h 10m

Delta

Deal found 28/1C$ 567

Tue 10/37:15 a.m.

YYZ

SAT

2 stops17h 44m

Multiple Airlines

Tue 17/32:08 p.m.

SAT

YYZ

1 stop9h 06m

Multiple Airlines

Deal found 28/1C$ 430

Sat 14/22:13 p.m.

YUL

SAT

2 stops9h 59m

United Airlines

Thu 19/26:30 a.m.

SAT

YUL

1 stop5h 58m

United Airlines

Deal found 27/1C$ 566

Wed 11/31:30 p.m.

YYZ

SAT

2 stops22h 10m

Multiple Airlines

Tue 17/32:08 p.m.

SAT

YYZ

1 stop9h 06m

Multiple Airlines

Deal found 28/1C$ 445

Sat 16/59:45 a.m.

YUL

SAT

1 stop14h 09m

United Airlines

Sun 24/56:49 a.m.

SAT

YUL

1 stop13h 45m

United Airlines

Deal found 28/1C$ 567

Tue 10/35:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Sun 15/32:08 p.m.

SAT

YYZ

1 stop23h 00m

Multiple Airlines

Deal found 27/1C$ 458

Sat 16/56:10 a.m.

YUL

SAT

2 stops15h 25m

United Airlines

Sat 23/51:40 p.m.

SAT

YUL

1 stop6h 54m

United Airlines

Deal found 28/1C$ 567

Wed 20/56:10 a.m.

YUL

SAT

2 stops15h 25m

United Airlines

Sun 24/56:49 a.m.

SAT

YUL

1 stop13h 45m

United Airlines

Deal found 28/1C$ 567

Mon 6/47:00 a.m.

YTZ

SAT

3 stops27h 32m

Multiple Airlines

Fri 10/410:27 a.m.

SAT

YTZ

2 stops25h 51m

Multiple Airlines

Deal found 28/1C$ 658

Mon 16/39:25 a.m.

YTZ

SAT

2 stops25h 07m

Multiple Airlines

Sun 22/31:22 p.m.

SAT

YTZ

3 stops26h 03m

Multiple Airlines

Deal found 27/1C$ 726

Last-minute flights from Ontario to San Antonio
Discover last-minute flight deals from Ontario to San Antonio. Data last updated 29 January 2026 and is based on user searches.

Mon 2/25:55 p.m.

YOW

SAT

2 stops15h 46m

United Airlines

Thu 5/27:00 a.m.

SAT

YOW

2 stops10h 52m

United Airlines

Deal found 26/1C$ 642

Mon 9/25:55 p.m.

YOW

SAT

2 stops15h 46m

United Airlines

Thu 12/27:20 p.m.

SAT

YOW

2 stops14h 06m

United Airlines

Deal found 27/1C$ 536

Thu 12/26:00 p.m.

YUL

SAT

1 stop7h 35m

Delta

Wed 18/24:00 p.m.

SAT

YUL

1 stop6h 10m

Delta

Deal found 28/1C$ 567

Thu 12/22:25 p.m.

YUL

SAT

1 stop7h 25m

American Airlines

Wed 18/25:00 a.m.

SAT

YUL

2 stops7h 45m

American Airlines

Deal found 28/1C$ 643

Thu 12/28:05 a.m.

YUL

SAT

3 stops16h 54m

Multiple Airlines

Wed 18/26:00 a.m.

SAT

YUL

2 stops17h 31m

Multiple Airlines

Deal found 28/1C$ 718

Sat 14/27:30 p.m.

YOW

SAT

2 stops16h 17m

United Airlines

Thu 19/26:30 a.m.

SAT

YOW

1 stop9h 00m

United Airlines

Deal found 27/1C$ 433

Sat 14/24:45 p.m.

YUL

SAT

1 stop7h 27m

United Airlines

Thu 19/26:30 a.m.

SAT

YUL

1 stop5h 58m

United Airlines

Deal found 27/1C$ 566

Fri 20/27:10 a.m.

YYZ

SAT

1 stop31h 02m

Multiple Airlines

Tue 24/26:00 a.m.

SAT

YYZ

1 stop17h 14m

Multiple Airlines

Deal found 27/1C$ 413

Mon 23/27:15 a.m.

YYZ

SAT

1 stop17h 44m

Multiple Airlines

Fri 27/210:26 a.m.

SAT

YYZ

1 stop10h 49m

Multiple Airlines

Deal found 28/1C$ 407

Mon 23/25:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Thu 26/210:26 a.m.

SAT

YYZ

1 stop8h 29m

Multiple Airlines

Deal found 27/1C$ 418

Mon 23/27:00 a.m.

YOW

SAT

1 stop27h 30m

Multiple Airlines

Thu 26/210:26 a.m.

SAT

YOW

1 stop29h 59m

Multiple Airlines

Deal found 27/1C$ 426

Tue 24/25:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Sun 1/311:35 a.m.

SAT

YYZ

1 stop18h 08m

Multiple Airlines

Deal found 29/1C$ 369

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 29 January 2026.

Thu 19/33:40 p.m.

YYZ

SAT

1 stop18h 52m

Multiple Airlines

Deal found 28/1C$ 210

Tue 10/35:15 p.m.

YYZ

SAT

1 stop7h 44m

Multiple Airlines

Deal found 27/1C$ 216

Fri 20/33:40 p.m.

YYZ

SAT

1 stop18h 52m

Multiple Airlines

Deal found 28/1C$ 223

Sat 21/23:40 p.m.

YYZ

SAT

1 stop18h 50m

Multiple Airlines

Deal found 27/1C$ 229

Mon 16/37:30 p.m.

YOW

SAT

1 stop16h 41m

United Airlines

Deal found 27/1C$ 254

Sat 16/56:15 a.m.

YYZ

SAT

1 stop6h 04m

WestJet

Deal found 27/1C$ 285

Thu 12/39:15 a.m.

YTZ

SAT

2 stops25h 17m

Multiple Airlines

Deal found 28/1C$ 289

Sun 8/23:40 p.m.

YYZ

SAT

2 stops26h 23m

Multiple Airlines

Deal found 26/1C$ 292

Sat 27/67:45 a.m.

YYZ

SAT

1 stop6h 31m

WestJet

Deal found 27/1C$ 295

Mon 16/311:00 a.m.

YOW

SAT

3 stops47h 32m

Multiple Airlines

Deal found 27/1C$ 303

Tue 24/26:00 p.m.

YUL

SAT

1 stop7h 35m

Delta

Deal found 28/1C$ 324

Tue 24/24:45 p.m.

YUL

SAT

2 stops16h 58m

United Airlines

Deal found 28/1C$ 333

Find flight deals from Ontario to San Antonio

Round-trip from	C$ 364
One-way from	C$ 210
Popular in	December
Cheapest in	February
Average price	C$ 648

6/4-10/4
2 total stops
30h 45m total
Ontario to San Antonio

Search Deals

19/3
1 total stop
18h 52m total
Ontario to San Antonio

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 9/3

3:40 p.m.-9:30 a.m.

1 stop18h 50m

San Antonio

Tue 17/3

2:08 p.m.-12:14 a.m.

1 stop9h 06m

C$ 365

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 24/2

3:40 p.m.-9:30 a.m.

1 stop18h 50m

San Antonio

Sun 1/3

11:35 a.m.-7:36 p.m.

2 stops31h 01m

C$ 376

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 10/3

7:15 a.m.-11:59 p.m.

2 stops17h 44m

San Antonio

Mon 16/3

2:40 p.m.-12:14 a.m.

1 stop8h 34m

C$ 391

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 29/3

8:00 p.m.-12:27 p.m.

1 stop17h 27m

San Antonio

Fri 10/4

10:27 a.m.-11:20 p.m.

1 stop11h 53m

C$ 405

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 27/4

6:30 a.m.-9:30 a.m.

1 stop28h 00m

San Antonio

Sat 2/5

10:26 a.m.-8:55 p.m.

1 stop9h 29m

C$ 415

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 23/3

8:20 p.m.-1:23 p.m.

1 stop18h 03m

San Antonio

Thu 26/3

10:27 a.m.-7:55 p.m.

1 stop8h 28m

C$ 419

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 31/3

3:40 p.m.-9:32 a.m.

1 stop18h 52m

San Antonio

Sat 11/4

10:27 a.m.-11:20 p.m.

1 stop11h 53m

C$ 424

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 17/4

4:15 p.m.-9:30 a.m.

1 stop18h 15m

San Antonio

Thu 30/4

10:26 a.m.-12:25 a.m.

1 stop12h 59m

C$ 424

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 10/3

7:15 a.m.-11:59 p.m.

2 stops17h 44m

San Antonio

Tue 17/3

2:08 p.m.-12:14 a.m.

1 stop9h 06m

C$ 430

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 14/2

5:11 p.m.-11:12 p.m.

1 stop7h 01m

San Antonio

Thu 19/2

6:30 a.m.-1:34 p.m.

1 stop6h 04m

C$ 433

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 53 results

...

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.

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

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of C$ 238). Flying from Region of Ontario to San Antonio in August is currently the most expensive (average of C$ 523). 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 Region of Ontario to San Antonio?

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, Delta, and Air Canada can get you from Region of Ontario to San Antonio in just under 7h 01m. Your travel time can differ by up to 12h 50m. There are 2652 km between Region of Ontario and San Antonio. This flight may include one or multiple stops.
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, Montreal Pierre Elliott Trudeau Intl - San Antonio or Ottawa - San Antonio as they are the most popular.
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, October is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of C$ 238). Flying from Region of Ontario to San Antonio in August is currently the most expensive (average of C$ 523). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to San Antonio

Pearson Intl to Dallas/Fort Worth flights

Pearson Intl to Hobby flights

Pearson Intl to George Bush Intcntl flights

Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights

Calgary to Hobby flights

Calgary to George Bush Intcntl flights

Pearson Intl to Austin flights

Vancouver Intl to Hobby flights

Vancouver Intl to George Bush Intcntl flights

Pierre Elliott Trudeau Intl to Hobby flights

Pearson Intl to Love Field flights

Vancouver Intl to Dallas/Fort Worth flights

Pierre Elliott Trudeau Intl to George Bush Intcntl flights

Calgary to Dallas/Fort Worth flights

Toronto Island to Dallas/Fort Worth flights

Vancouver Intl to Austin flights

Edmonton to Hobby flights

Pierre Elliott Trudeau Intl to Love Field flights

Edmonton to Dallas/Fort Worth flights

Pearson Intl to San Antonio flights

Edmonton to George Bush Intcntl flights

Ottawa to Dallas/Fort Worth flights

Toronto Island to George Bush Intcntl flights

Pierre Elliott Trudeau Intl to Austin flights

Hamilton to George Bush Intcntl flights

Winnipeg to Hobby flights

Ottawa to Hobby flights

Winnipeg to George Bush Intcntl flights

Ottawa to George Bush Intcntl flights

Vancouver Intl to Love Field flights

Edmonton to Austin flights

Calgary to Austin flights

Winnipeg to Dallas/Fort Worth flights

Calgary to Love Field flights

Halifax to Hobby flights

Vancouver Intl to San Antonio flights

Hamilton to Dallas/Fort Worth flights

Calgary to San Antonio flights

Halifax to George Bush Intcntl flights

Halifax to Dallas/Fort Worth flights

Saskatoon to Hobby flights

Winnipeg to Austin flights

Edmonton to Love Field flights

Ottawa to Love Field flights

Victoria to Dallas/Fort Worth flights

Pierre Elliott Trudeau Intl to San Antonio flights

Saskatoon to George Bush Intcntl flights

Kelowna to Dallas/Fort Worth flights

Québec City to George Bush Intcntl flights

Top 5 airlines flying from Ontario to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 330	AverageC$ 543	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 359	AverageC$ 711	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 371	AverageC$ 702	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 384	AverageC$ 613	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 472	AverageC$ 628	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Antonio from Ontario today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to San Antonio by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

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

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to San Antonio from C$ 210

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 19/3. 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 29 January 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 29 January 2026.

Find flight deals from Ontario to San Antonio

Keep the following information in mind while searching for Ontario to San Antonio flight deals. Data was last updated 29 January 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Everything you need to know about your flight from Ontario to San Antonio

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

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Antonio. 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 into for flights to San Antonio from Ontario?

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

What are the most popular routes 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to San Antonio

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

Top 5 airlines flying from Ontario to San Antonio

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 29 January 2026.