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

United Airlines can get you from San Antonio to Region of Ontario in just under 16h 02m. Your travel time can differ by up to . Airlines will cover a distance of 2652 km.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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.

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

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.

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.

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.

C$ 134+ Flights from San Antonio to Ontario

Find 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 29 October 2025.

Tue 2/124:54 p.m.SAT - YYZ

1 stop30h 17mMultiple Airlines

Wed 10/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 377

Fri 5/123:10 p.m.SAT - YYZ

1 stop22h 10mMultiple Airlines

Wed 10/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 395

Sun 30/117:39 p.m.SAT - YYZ

1 stop15h 04mMultiple Airlines

Wed 10/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 401

Tue 2/124:54 p.m.SAT - YYZ

1 stop30h 17mMultiple Airlines

Fri 12/125:15 p.m.YYZ - SAT

1 stop22h 00mMultiple Airlines

Deal found 29/10C$ 405

Wed 3/127:37 p.m.SAT - YYZ

1 stop18h 03mMultiple Airlines

Wed 10/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 407

Mon 1/128:33 p.m.SAT - YYZ

1 stop20h 20mMultiple Airlines

Thu 4/125:15 p.m.YYZ - SAT

1 stop21h 03mMultiple Airlines

Deal found 27/10C$ 411

Thu 4/123:10 p.m.SAT - YYZ

1 stop8h 01mMultiple Airlines

Sat 13/127:10 a.m.YYZ - SAT

1 stop8h 05mMultiple Airlines

Deal found 29/10C$ 414

Mon 1/128:33 p.m.SAT - YYZ

1 stop16h 32mMultiple Airlines

Wed 10/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 416

Mon 24/117:37 p.m.SAT - YYZ

1 stop15h 06mMultiple Airlines

Mon 1/125:15 p.m.YYZ - SAT

1 stop23h 44mMultiple Airlines

Deal found 27/10C$ 419

Wed 26/117:37 p.m.SAT - YYZ

2 stops23h 31mMultiple Airlines

Wed 3/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 422

Thu 4/123:10 p.m.SAT - YYZ

1 stop8h 01mMultiple Airlines

Thu 11/127:15 a.m.YYZ - SAT

1 stop8h 00mMultiple Airlines

Deal found 29/10C$ 435

Sat 15/116:05 p.m.SAT - YUL

1 stop29h 25mMultiple Airlines

Sun 23/118:00 a.m.YUL - SAT

1 stop11h 32mMultiple Airlines

Deal found 29/10C$ 482

Best flights from San Antonio to Ontario
Discover carefully curated flight deals from San Antonio to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 October 2025.

Sun 30/117:39 p.m.SAT - YYZ

1 stop15h 04mMultiple Airlines

Wed 10/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 401

Tue 10/35:24 p.m.SAT - YOW

1 stop16h 02mUnited Airlines

Wed 11/32:15 p.m.YOW - SAT

1 stop6h 57mUnited Airlines

Deal found 26/10C$ 467

Thu 13/117:00 a.m.SAT - YUL

1 stop7h 04mAmerican Airlines

Wed 19/112:29 p.m.YUL - SAT

1 stop10h 59mAmerican Airlines

Deal found 28/10C$ 734

Tue 2/124:54 p.m.SAT - YYZ

1 stop30h 17mMultiple Airlines

Fri 12/125:15 p.m.YYZ - SAT

1 stop22h 00mMultiple Airlines

Deal found 29/10C$ 405

Thu 4/123:10 p.m.SAT - YYZ

1 stop8h 01mMultiple Airlines

Thu 11/127:15 a.m.YYZ - SAT

1 stop8h 00mMultiple Airlines

Deal found 29/10C$ 435

Tue 10/37:00 a.m.SAT - YOW

1 stop8h 15mUnited Airlines

Mon 16/37:25 p.m.YOW - SAT

2 stops14h 28mUnited Airlines

Deal found 28/10C$ 520

Fri 5/123:10 p.m.SAT - YYZ

1 stop8h 01mMultiple Airlines

Sat 13/127:10 a.m.YYZ - SAT

1 stop8h 05mMultiple Airlines

Deal found 29/10C$ 437

Wed 12/117:37 p.m.SAT - YYZ

1 stop18h 03mMultiple Airlines

Wed 19/115:15 p.m.YYZ - SAT

1 stop26h 27mMultiple Airlines

Deal found 26/10C$ 443

Thu 4/123:10 p.m.SAT - YYZ

1 stop8h 01mMultiple Airlines

Mon 15/123:40 p.m.YYZ - SAT

1 stop8h 46mMultiple Airlines

Deal found 29/10C$ 475

Sat 8/1110:58 a.m.SAT - YUL

1 stop12h 32mMultiple Airlines

Tue 11/116:45 a.m.YUL - SAT

2 stops12h 47mMultiple Airlines

Deal found 27/10C$ 493

Wed 3/128:33 p.m.SAT - YYZ

2 stops17h 07mMultiple Airlines

Sat 13/127:10 a.m.YYZ - SAT

1 stop8h 05mMultiple Airlines

Deal found 29/10C$ 496

Sat 14/32:10 p.m.SAT - YUL

1 stop5h 57mUnited Airlines

Mon 23/37:00 a.m.YUL - SAT

1 stop9h 06mUnited Airlines

Deal found 27/10C$ 805

Wed 11/37:30 a.m.SAT - YUL

1 stop6h 53mUnited Airlines

Wed 25/37:00 a.m.YUL - SAT

1 stop9h 06mUnited Airlines

Deal found 27/10C$ 805

Sun 30/117:39 p.m.SAT - YYZ

1 stop15h 04mMultiple Airlines

Mon 15/123:40 p.m.YYZ - SAT

1 stop8h 46mMultiple Airlines

Deal found 29/10C$ 504

Fri 5/127:55 p.m.SAT - YYZ

2 stops17h 25mMultiple Airlines

Thu 11/127:15 a.m.YYZ - SAT

1 stop8h 00mMultiple Airlines

Deal found 29/10C$ 504

Mon 24/118:33 p.m.SAT - YYZ

2 stops18h 01mMultiple Airlines

Mon 1/125:00 p.m.YYZ - SAT

3 stops26h 32mMultiple Airlines

Deal found 27/10C$ 516

Tue 11/117:37 p.m.SAT - YYZ

1 stop15h 06mMultiple Airlines

Sun 4/13:40 p.m.YYZ - SAT

2 stops26h 21mMultiple Airlines

Deal found 28/10C$ 518

Thu 29/14:16 p.m.SAT - YUL

2 stops23h 39mMultiple Airlines

Sun 1/26:45 a.m.YUL - SAT

1 stop9h 26mMultiple Airlines

Deal found 28/10C$ 524

Fri 12/122:13 p.m.SAT - YOW

1 stop8h 45mMultiple Airlines

Fri 19/124:20 p.m.YOW - SAT

1 stop20h 30mMultiple Airlines

Deal found 28/10C$ 544

Thu 13/117:37 p.m.SAT - YUL

1 stop18h 33mMultiple Airlines

Wed 19/116:45 a.m.YUL - SAT

2 stops12h 47mMultiple Airlines

Deal found 28/10C$ 574

Last-minute flights from San Antonio to Ontario
Discover last-minute flight deals from San Antonio to Ontario. Data last updated 29 October 2025 and is based on user searches.

Mon 3/113:23 p.m.SAT - YOW

3 stops24h 26mMultiple Airlines

Fri 7/113:05 p.m.YOW - SAT

2 stops19h 58mMultiple Airlines

Deal found 29/10C$ 1,095

Mon 3/117:07 a.m.SAT - YOW

1 stop15h 47mUnited Airlines

Fri 7/115:14 p.m.YOW - SAT

1 stop7h 02mUnited Airlines

Deal found 29/10C$ 1,101

Fri 7/117:37 p.m.SAT - YUL

2 stops20h 18mMultiple Airlines

Mon 10/116:45 a.m.YUL - SAT

2 stops12h 47mMultiple Airlines

Deal found 28/10C$ 729

Sat 8/1110:58 a.m.SAT - YUL

1 stop12h 32mMultiple Airlines

Tue 11/116:45 a.m.YUL - SAT

2 stops12h 47mMultiple Airlines

Deal found 27/10C$ 493

Wed 12/117:37 p.m.SAT - YYZ

1 stop18h 03mMultiple Airlines

Wed 19/115:15 p.m.YYZ - SAT

1 stop26h 27mMultiple Airlines

Deal found 26/10C$ 443

Fri 21/1111:39 a.m.SAT - YYZ

1 stop17h 41mMultiple Airlines

Tue 25/117:15 a.m.YYZ - SAT

2 stops12h 01mMultiple Airlines

Deal found 27/10C$ 511

Mon 24/117:37 p.m.SAT - YYZ

1 stop15h 06mMultiple Airlines

Mon 1/125:15 p.m.YYZ - SAT

1 stop23h 44mMultiple Airlines

Deal found 27/10C$ 419

Wed 26/117:37 p.m.SAT - YYZ

2 stops23h 31mMultiple Airlines

Wed 3/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 422

Sun 30/117:39 p.m.SAT - YYZ

1 stop15h 04mMultiple Airlines

Wed 10/125:15 p.m.YYZ - SAT

1 stop16h 00mMultiple Airlines

Deal found 29/10C$ 401

Sun 30/117:39 p.m.SAT - YYZ

1 stop15h 04mMultiple Airlines

Thu 11/127:15 a.m.YYZ - SAT

1 stop8h 00mMultiple Airlines

Deal found 29/10C$ 464

Sun 30/117:39 p.m.SAT - YYZ

1 stop15h 04mMultiple Airlines

Fri 12/1212:50 p.m.YYZ - SAT

2 stops11h 36mMultiple Airlines

Deal found 29/10C$ 500

Sun 30/117:39 p.m.SAT - YYZ

1 stop15h 04mMultiple Airlines

Mon 15/123:40 p.m.YYZ - SAT

1 stop8h 46mMultiple Airlines

Deal found 29/10C$ 504

One-way flights from San Antonio to Ontario
Search for one-way flight options from San Antonio to Ontario. Find affordable one-way fares based on user searches. Data last updated 29 October 2025.

Sat 8/116:05 p.m.SAT - YYZ

1 stop19h 15mMultiple Airlines

Deal found 28/10C$ 134

Fri 7/115:35 p.m.SAT - YYZ

2 stops19h 45mMultiple Airlines

Deal found 28/10C$ 197

Sun 23/117:07 a.m.SAT - YOW

1 stop15h 47mUnited Airlines

Deal found 27/10C$ 215

Wed 19/1110:58 a.m.SAT - YYZ

1 stop12h 13mMultiple Airlines

Deal found 29/10C$ 224

Thu 13/114:54 p.m.SAT - YUL

1 stop17h 43mMultiple Airlines

Deal found 29/10C$ 231

Tue 30/127:30 p.m.SAT - YOW

2 stops20h 48mUnited Airlines

Deal found 27/10C$ 231

Thu 20/117:37 p.m.SAT - YYZ

1 stop15h 06mMultiple Airlines

Deal found 27/10C$ 231

Sat 1/117:00 a.m.SAT - YYZ

2 stops31h 20mMultiple Airlines

Deal found 26/10C$ 235

Wed 31/125:56 p.m.SAT - YOW

2 stops29h 02mMultiple Airlines

Deal found 27/10C$ 236

Fri 21/1111:39 a.m.SAT - YYZ

1 stop17h 41mMultiple Airlines

Deal found 27/10C$ 239

Mon 29/127:11 p.m.SAT - YOW

1 stop21h 02mMultiple Airlines

Deal found 27/10C$ 264

Thu 25/1212:45 p.m.SAT - YUL

1 stop10h 45mMultiple Airlines

Deal found 28/10C$ 265

Cheap flight deals from San Antonio to Ontario

Round-trip from	C$ 377
One-way from	C$ 134
Popular in	September
Cheapest in	January
Average price	C$ 854

2/12-10/12
2 total stops
46h 17m total
San Antonio to Ontario

Search Deals

8/11
1 total stop
19h 15m total
San Antonio to Ontario

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (C$ 185 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 October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 30/11

7:39 p.m.-11:43 a.m.

1 stop15h 04m

Toronto Pearson Intl

Wed 10/12

5:15 p.m.-8:15 a.m.

1 stop16h 00m

C$ 401

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Tue 2/12

4:54 p.m.-12:11 a.m.

1 stop30h 17m

Toronto Pearson Intl

Fri 12/12

5:15 p.m.-2:15 p.m.

1 stop22h 00m

C$ 405

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 4/12

3:10 p.m.-12:11 a.m.

1 stop8h 01m

Toronto Pearson Intl

Thu 11/12

7:15 a.m.-2:15 p.m.

1 stop8h 00m

C$ 435

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 5/12

3:10 p.m.-12:11 a.m.

1 stop8h 01m

Toronto Pearson Intl

Sat 13/12

7:10 a.m.-2:15 p.m.

1 stop8h 05m

C$ 437

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 12/11

7:37 p.m.-2:40 p.m.

1 stop18h 03m

Toronto Pearson Intl

Wed 19/11

5:15 p.m.-6:42 p.m.

1 stop26h 27m

C$ 443

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Tue 10/3

5:24 p.m.-10:26 a.m.

1 stop16h 02m

Ottawa

Wed 11/3

2:15 p.m.-8:12 p.m.

1 stop6h 57m

C$ 467

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 4/12

3:10 p.m.-12:11 a.m.

1 stop8h 01m

Toronto Pearson Intl

Mon 15/12

3:40 p.m.-11:26 p.m.

1 stop8h 46m

C$ 475

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 8/11

10:58 a.m.-12:30 a.m.

1 stop12h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

6:45 a.m.-6:32 p.m.

2 stops12h 47m

C$ 493

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 3/12

8:33 p.m.-2:40 p.m.

2 stops17h 07m

Toronto Pearson Intl

Sat 13/12

7:10 a.m.-2:15 p.m.

1 stop8h 05m

C$ 496

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 30/11

7:39 p.m.-11:43 a.m.

1 stop15h 04m

Toronto Pearson Intl

Mon 15/12

3:40 p.m.-11:26 p.m.

1 stop8h 46m

C$ 504

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 40 results

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, September is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of C$ 102). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of C$ 416). 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.

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from San Antonio to Ontario, such as WestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

WestJet

7.2

Good

3,148 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

WestJet

7.2

Good

3,148 reviews

WestJet

7.2

Good

3,148 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

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 can get you from San Antonio to Region of Ontario in just under 16h 02m. Your travel time can differ by up to . Airlines will cover a distance of 2652 km.
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, September is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of C$ 102). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of C$ 416). 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 San Antonio to Ontario

Dallas/Fort Worth to Pearson Intl flights

Hobby to Vancouver Intl flights

Hobby to Pearson Intl flights

George Bush Intcntl to Vancouver Intl flights

Dallas/Fort Worth to Vancouver Intl flights

George Bush Intcntl to Pearson Intl flights

Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights

Hobby to Calgary flights

George Bush Intcntl to Calgary flights

Austin to Pearson Intl flights

Hobby to Pierre Elliott Trudeau Intl flights

Dallas/Fort Worth to Toronto Island flights

George Bush Intcntl to Pierre Elliott Trudeau Intl flights

Dallas/Fort Worth to Calgary flights

Austin to Vancouver Intl flights

Dallas/Fort Worth to Québec City flights

Austin to Calgary flights

Dallas/Fort Worth to Abbotsford flights

Love Field to Pearson Intl flights

Austin to Pierre Elliott Trudeau Intl flights

Love Field to Pierre Elliott Trudeau Intl flights

Hobby to Edmonton flights

Dallas/Fort Worth to Edmonton flights

San Antonio to Vancouver Intl flights

George Bush Intcntl to Edmonton flights

Austin to Abbotsford flights

San Antonio to Pearson Intl flights

Love Field to Vancouver Intl flights

El Paso to Vancouver Intl flights

Dallas/Fort Worth to Ottawa flights

Hobby to Ottawa flights

George Bush Intcntl to Ottawa flights

Dallas/Fort Worth to Winnipeg flights

Austin to Edmonton flights

Love Field to Calgary flights

Dallas/Fort Worth to Yellowknife flights

Austin to Ottawa flights

Austin to Québec City flights

Dallas/Fort Worth to Halifax flights

Dallas/Fort Worth to Regina flights

San Antonio to Pierre Elliott Trudeau Intl flights

El Paso to Pearson Intl flights

Dallas/Fort Worth to Kelowna flights

San Antonio to Calgary flights

Austin to Victoria flights

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

London Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Thunder Bay Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

North Bay Airport car rentals

Direct flights to Canada

Top airline flying from San Antonio to Ontario

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 509	AverageC$ 734	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

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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.

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Cheap flights from San Antonio to Ontario from C$ 134

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from San Antonio to Ontario

Cheapest flights from San Antonio to OntarioExplore 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 29 October 2025.

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 29 October 2025.

Cheap 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 29 October 2025.

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 San Antonio to Ontario that are best for you.

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.

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?

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from San Antonio to Ontario, such as WestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top airline flying from San Antonio to Ontario

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 San Antonio to Ontario?

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

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

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

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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 29 October 2025.