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 Delta, which is currently one of the cheapest options available, starting at C$ 252. United Airlines flights start at C$ 258 while deals on American Airlines start at C$ 259 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, 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?

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

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

Users have found that booking a flight from Region of Ontario to San Antonio at least 36 days early can save you up to 80% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from Region of Ontario to San Antonio for as little as C$ 544 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 712 for flights departing within the next 3 days.

What is the cheapest month to fly from Region of Ontario to San Antonio?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, September can be a great choice for travel to San Antonio. Flights to San Antonio from Region of Ontario in September are about C$ 538 on average during September, but can be found for as low as C$ 387.

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$ 220+ Flights from Ontario to San Antonio

Cheap flight deals from Ontario to San Antonio

Round-trip from	C$ 402
One-way from	C$ 220

11/3-19/3
2 total stops
25h 30m total
Ontario to San Antonio

Search Deals

24/3
1 total stop
16h 28m total
Ontario to San Antonio

Search Deals

Find flight deals from Ontario to San Antonio

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 January 2025.

Tue 11/38:00 p.m.YYZ - SAT

1 stop15h 53mMultiple Airlines

Wed 19/310:58 a.m.SAT - YYZ

1 stop9h 37mMultiple Airlines

Deal found 21/1C$ 406

Tue 11/26:30 p.m.YYZ - SAT

1 stop15h 17mUnited Airlines

Wed 12/212:25 p.m.SAT - YYZ

1 stop7h 52mUnited Airlines

Deal found 21/1C$ 419

Thu 13/21:20 p.m.YYZ - SAT

1 stop10h 39mDelta

Mon 17/25:25 a.m.SAT - YYZ

1 stop9h 44mDelta

Deal found 20/1C$ 423

Sat 8/21:35 p.m.YUL - SAT

2 stops8h 43mUnited Airlines

Mon 10/22:27 p.m.SAT - YUL

2 stops16h 18mUnited Airlines

Deal found 20/1C$ 436

Fri 14/24:44 p.m.YYZ - SAT

1 stop8h 08mAmerican Airlines

Tue 18/26:39 a.m.SAT - YYZ

1 stop10h 50mAmerican Airlines

Deal found 21/1C$ 439

Sat 15/25:15 p.m.YYZ - SAT

1 stop7h 06mWestJet

Sun 23/25:25 a.m.SAT - YYZ

1 stop9h 44mWestJet

Deal found 20/1C$ 479

Tue 4/31:05 p.m.YTZ - SAT

2 stops21h 58mMultiple Airlines

Wed 12/310:58 a.m.SAT - YTZ

2 stops10h 25mMultiple Airlines

Deal found 20/1C$ 491

Sun 16/312:48 p.m.YUL - SAT

1 stop10h 56mDelta

Fri 21/35:30 a.m.SAT - YUL

1 stop9h 30mDelta

Deal found 20/1C$ 494

Fri 7/37:00 a.m.YUL - SAT

1 stop18h 27mWestJet

Mon 17/38:15 a.m.SAT - YUL

1 stop26h 20mWestJet

Deal found 20/1C$ 502

Fri 31/16:10 p.m.YOW - SAT

1 stop11h 23mMultiple Airlines

Sun 2/28:20 p.m.SAT - YOW

1 stop19h 25mMultiple Airlines

Deal found 20/1C$ 521

Sun 2/26:45 a.m.YUL - SAT

3 stops31h 12mMultiple Airlines

Fri 7/27:00 a.m.SAT - YUL

2 stops16h 45mMultiple Airlines

Deal found 21/1C$ 581

Thu 20/25:55 a.m.YOW - SAT

2 stops18h 04mWestJet

Thu 27/25:25 a.m.SAT - YOW

2 stops17h 44mWestJet

Deal found 21/1C$ 786

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 January 2025.

Tue 11/38:00 p.m.YYZ - SAT

1 stop15h 53mMultiple Airlines

Wed 19/310:58 a.m.SAT - YYZ

1 stop9h 37mMultiple Airlines

Deal found 21/1C$ 402

Tue 11/26:30 p.m.YYZ - SAT

1 stop15h 17mUnited Airlines

Wed 12/212:25 p.m.SAT - YYZ

1 stop7h 52mUnited Airlines

Deal found 21/1C$ 419

Mon 10/31:20 p.m.YYZ - SAT

1 stop10h 24mDelta

Wed 19/35:30 a.m.SAT - YYZ

1 stop9h 42mDelta

Deal found 21/1C$ 430

Fri 14/24:44 p.m.YYZ - SAT

1 stop8h 08mAmerican Airlines

Tue 18/26:39 a.m.SAT - YYZ

1 stop10h 50mAmerican Airlines

Deal found 21/1C$ 439

Sat 15/25:15 p.m.YYZ - SAT

1 stop7h 06mWestJet

Sun 23/25:25 a.m.SAT - YYZ

1 stop9h 44mWestJet

Deal found 20/1C$ 479

Wed 5/38:10 a.m.YYZ - SAT

2 stops13h 09mAir Canada

Sun 23/36:45 a.m.SAT - YYZ

1 stop13h 40mAir Canada

Deal found 21/1C$ 505

Sat 8/21:35 p.m.YUL - SAT

2 stops8h 43mUnited Airlines

Mon 10/22:27 p.m.SAT - YUL

2 stops16h 18mUnited Airlines

Deal found 20/1C$ 436

Sun 16/312:48 p.m.YUL - SAT

1 stop10h 56mDelta

Fri 21/35:30 a.m.SAT - YUL

1 stop9h 30mDelta

Deal found 20/1C$ 494

Fri 7/37:00 a.m.YUL - SAT

1 stop18h 27mWestJet

Mon 17/38:15 a.m.SAT - YUL

1 stop26h 20mWestJet

Deal found 20/1C$ 502

Fri 31/16:10 p.m.YOW - SAT

1 stop11h 23mMultiple Airlines

Sun 2/28:20 p.m.SAT - YOW

1 stop19h 25mMultiple Airlines

Deal found 20/1C$ 521

Sat 22/34:20 p.m.YYZ - SAT

1 stop14h 20mAlaska Airlines

Mon 24/35:00 a.m.SAT - YYZ

2 stops32h 55mAlaska Airlines

Deal found 20/1C$ 1,161

Sun 2/26:45 a.m.YUL - SAT

3 stops31h 12mMultiple Airlines

Fri 7/27:00 a.m.SAT - YUL

2 stops16h 45mMultiple Airlines

Deal found 21/1C$ 581

Last-minute flights from Ontario to San Antonio
Discover last-minute flight deals from Ontario to San Antonio. Data last updated 21 January 2025 and is based on user searches.

Thu 23/17:00 a.m.YYZ - SAT

2 stops22h 33mMultiple Airlines

Mon 27/11:52 p.m.SAT - YYZ

1 stop15h 54mMultiple Airlines

Deal found 20/1C$ 573

Fri 24/11:05 p.m.YTZ - SAT

3 stops28h 39mMultiple Airlines

Tue 28/15:45 a.m.SAT - YTZ

2 stops13h 20mMultiple Airlines

Deal found 20/1C$ 630

Fri 31/16:10 p.m.YOW - SAT

1 stop11h 23mMultiple Airlines

Sun 2/28:20 p.m.SAT - YOW

1 stop19h 25mMultiple Airlines

Deal found 20/1C$ 521

Fri 31/15:55 a.m.YOW - SAT

2 stops18h 04mWestJet

Sun 2/25:15 a.m.SAT - YOW

2 stops17h 54mWestJet

Deal found 20/1C$ 856

Sun 2/212:52 p.m.YUL - SAT

1 stop10h 02mDelta

Fri 7/25:15 a.m.SAT - YUL

1 stop9h 42mDelta

Deal found 21/1C$ 554

Sun 2/26:45 a.m.YUL - SAT

3 stops31h 12mMultiple Airlines

Fri 7/27:00 a.m.SAT - YUL

2 stops16h 45mMultiple Airlines

Deal found 21/1C$ 581

Mon 3/24:50 p.m.YUL - SAT

1 stop7h 09mWestJet

Thu 6/25:15 a.m.SAT - YUL

2 stops18h 24mWestJet

Deal found 20/1C$ 551

Sat 8/21:35 p.m.YUL - SAT

2 stops8h 43mUnited Airlines

Mon 10/22:27 p.m.SAT - YUL

2 stops16h 18mUnited Airlines

Deal found 20/1C$ 436

Tue 11/26:30 p.m.YYZ - SAT

1 stop15h 17mUnited Airlines

Wed 12/212:25 p.m.SAT - YYZ

1 stop7h 52mUnited Airlines

Deal found 21/1C$ 419

Thu 13/21:20 p.m.YYZ - SAT

1 stop10h 39mDelta

Mon 17/25:25 a.m.SAT - YYZ

1 stop9h 44mDelta

Deal found 20/1C$ 423

Fri 14/24:44 p.m.YYZ - SAT

1 stop8h 08mAmerican Airlines

Tue 18/26:39 a.m.SAT - YYZ

1 stop10h 50mAmerican Airlines

Deal found 21/1C$ 439

Sat 15/25:15 p.m.YYZ - SAT

1 stop7h 06mWestJet

Sun 23/25:25 a.m.SAT - YYZ

1 stop9h 44mWestJet

Deal found 20/1C$ 479

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 January 2025.

Mon 24/36:35 p.m.YUL - SAT

1 stop16h 28mMultiple Airlines

Deal found 21/1C$ 220

Thu 13/21:20 p.m.YYZ - SAT

1 stop10h 39mDelta

Deal found 21/1C$ 252

Tue 25/312:45 p.m.YYZ - SAT

2 stops9h 57mUnited Airlines

Deal found 20/1C$ 258

Sat 15/26:20 p.m.YYZ - SAT

1 stop6h 30mAmerican Airlines

Deal found 20/1C$ 259

Wed 26/28:35 a.m.YUL - SAT

2 stops15h 35mUnited Airlines

Deal found 20/1C$ 259

Mon 10/39:30 a.m.YYZ - SAT

2 stops12h 57mWestJet

Deal found 21/1C$ 311

Thu 27/26:00 a.m.YUL - SAT

1 stop18h 02mWestJet

Deal found 20/1C$ 341

Sat 22/33:50 p.m.YYZ - SAT

2 stops19h 13mMultiple Airlines

Deal found 21/1C$ 384

Sat 15/22:15 p.m.YTZ - SAT

2 stops21h 07mMultiple Airlines

Deal found 20/1C$ 393

Fri 28/27:14 a.m.YUL - SAT

1 stop16h 17mAmerican Airlines

Deal found 21/1C$ 547

Fri 21/312:30 a.m.YYZ - SAT

2 stops12h 47mAir Canada

Deal found 21/1C$ 1,104

Find flights from Ontario to San Antonio within your budget

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 11/3

8:00 p.m.-10:53 a.m.

1 stop15h 53m

San Antonio

Wed 19/3

10:58 a.m.-9:35 p.m.

1 stop9h 37m

C$ 406

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 11/2

6:30 p.m.-8:47 a.m.

1 stop15h 17m

San Antonio

Wed 12/2

12:25 p.m.-9:17 p.m.

1 stop7h 52m

C$ 419

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 13/2

1:20 p.m.-10:59 p.m.

1 stop10h 39m

San Antonio

Mon 17/2

5:25 a.m.-4:09 p.m.

1 stop9h 44m

C$ 423

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 8/2

1:35 p.m.-9:18 p.m.

2 stops8h 43m

San Antonio

Mon 10/2

2:27 p.m.-7:45 a.m.

2 stops16h 18m

C$ 436

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 14/2

4:44 p.m.-11:52 p.m.

1 stop8h 08m

San Antonio

Tue 18/2

6:39 a.m.-6:29 p.m.

1 stop10h 50m

C$ 439

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 15/2

5:15 p.m.-11:21 p.m.

1 stop7h 06m

San Antonio

Sun 23/2

5:25 a.m.-4:09 p.m.

1 stop9h 44m

C$ 479

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Tue 4/3

1:05 p.m.-10:03 a.m.

2 stops21h 58m

San Antonio

Wed 12/3

10:58 a.m.-10:23 p.m.

2 stops10h 25m

C$ 491

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 16/3

12:48 p.m.-10:44 p.m.

1 stop10h 56m

San Antonio

Fri 21/3

5:30 a.m.-4:00 p.m.

1 stop9h 30m

C$ 494

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 7/3

7:00 a.m.-12:27 a.m.

1 stop18h 27m

San Antonio

Mon 17/3

8:15 a.m.-11:35 a.m.

1 stop26h 20m

C$ 502

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 31/1

6:10 p.m.-4:33 a.m.

1 stop11h 23m

San Antonio

Sun 2/2

8:20 p.m.-4:45 p.m.

1 stop19h 25m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 30 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.

Travel insights for flights from Ontario to San Antonio

Get recent, data-driven insights about flights from Ontario to San Antonio including ideal travel times, pricing trends, and more.

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

Currently, July is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of C$ 325). Flying from Region of Ontario to San Antonio in March is currently the most expensive (average of C$ 444). 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.

Rainfall in San Antonio by month

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.

Temperature in San Antonio by month

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).

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with United Airlines, Delta and Air Canada from Ontario to San Antonio by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,706 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,521 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,985 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet

7.2

Good

2,829 reviews

Alaska Airlines

8.0

Very good

9,706 reviews

Check prices

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.
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 Delta, which is currently one of the cheapest options available, starting at C$ 252. United Airlines flights start at C$ 258 while deals on American Airlines start at C$ 259 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, 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, July is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of C$ 325). Flying from Region of Ontario to San Antonio in March is currently the most expensive (average of C$ 444). 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

Pearson Intl to Austin flights

Pierre Elliott Trudeau Intl to Hobby flights

Vancouver Intl to Dallas/Fort Worth flights

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Pearson Intl to Love Field flights

Calgary to Hobby flights

Toronto Island to Dallas/Fort Worth flights

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Toronto Island to George Bush Intcntl flights

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Edmonton to Dallas/Fort Worth flights

Pierre Elliott Trudeau Intl to Love Field flights

Calgary to Love Field flights

Pearson Intl to San Antonio flights

Edmonton to Hobby flights

Calgary to Austin flights

Pierre Elliott Trudeau Intl to Austin flights

Region of Waterloo Intl to Dallas/Fort Worth flights

Edmonton to George Bush Intcntl flights

Ottawa to Dallas/Fort Worth flights

Regina to Dallas/Fort Worth flights

Québec City to George Bush Intcntl flights

Edmonton to Love Field flights

Québec City to Dallas/Fort Worth flights

Hamilton to George Bush Intcntl flights

Pierre Elliott Trudeau Intl to San Antonio flights

Ottawa to Austin flights

Vancouver Intl to Amarillo flights

Halifax to Dallas/Fort Worth flights

Winnipeg to Hobby flights

Region of Waterloo Intl to Hobby flights

Edmonton to Austin flights

Winnipeg to George Bush Intcntl flights

Ottawa to Hobby flights

Saskatoon to Dallas/Fort Worth flights

Ottawa to Love Field flights

Ottawa to George Bush Intcntl flights

Ottawa to San Antonio flights

Winnipeg to Dallas/Fort Worth flights

Pearson Intl to Corpus Christi flights

Vancouver Intl to San Antonio flights

Top 5 airlines flying from Ontario to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 348	AverageC$ 800	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 372	AverageC$ 702	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 384	AverageC$ 454	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	CheapestC$ 403	AverageC$ 514	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 459	AverageC$ 604	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.

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Cheap flights from Ontario to San Antonio from C$ 220

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 24/3. 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

Round-trip from

One-way from

Find 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 January 2025.

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 January 2025.

Find flights from Ontario to San Antonio within your budget

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.

Travel insights for flights from Ontario to San Antonio

Get recent, data-driven insights about flights from Ontario to San Antonio including ideal travel times, pricing trends, and more.

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 January 2025.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

Reviews of airlines servicing 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?

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?

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?

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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 January 2025.