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

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at C$ 204. United Airlines flights start at C$ 211 while deals on American Airlines start at C$ 264 one-way.

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.

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

Users have found that booking a flight from San Antonio to Region of Ontario at least 40 days early can save you up to 214% on average compared to booking a flight this week. If booking 40 days before your flight isn’t an option for you, users have found flights from San Antonio to Region of Ontario for as little as C$ 578 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$ 816 for flights departing within the next 3 days.

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

The best pricing can be found in the month of January. Prices to Region of Ontario from San Antonio average C$ 605. You can even find prices in January for less than C$ 605, as users have found deals to Region of Ontario from as low as C$ 416. The month of February appears to be one of the more expensive times to travel to Region of Ontario from San Antonio. Flying in the targeted month can save you up to 41%.

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

Cheap flight deals from San Antonio to Ontario

Round-trip from	C$ 342
One-way from	C$ 134
Popular in	February
Cheapest in	January
Average price	C$ 578

5/5-7/5
6 total stops
62h 07m total
San Antonio to Ontario

Search Deals

1/5
3 total stops
33h 52m total
San Antonio to Ontario

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 41 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from San Antonio to Ontario

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 15 April 2025.

Mon 5/56:31 p.m.SAT - YYZ

3 stops34h 20mMultiple Airlines

Wed 7/58:00 a.m.YYZ - SAT

3 stops27h 47mMultiple Airlines

Deal found 15/4C$ 342

Sat 3/57:00 a.m.SAT - YYZ

1 stop6h 38mAir Canada

Wed 7/57:00 a.m.YYZ - SAT

1 stop6h 12mAir Canada

Deal found 15/4C$ 441

Fri 6/65:35 a.m.SAT - YYZ

1 stop16h 13mUnited Airlines

Fri 13/67:00 a.m.YYZ - SAT

1 stop6h 23mUnited Airlines

Deal found 15/4C$ 471

Sat 17/56:45 a.m.SAT - YUL

2 stops40h 52mMultiple Airlines

Tue 20/56:45 a.m.YUL - SAT

2 stops31h 57mMultiple Airlines

Deal found 15/4C$ 491

Mon 2/65:20 p.m.SAT - YUL

1 stop16h 20mAir Canada

Sat 14/64:30 p.m.YUL - SAT

1 stop7h 27mAir Canada

Deal found 14/4C$ 501

Thu 18/95:58 p.m.SAT - YUL

2 stops18h 56mUnited Airlines

Sun 21/94:35 p.m.YUL - SAT

1 stop7h 23mUnited Airlines

Deal found 14/4C$ 513

Fri 16/56:33 a.m.SAT - YUL

1 stop10h 07mDelta

Wed 21/512:56 p.m.YUL - SAT

1 stop10h 19mDelta

Deal found 15/4C$ 520

Thu 29/56:03 p.m.SAT - YOW

2 stops29h 19mMultiple Airlines

Thu 5/64:25 p.m.YOW - SAT

1 stop17h 31mMultiple Airlines

Deal found 14/4C$ 523

Fri 9/55:00 a.m.SAT - YUL

2 stops9h 25mAmerican Airlines

Tue 20/54:00 p.m.YUL - SAT

2 stops8h 58mAmerican Airlines

Deal found 15/4C$ 574

Sun 29/65:20 a.m.SAT - YYZ

1 stop8h 21mDelta

Sun 6/71:04 p.m.YYZ - SAT

1 stop9h 19mDelta

Deal found 15/4C$ 574

Thu 15/55:20 a.m.SAT - YUL

1 stop11h 20mWestJet

Tue 20/56:00 a.m.YUL - SAT

1 stop5h 35mWestJet

Deal found 15/4C$ 577

Wed 30/76:10 p.m.SAT - YYZ

2 stops11h 02mWestJet

Sun 3/86:30 a.m.YYZ - SAT

1 stop6h 26mWestJet

Deal found 15/4C$ 590

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 15 April 2025.

Mon 5/56:31 p.m.SAT - YYZ

3 stops34h 20mMultiple Airlines

Wed 7/58:00 a.m.YYZ - SAT

3 stops27h 47mMultiple Airlines

Deal found 15/4C$ 342

Sat 3/57:00 a.m.SAT - YYZ

1 stop6h 38mAir Canada

Wed 7/57:00 a.m.YYZ - SAT

1 stop6h 12mAir Canada

Deal found 15/4C$ 441

Fri 6/65:35 a.m.SAT - YYZ

1 stop16h 13mUnited Airlines

Fri 13/67:00 a.m.YYZ - SAT

1 stop6h 23mUnited Airlines

Deal found 15/4C$ 471

Fri 16/56:33 a.m.SAT - YUL

1 stop10h 07mDelta

Wed 21/512:56 p.m.YUL - SAT

1 stop10h 19mDelta

Deal found 15/4C$ 520

Fri 9/55:00 a.m.SAT - YUL

2 stops9h 25mAmerican Airlines

Tue 20/54:00 p.m.YUL - SAT

2 stops8h 58mAmerican Airlines

Deal found 15/4C$ 574

Thu 15/55:20 a.m.SAT - YUL

1 stop11h 20mWestJet

Tue 20/56:00 a.m.YUL - SAT

1 stop5h 35mWestJet

Deal found 15/4C$ 577

Sat 17/56:45 a.m.SAT - YUL

2 stops40h 52mMultiple Airlines

Tue 20/56:45 a.m.YUL - SAT

2 stops31h 57mMultiple Airlines

Deal found 15/4C$ 491

Mon 2/65:20 p.m.SAT - YUL

1 stop16h 20mAir Canada

Sat 14/64:30 p.m.YUL - SAT

1 stop7h 27mAir Canada

Deal found 14/4C$ 501

Thu 18/95:58 p.m.SAT - YUL

2 stops18h 56mUnited Airlines

Sun 21/94:35 p.m.YUL - SAT

1 stop7h 23mUnited Airlines

Deal found 14/4C$ 513

Mon 5/56:00 p.m.SAT - YYZ

2 stops20h 00mAlaska Airlines

Fri 9/54:45 p.m.YYZ - SAT

2 stops22h 50mAlaska Airlines

Deal found 15/4C$ 1,131

Sun 29/65:20 a.m.SAT - YYZ

1 stop8h 21mDelta

Sun 6/71:04 p.m.YYZ - SAT

1 stop9h 19mDelta

Deal found 15/4C$ 574

Wed 30/76:10 p.m.SAT - YYZ

2 stops11h 02mWestJet

Sun 3/86:30 a.m.YYZ - SAT

1 stop6h 26mWestJet

Deal found 15/4C$ 590

Last-minute flights from San Antonio to Ontario
Discover last-minute flight deals from San Antonio to Ontario. Data last updated 15 April 2025 and is based on user searches.

Wed 23/45:30 a.m.SAT - YYZ

1 stop4h 55mWestJet

Sun 27/46:10 p.m.YYZ - SAT

1 stop7h 20mWestJet

Deal found 15/4C$ 751

Wed 23/45:30 a.m.SAT - YYZ

2 stops10h 39mUnited Airlines

Sun 27/47:20 a.m.YYZ - SAT

2 stops9h 13mUnited Airlines

Deal found 15/4C$ 914

Sat 3/57:00 a.m.SAT - YYZ

1 stop6h 38mAir Canada

Wed 7/57:00 a.m.YYZ - SAT

1 stop6h 12mAir Canada

Deal found 15/4C$ 441

Mon 5/56:31 p.m.SAT - YYZ

3 stops34h 20mMultiple Airlines

Wed 7/58:00 a.m.YYZ - SAT

3 stops27h 47mMultiple Airlines

Deal found 15/4C$ 342

Mon 5/52:25 p.m.SAT - YYZ

1 stop7h 11mUnited Airlines

Fri 9/510:15 a.m.YYZ - SAT

1 stop7h 44mUnited Airlines

Deal found 15/4C$ 485

Tue 6/55:30 a.m.SAT - YUL

1 stop8h 56mAir Canada

Sat 10/58:05 a.m.YUL - SAT

1 stop16h 41mAir Canada

Deal found 15/4C$ 502

Tue 6/55:30 a.m.SAT - YUL

1 stop8h 56mUnited Airlines

Sat 10/59:15 a.m.YUL - SAT

2 stops9h 39mUnited Airlines

Deal found 15/4C$ 516

Fri 9/55:00 a.m.SAT - YUL

2 stops9h 25mAmerican Airlines

Tue 20/54:00 p.m.YUL - SAT

2 stops8h 58mAmerican Airlines

Deal found 15/4C$ 574

Thu 15/55:20 a.m.SAT - YUL

1 stop11h 20mWestJet

Tue 20/56:00 a.m.YUL - SAT

1 stop5h 35mWestJet

Deal found 15/4C$ 577

Fri 16/56:33 a.m.SAT - YUL

1 stop10h 07mDelta

Wed 21/512:56 p.m.YUL - SAT

1 stop10h 19mDelta

Deal found 15/4C$ 520

Sat 17/56:45 a.m.SAT - YUL

2 stops40h 52mMultiple Airlines

Tue 20/56:45 a.m.YUL - SAT

2 stops31h 57mMultiple Airlines

Deal found 15/4C$ 491

Mon 19/512:10 p.m.SAT - YOW

1 stop20h 48mUnited Airlines

Fri 30/52:40 p.m.YOW - SAT

1 stop21h 20mUnited Airlines

Deal found 14/4C$ 1,121

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 15 April 2025.

Thu 1/51:43 p.m.SAT - YYZ

3 stops33h 52mMultiple Airlines

Deal found 15/4C$ 134

Thu 1/56:30 a.m.SAT - YYZ

1 stop11h 01mDelta

Deal found 15/4C$ 204

Wed 11/612:20 p.m.SAT - YUL

1 stop10h 34mDelta

Deal found 15/4C$ 210

Wed 30/47:00 a.m.SAT - YYZ

2 stops9h 09mUnited Airlines

Deal found 15/4C$ 211

Fri 25/77:19 p.m.SAT - YUL

2 stops15h 39mUnited Airlines

Deal found 15/4C$ 217

Thu 1/56:02 a.m.SAT - YYZ

2 stops7h 53mAmerican Airlines

Deal found 15/4C$ 264

Wed 11/65:20 a.m.SAT - YUL

2 stops18h 17mWestJet

Deal found 15/4C$ 330

Mon 21/47:15 a.m.SAT - YYZ

1 stop6h 04mAir Canada

Deal found 14/4C$ 348

Mon 21/46:30 a.m.SAT - YYZ

2 stops25h 05mWestJet

Deal found 14/4C$ 421

Wed 23/47:00 a.m.SAT - YOW

2 stops14h 05mAir Canada

Deal found 15/4C$ 608

Wed 23/47:00 a.m.SAT - YOW

3 stops10h 52mUnited Airlines

Deal found 15/4C$ 1,092

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 5/5

6:31 p.m.-5:51 a.m.

3 stops34h 20m

Toronto Pearson Intl

Wed 7/5

8:00 a.m.-10:47 a.m.

3 stops27h 47m

C$ 342

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 3/5

7:00 a.m.-2:38 p.m.

1 stop6h 38m

Toronto Pearson Intl

Wed 7/5

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

1 stop6h 12m

C$ 441

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 6/6

5:35 a.m.-10:48 p.m.

1 stop16h 13m

Toronto Pearson Intl

Fri 13/6

7:00 a.m.-12:23 p.m.

1 stop6h 23m

C$ 471

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 17/5

6:45 a.m.-12:37 a.m.

2 stops40h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

6:45 a.m.-1:42 p.m.

2 stops31h 57m

C$ 491

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 2/6

5:20 p.m.-10:40 a.m.

1 stop16h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 14/6

4:30 p.m.-10:57 p.m.

1 stop7h 27m

C$ 501

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Thu 18/9

5:58 p.m.-1:54 p.m.

2 stops18h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 21/9

4:35 p.m.-10:58 p.m.

1 stop7h 23m

C$ 513

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Fri 16/5

6:33 a.m.-5:40 p.m.

1 stop10h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

12:56 p.m.-10:15 p.m.

1 stop10h 19m

C$ 520

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Fri 30/5

10:51 p.m.-6:45 a.m.

2 stops30h 54m

Ottawa

Fri 6/6

6:00 a.m.-5:04 a.m.

3 stops24h 04m

C$ 573

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Fri 9/5

5:00 a.m.-3:25 p.m.

2 stops9h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

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

2 stops8h 58m

C$ 574

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 29/6

5:20 a.m.-2:41 p.m.

1 stop8h 21m

Toronto Pearson Intl

Sun 6/7

1:04 p.m.-9:23 p.m.

1 stop9h 19m

C$ 574

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 27 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, January is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of C$ 167). Flying from San Antonio to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

Rainfall in Ontario by month

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.

Temperature in Ontario by month

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).

Reviews of airlines servicing Ontario

See what other customers who have flown with Alaska Airlines, Delta and United Airlines from San Antonio to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,871 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,871 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,918 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,658 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

WestJet

7.2

Good

2,805 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.
What are the cheapest airlines to fly from San Antonio to Region of Ontario one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at C$ 204. United Airlines flights start at C$ 211 while deals on American Airlines start at C$ 264 one-way.
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, January is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of C$ 167). Flying from San Antonio to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Pearson Intl flights

Hobby to Vancouver Intl flights

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Hobby to Winnipeg flights

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El Paso to Vancouver Intl flights

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Laredo to Vancouver Intl flights

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San Antonio to Calgary flights

Austin to Edmonton flights

Hobby to Ottawa flights

Love Field to Edmonton flights

Love Field to Calgary flights

George Bush Intcntl to Ottawa flights

Austin to Winnipeg flights

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Hobby to Victoria flights

George Bush Intcntl to Halifax flights

Complete your trip

Region of Ontario car rentals

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Direct flights to Canada

Top 2 airlines flying from San Antonio to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 350	AverageC$ 384	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 557	AverageC$ 730	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from San Antonio to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

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

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

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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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 15 April 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 15 April 2025.

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?

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

See what other customers who have flown with Alaska Airlines, Delta and United Airlines from San Antonio to Ontario have to say. Users have also rated airlines 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?

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

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

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

Alternative routes for San Antonio to Ontario

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

Top 2 airlines 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 15 April 2025.