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

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 253. Air Canada flights start at C$ 275 while deals on United Airlines start at C$ 284 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 Toronto Island - 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 84% 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$ 523 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$ 698 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 June. 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$ 521 on average during September, but can be found for as low as C$ 372.

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$ 227+ Flights from Ontario to San Antonio - Compare & Save Big

Cheap flight deals from Ontario to San Antonio

Round-trip from	C$ 424
One-way from	C$ 227
Popular in	June
Cheapest in	September
Average price	C$ 608

United Airlines
6/6-12/6
2 total stops
22h 36m total
Ontario to San Antonio

Search Deals

11/5
1 total stop
17h 21m total
Ontario to San Antonio

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 64 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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 30 April 2025.

Fri 6/67:00 a.m.YYZ - SAT

1 stop6h 23mUnited Airlines

Thu 12/66:45 a.m.SAT - YYZ

1 stop16h 13mUnited Airlines

Deal found 27/4C$ 424

Mon 26/56:15 a.m.YYZ - SAT

1 stop10h 02mDelta

Mon 2/64:35 p.m.SAT - YYZ

1 stop5h 23mDelta

Deal found 28/4C$ 432

Fri 23/511:45 a.m.YYZ - SAT

1 stop11h 31mAmerican Airlines

Sun 25/56:15 a.m.SAT - YYZ

1 stop5h 15mAmerican Airlines

Deal found 28/4C$ 444

Fri 6/612:00 p.m.YYZ - SAT

2 stops12h 09mWestJet

Thu 12/68:00 a.m.SAT - YYZ

2 stops12h 03mWestJet

Deal found 27/4C$ 464

Sun 25/59:45 a.m.YYZ - SAT

1 stop28h 57mMultiple Airlines

Fri 30/510:42 a.m.SAT - YYZ

1 stop12h 05mMultiple Airlines

Deal found 29/4C$ 471

Thu 22/511:00 a.m.YYZ - SAT

1 stop6h 38mAir Canada

Mon 26/56:45 a.m.SAT - YYZ

1 stop8h 01mAir Canada

Deal found 29/4C$ 473

Sun 18/57:00 a.m.YTZ - SAT

2 stops23h 04mMultiple Airlines

Tue 20/57:05 a.m.SAT - YTZ

2 stops37h 15mMultiple Airlines

Deal found 28/4C$ 478

Fri 16/58:05 a.m.YUL - SAT

1 stop16h 38mUnited Airlines

Sat 31/511:41 a.m.SAT - YUL

2 stops19h 07mUnited Airlines

Deal found 29/4C$ 486

Sat 21/63:40 p.m.YUL - SAT

1 stop8h 23mAmerican Airlines

Tue 24/66:25 a.m.SAT - YUL

1 stop6h 19mAmerican Airlines

Deal found 29/4C$ 498

Tue 20/511:20 a.m.YOW - SAT

2 stops18h 44mMultiple Airlines

Wed 11/62:37 p.m.SAT - YOW

2 stops18h 44mMultiple Airlines

Deal found 28/4C$ 498

Thu 16/106:00 a.m.YUL - SAT

1 stop10h 01mDelta

Tue 21/105:30 a.m.SAT - YUL

1 stop10h 34mDelta

Deal found 29/4C$ 525

Sat 21/66:45 a.m.YUL - SAT

2 stops11h 21mWestJet

Tue 24/61:35 p.m.SAT - YUL

2 stops34h 08mWestJet

Deal found 29/4C$ 569

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 30 April 2025.

Fri 6/67:00 a.m.YYZ - SAT

1 stop6h 23mUnited Airlines

Thu 12/66:45 a.m.SAT - YYZ

1 stop16h 13mUnited Airlines

Deal found 27/4C$ 424

Mon 26/56:15 a.m.YYZ - SAT

1 stop10h 02mDelta

Mon 2/64:35 p.m.SAT - YYZ

1 stop5h 23mDelta

Deal found 28/4C$ 432

Fri 23/511:45 a.m.YYZ - SAT

1 stop11h 31mAmerican Airlines

Sun 25/56:15 a.m.SAT - YYZ

1 stop5h 15mAmerican Airlines

Deal found 28/4C$ 444

Fri 6/612:00 p.m.YYZ - SAT

2 stops12h 09mWestJet

Thu 12/68:00 a.m.SAT - YYZ

2 stops12h 03mWestJet

Deal found 27/4C$ 464

Sun 25/59:45 a.m.YYZ - SAT

1 stop28h 57mMultiple Airlines

Fri 30/510:42 a.m.SAT - YYZ

1 stop12h 05mMultiple Airlines

Deal found 29/4C$ 471

Tue 27/512:25 p.m.YTZ - SAT

2 stops11h 34mAir Canada

Tue 3/66:45 a.m.SAT - YTZ

2 stops10h 52mAir Canada

Deal found 27/4C$ 633

Mon 26/58:20 a.m.YUL - SAT

1 stop15h 37mUnited Airlines

Mon 2/65:35 a.m.SAT - YUL

1 stop16h 51mUnited Airlines

Deal found 28/4C$ 444

Tue 20/53:44 p.m.YUL - SAT

1 stop6h 05mAmerican Airlines

Sun 25/56:34 p.m.SAT - YUL

1 stop16h 10mAmerican Airlines

Deal found 28/4C$ 457

Sun 18/57:00 a.m.YTZ - SAT

2 stops23h 04mMultiple Airlines

Tue 20/57:05 a.m.SAT - YTZ

2 stops37h 15mMultiple Airlines

Deal found 28/4C$ 478

Thu 16/106:00 a.m.YUL - SAT

1 stop10h 01mDelta

Sun 19/105:20 a.m.SAT - YUL

1 stop9h 40mDelta

Deal found 29/4C$ 523

Tue 20/511:20 a.m.YOW - SAT

2 stops18h 44mMultiple Airlines

Wed 11/62:37 p.m.SAT - YOW

2 stops18h 44mMultiple Airlines

Deal found 28/4C$ 498

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

1 stop5h 35mWestJet

Sun 25/56:25 a.m.SAT - YUL

2 stops17h 18mWestJet

Deal found 28/4C$ 559

Last-minute flights from Ontario to San Antonio
Discover last-minute flight deals from Ontario to San Antonio. Data last updated 30 April 2025 and is based on user searches.

Sun 4/57:00 a.m.YUL - SAT

1 stop11h 29mWestJet

Sun 11/510:32 a.m.SAT - YUL

1 stop6h 08mWestJet

Deal found 29/4C$ 724

Sun 4/511:15 a.m.YUL - SAT

1 stop10h 19mUnited Airlines

Sun 11/55:30 a.m.SAT - YUL

2 stops8h 56mUnited Airlines

Deal found 29/4C$ 768

Sat 17/56:15 a.m.YYZ - SAT

1 stop7h 15mWestJet

Tue 20/51:46 p.m.SAT - YYZ

1 stop8h 28mWestJet

Deal found 28/4C$ 498

Sat 17/57:20 a.m.YYZ - SAT

2 stops14h 55mUnited Airlines

Tue 20/52:25 p.m.SAT - YYZ

2 stops8h 33mUnited Airlines

Deal found 28/4C$ 641

Sun 18/57:00 a.m.YTZ - SAT

2 stops23h 04mMultiple Airlines

Tue 20/57:05 a.m.SAT - YTZ

2 stops37h 15mMultiple Airlines

Deal found 28/4C$ 478

Tue 20/53:44 p.m.YUL - SAT

1 stop6h 05mAmerican Airlines

Sun 25/56:34 p.m.SAT - YUL

1 stop16h 10mAmerican Airlines

Deal found 28/4C$ 457

Tue 20/511:20 a.m.YOW - SAT

2 stops18h 44mMultiple Airlines

Wed 11/62:37 p.m.SAT - YOW

2 stops18h 44mMultiple Airlines

Deal found 28/4C$ 498

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

1 stop5h 35mWestJet

Sun 25/56:25 a.m.SAT - YUL

2 stops17h 18mWestJet

Deal found 28/4C$ 559

Wed 21/56:45 a.m.YUL - SAT

1 stop17h 06mMultiple Airlines

Tue 27/52:18 p.m.SAT - YUL

2 stops28h 39mMultiple Airlines

Deal found 28/4C$ 551

Fri 23/511:45 a.m.YYZ - SAT

1 stop11h 31mAmerican Airlines

Sun 25/56:15 a.m.SAT - YYZ

1 stop5h 15mAmerican Airlines

Deal found 28/4C$ 444

Sun 25/59:45 a.m.YYZ - SAT

1 stop28h 57mMultiple Airlines

Fri 30/510:42 a.m.SAT - YYZ

1 stop12h 05mMultiple Airlines

Deal found 29/4C$ 471

Mon 26/56:15 a.m.YYZ - SAT

1 stop10h 02mDelta

Mon 2/64:35 p.m.SAT - YYZ

1 stop5h 23mDelta

Deal found 28/4C$ 432

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 30 April 2025.

Sun 11/56:30 a.m.YYZ - SAT

1 stop17h 21mMultiple Airlines

Deal found 27/4C$ 227

Wed 14/55:20 p.m.YYZ - SAT

1 stop7h 38mAmerican Airlines

Deal found 28/4C$ 253

Sat 24/56:45 a.m.YUL - SAT

2 stops32h 15mMultiple Airlines

Deal found 29/4C$ 255

Thu 15/57:00 a.m.YYZ - SAT

1 stop6h 12mAir Canada

Deal found 28/4C$ 275

Thu 12/66:35 p.m.YYZ - SAT

2 stops15h 15mUnited Airlines

Deal found 28/4C$ 284

Fri 23/512:44 p.m.YUL - SAT

1 stop10h 34mDelta

Deal found 29/4C$ 284

Thu 12/68:00 p.m.YYZ - SAT

2 stops16h 15mWestJet

Deal found 27/4C$ 292

Fri 23/56:40 p.m.YUL - SAT

2 stops15h 10mUnited Airlines

Deal found 29/4C$ 292

Mon 5/512:00 p.m.YTZ - SAT

2 stops22h 14mMultiple Airlines

Deal found 28/4C$ 299

Thu 8/54:45 p.m.YYZ - SAT

2 stops26h 07mAlaska Airlines

Deal found 28/4C$ 1,056

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 6/6

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

1 stop6h 23m

San Antonio

Thu 12/6

6:45 a.m.-11:58 p.m.

1 stop16h 13m

C$ 424

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Mon 26/5

6:15 a.m.-3:17 p.m.

1 stop10h 02m

San Antonio

Mon 2/6

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

1 stop5h 23m

C$ 432

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 23/5

11:45 a.m.-10:16 p.m.

1 stop11h 31m

San Antonio

Sun 25/5

6:15 a.m.-12:30 p.m.

1 stop5h 15m

C$ 444

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 26/5

8:20 a.m.-10:57 p.m.

1 stop15h 37m

San Antonio

Mon 2/6

5:35 a.m.-11:26 p.m.

1 stop16h 51m

C$ 444

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

3:44 p.m.-8:49 p.m.

1 stop6h 05m

San Antonio

Sun 25/5

6:34 p.m.-11:44 a.m.

1 stop16h 10m

C$ 457

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 6/6

12:00 p.m.-11:09 p.m.

2 stops12h 09m

San Antonio

Thu 12/6

8:00 a.m.-9:03 p.m.

2 stops12h 03m

C$ 464

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 25/5

9:45 a.m.-1:42 p.m.

1 stop28h 57m

San Antonio

Fri 30/5

10:42 a.m.-11:47 p.m.

1 stop12h 05m

C$ 471

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 22/5

11:00 a.m.-4:38 p.m.

1 stop6h 38m

San Antonio

Mon 26/5

6:45 a.m.-3:46 p.m.

1 stop8h 01m

C$ 473

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Sun 18/5

7:00 a.m.-5:04 a.m.

2 stops23h 04m

San Antonio

Tue 20/5

7:05 a.m.-9:20 p.m.

2 stops37h 15m

C$ 478

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Tue 20/5

11:20 a.m.-5:04 a.m.

2 stops18h 44m

San Antonio

Wed 11/6

2:37 p.m.-10:21 a.m.

2 stops18h 44m

C$ 498

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 26 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, 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 May is currently the most expensive (average of C$ 443). 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 Alaska Airlines, Delta and United Airlines 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

9,961 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,936 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

WestJet

7.2

Good

2,823 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 American Airlines, which is currently one of the cheapest options available, starting at C$ 253. Air Canada flights start at C$ 275 while deals on United Airlines start at C$ 284 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 Toronto Island - 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 May is currently the most expensive (average of C$ 443). 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

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Top 5 airlines flying from Ontario to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 334	AverageC$ 704	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 358	AverageC$ 666	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 369	AverageC$ 412	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	CheapestC$ 370	AverageC$ 453	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 441	AverageC$ 560	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.

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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$ 227

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 11/5. 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

Keep the following information in mind while searching for Ontario to San Antonio flight deals. Data was last updated 30 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 30 April 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 30 April 2025.

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?

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 30 April 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

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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 30 April 2025.