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Cheap flights from San Antonio to Ontario from C$ 174

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 431

One-way from

C$ 174

Popular in

February

Cheapest in

August

Average price

C$ 703
11/7-13/7
  • 11/7-13/7
  • 2 total stops
  • 48h 59m total
  • San Antonio to Ontario
Search Deals
9/7
  • 9/7
  • 2 total stops
  • 15h 41m total
  • San Antonio to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Fri 11/77:10 a.m.SAT - YYZ
1 stop29h 55mMultiple Airlines
Sun 13/76:30 a.m.YYZ - SAT
1 stop19h 04mMultiple Airlines
Deal found 9/6C$ 431
Wed 9/72:11 p.m.SAT - YOW
2 stops15h 34mMultiple Airlines
Wed 16/73:50 p.m.YOW - SAT
1 stop9h 09mMultiple Airlines
Deal found 11/6C$ 522
Tue 22/72:11 p.m.SAT - YUL
2 stops33h 26mMultiple Airlines
Tue 29/76:45 a.m.YUL - SAT
2 stops31h 21mMultiple Airlines
Deal found 12/6C$ 550
Thu 24/76:35 p.m.SAT - YYZ
1 stop16h 49mSun Country Air
Thu 31/711:40 a.m.YYZ - SAT
1 stop23h 07mSun Country Air
Deal found 12/6C$ 550
Fri 25/75:15 a.m.SAT - YYZ
1 stop16h 33mUnited Airlines
Fri 1/87:00 a.m.YYZ - SAT
1 stop5h 45mUnited Airlines
Deal found 10/6C$ 567
Mon 11/87:08 a.m.SAT - YUL
1 stop8h 02mUnited Airlines
Wed 13/86:15 a.m.YUL - SAT
1 stop6h 30mUnited Airlines
Deal found 10/6C$ 593
Tue 22/75:00 a.m.SAT - YUL
2 stops10h 40mAmerican Airlines
Tue 29/75:29 p.m.YUL - SAT
1 stop7h 28mAmerican Airlines
Deal found 12/6C$ 607
Thu 28/811:27 a.m.SAT - YUL
1 stop10h 41mDelta
Mon 1/96:00 a.m.YUL - SAT
1 stop10h 41mDelta
Deal found 11/6C$ 618
Sun 29/65:20 a.m.SAT - YYZ
1 stop4h 58mDelta
Sun 6/76:15 a.m.YYZ - SAT
1 stop10h 16mDelta
Deal found 10/6C$ 700
Sun 20/76:45 a.m.SAT - YUL
2 stops10h 36mAir Canada
Thu 24/76:00 a.m.YUL - SAT
2 stops12h 42mAir Canada
Deal found 12/6C$ 729
Sun 22/65:20 a.m.SAT - YYZ
1 stop4h 58mWestJet
Wed 25/66:30 a.m.YYZ - SAT
1 stop5h 00mWestJet
Deal found 10/6C$ 740
Tue 15/710:40 a.m.SAT - YUL
1 stop6h 14mWestJet
Sun 20/76:45 a.m.YUL - SAT
2 stops9h 46mWestJet
Deal found 12/6C$ 771

Cheapflights Fare Finder

Customize your flight search to find flights from San Antonio to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from San Antonio to Ontario that are best for you.

Fly from

San Antonio

Fly to

Ontario

Route

Depart

Return

Price

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 11/7

7:10 a.m.-2:05 p.m.

1 stop29h 55m

Toronto Pearson Intl

Sun 13/7

6:30 a.m.-12:34 a.m.

1 stop19h 04m

C$ 431

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Wed 9/7

2:11 p.m.-6:45 a.m.

2 stops15h 34m

Ottawa

Wed 16/7

3:50 p.m.-11:59 p.m.

1 stop9h 09m

C$ 522

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 24/7

6:35 p.m.-12:24 p.m.

1 stop16h 49m

Toronto Pearson Intl

Thu 31/7

11:40 a.m.-9:47 a.m.

1 stop23h 07m

C$ 550

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 22/7

2:11 p.m.-12:37 a.m.

2 stops33h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 29/7

6:45 a.m.-1:06 p.m.

2 stops31h 21m

C$ 550

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 25/7

5:15 a.m.-10:48 p.m.

1 stop16h 33m

Toronto Pearson Intl

Fri 1/8

7:00 a.m.-11:45 a.m.

1 stop5h 45m

C$ 567

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 11/8

7:08 a.m.-4:10 p.m.

1 stop8h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 13/8

6:15 a.m.-11:45 a.m.

1 stop6h 30m

C$ 593

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 22/7

5:00 a.m.-4:40 p.m.

2 stops10h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 29/7

5:29 p.m.-11:57 p.m.

1 stop7h 28m

C$ 607

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Thu 28/8

11:27 a.m.-11:08 p.m.

1 stop10h 41m

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

6:00 a.m.-3:41 p.m.

1 stop10h 41m

C$ 618

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 29/6

5:20 a.m.-11:18 a.m.

1 stop4h 58m

Toronto Pearson Intl

Sun 6/7

6:15 a.m.-3:31 p.m.

1 stop10h 16m

C$ 700

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sun 20/7

6:45 a.m.-6:21 p.m.

2 stops10h 36m

Montreal Pierre Elliott Trudeau Intl

Thu 24/7

6:00 a.m.-5:42 p.m.

2 stops12h 42m

C$ 729

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 27 results
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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$ 255). 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

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

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

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 12 June 2025.
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
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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?

    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$ 249. American Airlines flights start at C$ 253 while deals on United Airlines start at C$ 316 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$ 255). 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

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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.
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Top airline flying from San Antonio to Ontario

Discover the top airline that operate flights from San Antonio to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 548AverageC$ 718FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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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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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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