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$127+ Cheap flights from San Antonio (SAT) to Ontario

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$315
(Mytrip)

One-way from

$127
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$514
From San Antonio to Ontario
Search Deals
One-way flight from San Antonio to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:10 amSAT - YYZ
1 stop29h 55mMultiple Airlines
Sun 7/136:30 amYYZ - SAT
1 stop19h 04mMultiple Airlines
Deal found 6/9$315
This Sun Country Air deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:35 pmSAT - YYZ
1 stop16h 49mSun Country Air
Thu 7/3111:40 amYYZ - SAT
1 stop23h 07mSun Country Air
Deal found 6/12$402
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/222:11 pmSAT - YUL
2 stops33h 26mMultiple Airlines
Tue 7/296:45 amYUL - SAT
2 stops31h 21mMultiple Airlines
Deal found 6/9$407
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2512:55 pmSAT - YYZ
1 stop5h 42mUnited Airlines
Fri 8/17:00 amYYZ - SAT
1 stop5h 45mUnited Airlines
Deal found 6/10$415
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/111:29 pmSAT - YUL
1 stop9h 24mDelta
Fri 8/156:00 amYUL - SAT
1 stop10h 41mDelta
Deal found 6/12$434
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:00 amSAT - YUL
1 stop11h 45mUnited Airlines
Fri 8/159:45 amYUL - SAT
2 stops12h 42mUnited Airlines
Deal found 6/12$444
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/295:20 amSAT - YYZ
1 stop4h 58mDelta
Sun 7/66:15 amYYZ - SAT
1 stop10h 16mDelta
Deal found 6/10$512
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/225:20 amSAT - YYZ
1 stop4h 58mWestJet
Wed 6/256:30 amYYZ - SAT
1 stop5h 00mWestJet
Deal found 6/10$541
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:00 amSAT - YUL
2 stops10h 30mAmerican Airlines
Sun 9/217:50 amYUL - SAT
1 stop15h 04mAmerican Airlines
Deal found 6/10$556
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:00 amSAT - YYZ
2 stops8h 32mAmerican Airlines
Sat 8/25:15 pmYYZ - SAT
1 stop6h 56mAmerican Airlines
Deal found 6/11$571
This WestJet deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:10 amSAT - YUL
1 stop16h 58mWestJet
Mon 9/16:45 amYUL - SAT
2 stops9h 56mWestJet
Deal found 6/11$593
This Air Canada deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:30 amSAT - YUL
2 stops9h 30mAir Canada
Sun 9/216:00 amYUL - SAT
2 stops8h 22mAir Canada
Deal found 6/10$697

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 2,558,603 searches. Data last updated June 12, 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 7/11

7:10 am-2:05 pm

1 stop29h 55m

Toronto Pearson Intl

Sun 7/13

6:30 am-12:34 am

1 stop19h 04m

$315

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 7/24

6:35 pm-12:24 pm

1 stop16h 49m

Toronto Pearson Intl

Thu 7/31

11:40 am-9:47 am

1 stop23h 07m

$402

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 7/22

2:11 pm-12:37 am

2 stops33h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 7/29

6:45 am-1:06 pm

2 stops31h 21m

$407

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 7/25

12:55 pm-7:37 pm

1 stop5h 42m

Toronto Pearson Intl

Fri 8/1

7:00 am-11:45 am

1 stop5h 45m

$415

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 8/11

7:08 am-4:10 pm

1 stop8h 02m

Montreal Pierre Elliott Trudeau Intl

Sun 8/31

9:15 am-8:33 pm

1 stop12h 18m

$434

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Tue 7/22

8:00 am-5:54 pm

1 stop8h 54m

Montreal Pierre Elliott Trudeau Intl

Tue 7/29

6:00 am-10:30 am

1 stop5h 30m

$435

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 6/29

5:20 am-11:18 am

1 stop4h 58m

Toronto Pearson Intl

Sun 7/6

6:15 am-3:31 pm

1 stop10h 16m

$512

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 6/22

5:20 am-11:18 am

1 stop4h 58m

Toronto Pearson Intl

Wed 6/25

6:30 am-10:30 am

1 stop5h 00m

$541

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Thu 9/18

5:00 am-4:30 pm

2 stops10h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 9/21

7:50 am-9:54 pm

1 stop15h 04m

$556

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 7/26

5:00 am-2:32 pm

2 stops8h 32m

Toronto Pearson Intl

Sat 8/2

5:15 pm-11:11 pm

1 stop6h 56m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 22 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 $243). Flying from San Antonio to Region of Ontario in July is currently the most expensive (average of $353). 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 SAT to ON?

Find hourly flight availability from San Antonio to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from San Antonio to Region of Ontario, 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 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 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from San Antonio to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to Ontario.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $182. Users have also found prices from $185 and $231 on American Airlines and United Airlines, respectively.

  • 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 $243). Flying from San Antonio to Region of Ontario in July is currently the most expensive (average of $353). 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 5 airlines flying from San Antonio to Ontario

Discover the top 5 airlines 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$144Average$533FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$160Average$403FlexibilityNo cancel feeOn-time71%
DeltaCheapest$227Average$360FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$297Average$653FlexibilityNo cancel feeOn-time69%
WestJetCheapest$349Average$499FlexibilityNo cancel feeOn-time60%

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