Ontario

$135+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Apr 2 — Apr 91
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(Mytrip)

One-way from

$135
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$404
Provider with most accurate pricing for San Antonio-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for San Antonio-Toronto (YTO) flights.
From San Antonio to Ontario
One-way flight from San Antonio to Ontario
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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 4/157:25 pmSAT - YYZ
2 stops15h 20mMultiple Airlines
Sat 4/197:25 pmYYZ - SAT
1 stop10h 09mMultiple Airlines
Deal found 3/27$264
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/269:04 amSAT - YYZ
1 stop6h 22mAir Canada
Sat 5/32:10 pmYYZ - SAT
1 stop9h 49mAir Canada
Deal found 3/27$334
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 6/25:44 pmSAT - YUL
2 stops17h 00mAmerican Airlines
Tue 6/33:44 pmYUL - SAT
1 stop9h 14mAmerican Airlines
Deal found 3/27$363
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 5/214:21 pmSAT - YYZ
1 stop5h 15mUnited Airlines
Sun 5/257:00 amYYZ - SAT
1 stop6h 23mUnited Airlines
Deal found 3/27$364
This United Airlines deal was found by Cheapflights users on 3/27. 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 6/27:00 pmSAT - YUL
2 stops14h 40mUnited Airlines
Tue 6/32:00 pmYUL - SAT
2 stops8h 32mUnited Airlines
Deal found 3/27$368
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/104:00 pmSAT - YUL
1 stop6h 16mMultiple Airlines
Mon 5/198:05 amYUL - SAT
1 stop14h 02mMultiple Airlines
Deal found 3/27$373
This Air Canada deal was found by Cheapflights users on 3/27. 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 4/105:20 pmSAT - YUL
1 stop16h 08mAir Canada
Sun 4/208:05 amYUL - SAT
1 stop14h 10mAir Canada
Deal found 3/27$383
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 5/236:34 pmSAT - YYZ
1 stop15h 17mAmerican Airlines
Mon 5/266:45 amYYZ - SAT
1 stop5h 49mAmerican Airlines
Deal found 3/27$401
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/234:35 pmSAT - YYZ
1 stop5h 23mWestJet
Sun 5/256:30 amYYZ - SAT
1 stop6h 20mWestJet
Deal found 3/27$405
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 6/2812:10 pmSAT - YYZ
1 stop8h 49mDelta
Sun 7/66:15 amYYZ - SAT
1 stop5h 50mDelta
Deal found 3/27$411
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 5/314:00 pmSAT - YUL
1 stop6h 16mDelta
Wed 6/46:15 amYUL - SAT
1 stop6h 35mDelta
Deal found 3/27$416
This WestJet deal was found by Cheapflights users on 3/27. 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.
Fri 5/306:25 amSAT - YUL
2 stops17h 18mWestJet
Sat 6/77:00 amYUL - SAT
2 stops18h 19mWestJet
Deal found 3/27$471

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 March 28, 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

Tue 4/15

7:25 pm-11:45 am

2 stops15h 20m

Toronto Pearson Intl

Sat 4/19

7:25 pm-4:34 am

1 stop10h 09m

$264

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 4/26

9:04 am-4:26 pm

1 stop6h 22m

Toronto Pearson Intl

Sat 5/3

2:10 pm-10:59 pm

1 stop9h 49m

$334

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 6/2

5:44 pm-11:44 am

2 stops17h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 6/3

3:44 pm-11:58 pm

1 stop9h 14m

$363

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Wed 5/21

4:21 pm-10:36 pm

1 stop5h 15m

Toronto Pearson Intl

Sun 5/25

7:00 am-12:23 pm

1 stop6h 23m

$364

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 6/2

7:00 pm-10:40 am

2 stops14h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 6/3

2:00 pm-9:32 pm

2 stops8h 32m

$368

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 5/10

4:00 pm-11:16 pm

1 stop6h 16m

Montreal Pierre Elliott Trudeau Intl

Mon 5/19

8:05 am-9:07 pm

1 stop14h 02m

$373

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Thu 4/10

5:20 pm-10:28 am

1 stop16h 08m

Montreal Pierre Elliott Trudeau Intl

Sun 4/20

8:05 am-9:15 pm

1 stop14h 10m

$383

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 5/23

6:34 pm-10:51 am

1 stop15h 17m

Toronto Pearson Intl

Mon 5/26

6:45 am-11:34 am

1 stop5h 49m

$401

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 5/23

4:35 pm-10:58 pm

1 stop5h 23m

Toronto Pearson Intl

Sun 5/25

6:30 am-11:50 am

1 stop6h 20m

$405

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 6/28

12:10 pm-9:59 pm

1 stop8h 49m

Toronto Pearson Intl

Sun 7/6

6:15 am-11:05 am

1 stop5h 50m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 25 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 $359). 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 March 28, 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 March 28, 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.

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
8.0
Very good

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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

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 Air Canada. According to our data, you can fly for as low as $159. Users have also found prices from $160 and $169 on Delta 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 $359). 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

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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.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$144Average$631FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$160Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$297Average$610FlexibilityNo cancel feeOn-time69%
DeltaCheapest$298Average$362FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$349Average$479FlexibilityNo cancel feeOn-time60%
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