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San Antonio

$184+ Cheap flights from Ontario to San Antonio (SAT)

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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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 February 22, 2025.

Round-trip from

$253
(Mytrip)

One-way from

$184
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$362
From Ontario to San Antonio
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One-way flight from Ontario to San Antonio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 22, 2025.

This Mytrip deal was found by Cheapflights users on 2/21. 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.
Mon 4/73:55 pmYUL - SAT
1 stop19h 08mMultiple Airlines
Mon 4/1410:51 amSAT - YUL
1 stop27h 04mMultiple Airlines
Deal found 2/21$253
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:15 pmYYZ - SAT
1 stop7h 52mMultiple Airlines
Wed 4/166:50 pmSAT - YYZ
1 stop10h 53mMultiple Airlines
Deal found 2/20$285
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 3/206:10 amYYZ - SAT
1 stop10h 37mUnited Airlines
Tue 3/255:30 amSAT - YYZ
2 stops9h 15mUnited Airlines
Deal found 2/21$306
This Mytrip deal was found by Cheapflights users on 2/22. 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 4/87:00 amYTZ - SAT
2 stops27h 56mMultiple Airlines
Tue 4/1510:51 amSAT - YTZ
2 stops34h 24mMultiple Airlines
Deal found 2/22$308
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Fri 4/46:35 pmYUL - SAT
1 stop14h 56mAir Canada
Mon 4/145:20 pmSAT - YUL
1 stop16h 08mAir Canada
Deal found 2/21$313
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 3/181:35 pmYUL - SAT
2 stops10h 28mUnited Airlines
Sat 3/227:18 amSAT - YUL
1 stop7h 40mUnited Airlines
Deal found 2/21$315
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/192:15 pmYUL - SAT
1 stop9h 21mAmerican Airlines
Sun 3/235:00 amSAT - YUL
1 stop8h 50mAmerican Airlines
Deal found 2/20$324
This Delta deal was found by Cheapflights users on 2/21. 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.
Fri 4/46:00 pmYUL - SAT
1 stop7h 30mDelta
Sun 4/65:30 amSAT - YUL
1 stop10h 22mDelta
Deal found 2/21$333
This Air Canada deal was found by Cheapflights users on 2/22. 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.
Sat 3/88:50 amYTZ - SAT
2 stops15h 30mAir Canada
Sat 3/297:18 amSAT - YTZ
2 stops11h 32mAir Canada
Deal found 2/22$340
This Delta deal was found by Cheapflights users on 2/21. 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 3/162:45 pmYYZ - SAT
1 stop7h 42mDelta
Sun 3/235:30 amSAT - YYZ
1 stop9h 42mDelta
Deal found 2/21$342
This Mytrip deal was found by Cheapflights users on 2/22. 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 4/82:50 pmYOW - SAT
2 stops27h 48mMultiple Airlines
Tue 4/156:50 pmSAT - YOW
2 stops28h 50mMultiple Airlines
Deal found 2/22$350
This FlightHub deal was found by Cheapflights users on 2/22. 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.
Wed 3/1212:48 pmYUL - SAT
1 stop10h 56mWestJet
Tue 3/181:45 pmSAT - YUL
1 stop26h 10mWestJet
Deal found 2/22$357

Find flights from Ontario to San Antonio within your budget

Customize your flight search to find flights from Ontario to San Antonio 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 February 22, 2025.

Fly from

Ontario

Fly to

San Antonio

Route

Depart

Return

Price

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 4/7

3:55 pm-10:03 am

1 stop19h 08m

San Antonio

Mon 4/14

10:51 am-2:55 pm

1 stop27h 04m

$253

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 4/8

4:15 pm-11:07 pm

1 stop7h 52m

San Antonio

Wed 4/16

6:50 pm-6:43 am

1 stop10h 53m

$285

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 3/20

6:10 am-3:47 pm

1 stop10h 37m

San Antonio

Tue 3/25

5:30 am-3:45 pm

2 stops9h 15m

$306

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Tue 4/8

7:00 am-9:56 am

2 stops27h 56m

San Antonio

Tue 4/15

10:51 am-10:15 pm

2 stops34h 24m

$308

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 4/4

6:35 pm-8:31 am

1 stop14h 56m

San Antonio

Mon 4/14

5:20 pm-10:28 am

1 stop16h 08m

$313

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 3/18

1:35 pm-11:03 pm

2 stops10h 28m

San Antonio

Sat 3/22

7:18 am-3:58 pm

1 stop7h 40m

$315

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 3/19

2:15 pm-10:36 pm

1 stop9h 21m

San Antonio

Sun 3/23

5:00 am-2:50 pm

1 stop8h 50m

$324

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 4/4

6:00 pm-12:30 am

1 stop7h 30m

San Antonio

Sun 4/6

5:30 am-4:52 pm

1 stop10h 22m

$333

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Sat 3/8

8:50 am-11:20 pm

2 stops15h 30m

San Antonio

Sat 3/29

7:18 am-7:50 pm

2 stops11h 32m

$340

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sun 3/16

2:45 pm-9:27 pm

1 stop7h 42m

San Antonio

Sun 3/23

5:30 am-4:12 pm

1 stop9h 42m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 29 results
1
2
3

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.

Travel insights for flights from Ontario to San Antonio

Get recent, data-driven insights about flights from Ontario to San Antonio including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $295). Flying from Region of Ontario to San Antonio in March is currently the most expensive (average of $376). 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?

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 February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Antonio as you normally would.

Rainfall in San Antonio by month

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

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated February 22, 2025.
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. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,700 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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

Alaska Airlines
8.0
Very good
9,700 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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

Delta
8.0
Very good
8,203 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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

United Airlines
7.4
Good
8,754 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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

WestJet
7.2
Good
2,800 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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 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?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Ontario. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

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

    The cheapest airlines for a one-way flight from Region of Ontario to San Antonio are United Airlines ($186), American Airlines ($189), and WestJet ($198).

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $295). Flying from Region of Ontario to San Antonio in March is currently the most expensive (average of $376). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
New Braunfels

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Alternative routes for Ontario to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to San Antonio

Discover the top 4 airlines that operate flights from Ontario to San Antonio. 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$353FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$464FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$332FlexibilityNo cancel feeOn-time69%
WestJetCheapest$326Average$421FlexibilityNo cancel feeOn-time60%
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