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San Antonio

$164+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$312
(Kiwi.com)

One-way from

$164
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$475
From Ontario to San Antonio
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One-way flight from Ontario to San Antonio
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Highest demand for flights based on searches. 13% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 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 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 June 12, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/88:05 pmYYZ - SAT
1 stop23h 31mMultiple Airlines
Thu 7/105:38 pmSAT - YYZ
1 stop26h 30mMultiple Airlines
Deal found 6/11$312
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 7/257:00 amYYZ - SAT
1 stop5h 45mUnited Airlines
Fri 8/15:20 pmSAT - YYZ
1 stop5h 38mUnited Airlines
Deal found 6/10$340
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:00 amYUL - SAT
1 stop9h 18mUnited Airlines
Tue 11/47:07 amSAT - YUL
1 stop7h 09mUnited Airlines
Deal found 6/11$357
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.
Thu 7/36:45 pmYUL - SAT
1 stop6h 32mDelta
Thu 7/102:49 pmSAT - YUL
1 stop8h 06mDelta
Deal found 6/10$358
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.
Fri 10/242:30 pmYUL - SAT
1 stop8h 48mAmerican Airlines
Mon 10/276:28 pmSAT - YUL
1 stop16h 07mAmerican Airlines
Deal found 6/10$367
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:49 amYYZ - SAT
1 stop5h 49mAmerican Airlines
Tue 9/26:00 amSAT - YYZ
2 stops7h 32mAmerican Airlines
Deal found 6/12$373
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:00 amYOW - SAT
2 stops17h 30mMultiple Airlines
Sat 8/165:20 amSAT - YOW
1 stop10h 46mMultiple Airlines
Deal found 6/10$397
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:00 pmYTZ - SAT
2 stops21h 55mMultiple Airlines
Tue 7/87:05 amSAT - YTZ
2 stops11h 37mMultiple Airlines
Deal found 6/11$404
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:30 pmYUL - SAT
1 stop7h 18mAir Canada
Sun 9/77:00 amSAT - YUL
1 stop7h 00mAir Canada
Deal found 6/11$411
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:30 pmYYZ - SAT
2 stops16h 15mWestJet
Sun 8/1012:36 pmSAT - YYZ
2 stops16h 36mWestJet
Deal found 6/11$414
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:59 pmYUL - SAT
1 stop6h 15mWestJet
Wed 7/302:49 pmSAT - YUL
1 stop8h 06mWestJet
Deal found 6/9$428
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2410:45 amYUL - SAT
3 stops25h 52mMultiple Airlines
Sat 7/54:20 pmSAT - YUL
3 stops31h 17mMultiple Airlines
Deal found 6/11$476

Cheapflights Fare Finder

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 June 12, 2025.
Use the filters below to find and compare flights from Ontario to San Antonio that are best for you.

Fly from

Ontario

Fly to

San Antonio

Route

Depart

Return

Price

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Tue 7/8

8:05 pm-6:36 pm

1 stop23h 31m

San Antonio

Thu 7/10

5:38 pm-9:08 pm

1 stop26h 30m

$312

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Fri 7/25

7:00 am-11:45 am

1 stop5h 45m

San Antonio

Fri 8/1

5:20 pm-11:58 pm

1 stop5h 38m

$340

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

7:00 am-3:18 pm

1 stop9h 18m

San Antonio

Tue 11/4

7:07 am-3:16 pm

1 stop7h 09m

$357

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 7/3

6:45 pm-12:17 am

1 stop6h 32m

San Antonio

Thu 7/10

2:49 pm-11:55 pm

1 stop8h 06m

$358

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

2:30 pm-10:18 pm

1 stop8h 48m

San Antonio

Mon 10/27

6:28 pm-11:35 am

1 stop16h 07m

$367

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Thu 8/28

6:49 am-11:38 am

1 stop5h 49m

San Antonio

Tue 9/2

6:00 am-2:32 pm

2 stops7h 32m

$373

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 8/13

7:00 am-11:30 pm

2 stops17h 30m

San Antonio

Sat 8/16

5:20 am-5:06 pm

1 stop10h 46m

$397

TorontoSan Antonio

YTZ - SAT

YTZSAT

Toronto Island

Tue 7/1

12:00 pm-8:55 am

2 stops21h 55m

San Antonio

Tue 7/8

7:05 am-7:42 pm

2 stops11h 37m

$404

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 9/1

4:30 pm-10:48 pm

1 stop7h 18m

San Antonio

Sun 9/7

7:00 am-3:00 pm

1 stop7h 00m

$411

TorontoSan Antonio

YYZ - SAT

YYZSAT

Toronto Pearson Intl

Sat 8/9

6:30 pm-9:45 am

2 stops16h 15m

San Antonio

Sun 8/10

12:36 pm-6:12 am

2 stops16h 36m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 28 results
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2
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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, 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 June 12, 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.

Weekly flight availability from Region of Ontario to San Antonio

Explore weekly flight availability from Ontario to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from CAON to SAT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 June 12, 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
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

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 ($203), Delta ($228), and American Airlines ($235).

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$296FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$277Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$365FlexibilityNo cancel feeOn-time69%
WestJetCheapest$326Average$422FlexibilityNo cancel feeOn-time60%

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