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Cheap flights from San Antonio to Ontario from C$ 165
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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
11 Oct — 18 Oct1
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 11 September 2025.
Find flight deals from San Antonio to Ontario
Cheapest flights from San Antonio to OntarioExplore 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 11 September 2025.
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 11 September 2025.
Wed 1/109:47 p.m.SAT - YYZ
1 stop31h 33mMultiple Airlines
Wed 8/103:00 p.m.YYZ - SAT
2 stops23h 19mMultiple Airlines
Deal found 9/9C$ 385
Fri 26/97:17 p.m.SAT - YYZ
1 stop17h 48mMultiple Airlines
Sun 28/96:30 a.m.YYZ - SAT
1 stop12h 42mMultiple Airlines
Deal found 10/9C$ 392
Fri 31/107:00 a.m.SAT - YYZ
1 stop12h 32mMultiple Airlines
Mon 3/111:30 p.m.YYZ - SAT
2 stops35h 10mMultiple Airlines
Deal found 11/9C$ 405
Mon 29/98:37 p.m.SAT - YYZ
2 stops21h 15mMultiple Airlines
Thu 2/109:35 a.m.YYZ - SAT
1 stop9h 37mMultiple Airlines
Deal found 9/9C$ 413
Sun 19/107:35 p.m.SAT - YYZ
1 stop27h 17mMultiple Airlines
Wed 22/109:45 a.m.YYZ - SAT
1 stop14h 55mMultiple Airlines
Deal found 11/9C$ 442
Thu 9/107:35 p.m.SAT - YYZ
1 stop27h 17mMultiple Airlines
Sat 18/101:35 p.m.YYZ - SAT
1 stop29h 55mMultiple Airlines
Deal found 10/9C$ 470
Sat 25/102:04 p.m.SAT - YYZ
2 stops15h 09mMultiple Airlines
Sat 1/1110:00 a.m.YYZ - SAT
1 stop29h 47mMultiple Airlines
Deal found 10/9C$ 475
Wed 8/107:00 a.m.SAT - YOW
2 stops16h 22mMultiple Airlines
Wed 15/104:25 p.m.YOW - SAT
1 stop24h 25mMultiple Airlines
Deal found 10/9C$ 524
Sun 2/117:35 p.m.SAT - YOW
2 stops20h 16mMultiple Airlines
Sat 8/114:20 p.m.YOW - SAT
3 stops23h 51mMultiple Airlines
Deal found 10/9C$ 590
Sun 28/98:30 p.m.SAT - YUL
1 stop17h 19mAmerican Airlines
Thu 2/107:29 a.m.YUL - SAT
1 stop14h 14mAmerican Airlines
Deal found 9/9C$ 601
Sat 25/105:32 p.m.SAT - YOW
2 stops22h 41mMultiple Airlines
Sat 1/119:30 a.m.YOW - SAT
1 stop8h 40mMultiple Airlines
Deal found 10/9C$ 628
Sun 28/97:17 p.m.SAT - YUL
3 stops23h 03mMultiple Airlines
Thu 2/106:45 a.m.YUL - SAT
1 stop8h 04mMultiple Airlines
Deal found 10/9C$ 650
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 11 September 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
Wed 1/10
9:47 p.m.-6:20 a.m.
1 stop31h 33m
Toronto Pearson Intl
Wed 8/10
3:00 p.m.-1:19 p.m.
2 stops23h 19m
C$ 385
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Mon 29/9
8:37 p.m.-6:52 p.m.
2 stops21h 15m
Toronto Pearson Intl
Thu 2/10
9:35 a.m.-6:12 p.m.
1 stop9h 37m
C$ 413
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Fri 31/10
7:35 p.m.-2:40 p.m.
1 stop18h 05m
Toronto Pearson Intl
Mon 3/11
9:35 a.m.-6:30 p.m.
1 stop9h 55m
C$ 430
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Sun 19/10
7:35 p.m.-11:52 p.m.
1 stop27h 17m
Toronto Pearson Intl
Wed 22/10
9:45 a.m.-11:40 p.m.
1 stop14h 55m
C$ 442
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Fri 26/9
7:17 p.m.-2:05 p.m.
1 stop17h 48m
Toronto Pearson Intl
Mon 29/9
9:35 a.m.-6:12 p.m.
1 stop9h 37m
C$ 500
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Mon 13/10
6:15 p.m.-1:38 p.m.
2 stops18h 23m
Toronto Pearson Intl
Thu 16/10
7:15 a.m.-3:50 p.m.
1 stop9h 35m
C$ 502
San AntonioOttawa
SAT - YOW
SATYOW
San Antonio
Wed 8/10
7:00 a.m.-12:22 a.m.
2 stops16h 22m
Ottawa
Wed 15/10
4:25 p.m.-3:50 p.m.
1 stop24h 25m
C$ 524
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Sun 28/9
8:30 p.m.-2:49 p.m.
1 stop17h 19m
Montreal Pierre Elliott Trudeau Intl
Thu 2/10
7:29 a.m.-8:43 p.m.
1 stop14h 14m
C$ 601
San AntonioOttawa
SAT - YOW
SATYOW
San Antonio
Sun 2/11
7:35 p.m.-4:51 p.m.
2 stops20h 16m
Ottawa
Sat 8/11
9:30 a.m.-10:27 p.m.
1 stop13h 57m
C$ 607
San AntonioOttawa
SAT - YOW
SATYOW
San Antonio
Sat 25/10
5:32 p.m.-5:13 p.m.
2 stops22h 41m
Ottawa
Sat 1/11
9:30 a.m.-5:10 p.m.
1 stop8h 40m
C$ 628
Showing 1-10 of 35 results
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$ 168). Flying from San Antonio to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.
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 11 September 2025.
Read through reviews of airlines operating flights from San Antonio to Ontario, such as WestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Overall
7.2
Entertainment
6.1
Comfort
7.1
Food
6.2
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentSugith,Jan 2025
CUN - YYZ
Crew
7.9
Overall
7.2
Entertainment
6.1
Comfort
7.1
Food
6.2
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentSugith,Jan 2025
CUN - YYZ
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.
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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 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 11 September 2025.
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How does Cheapflights help users find flights from San Antonio to Ontario?
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Why should you use Cheapflights to find cheap flight tickets from San Antonio to Ontario?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Antonio to Ontario.
Can Cheapflights find flights from San Antonio to Ontario with no change fees?
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.
Can Cheapflights notify me if prices for flights from San Antonio to Ontario become cheaper?
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.