$118+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Apr 15 — Apr 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Antonio to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Ontario
Cheapest
Best
Last-minute
One-way
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 March 16, 2026.
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 16, 2026.
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 4/217:14 am
SAT
- YYZ
1 stop14h 26m
American Airlines
Fri 4/246:15 pm
YYZ
- SAT
1 stop6h 41m
American Airlines
Deal found 3/13![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Tue 4/147:14 am
SAT
- YYZ
1 stop9h 25m
American Airlines
Sat 4/1812:34 pm
YYZ
- SAT
1 stop9h 24m
American Airlines
Deal found 3/11![American Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/256:20 am
SAT
- YYZ
1 stop9h 25m
American Airlines
Sat 5/23:45 pm
YYZ
- SAT
1 stop6h 02m
American Airlines
Deal found 3/13![American Airlines logo]()
$308
This Mytrip deal was found by Cheapflights users on 3/11. 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 4/1410:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Fri 4/176:30 am
YYZ
- SAT
1 stop18h 21m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/910:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Mon 4/133:40 pm
YYZ
- SAT
1 stop18h 47m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/1410:22 am
SAT
- YYZ
1 stop26h 43m
Multiple Airlines
Mon 4/208:00 pm
YYZ
- SAT
2 stops20h 09m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/1410:22 am
SAT
- YYZ
1 stop26h 43m
Multiple Airlines
Sun 4/196:30 am
YYZ
- SAT
1 stop18h 21m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 6/56:07 am
SAT
- YYZ
1 stop30h 58m
Multiple Airlines
Sat 6/136:30 am
YYZ
- SAT
1 stop18h 29m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/910:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Sun 4/127:10 am
YYZ
- SAT
1 stop30h 17m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 4/1010:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Mon 4/133:40 pm
YYZ
- SAT
1 stop18h 47m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Sat 4/111:22 pm
SAT
- YYZ
1 stop8h 13m
Multiple Airlines
Wed 4/156:30 am
YYZ
- SAT
1 stop18h 21m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Mon 3/161:40 pm
SAT
- YYZ
1 stop7h 59m
American Airlines
Wed 3/2511:53 am
YYZ
- SAT
1 stop9h 57m
American Airlines
Deal found 3/11![American Airlines logo]()
$374
Best flights from San Antonio to OntarioDiscover carefully curated flight deals from San Antonio to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
Discover carefully curated flight deals from San Antonio to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
This FlightHub deal was found by Cheapflights users on 3/16. 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.
Mon 6/158:00 am
SAT
- YYZ
1 stop7h 53m
WestJet
Sun 6/216:10 am
YYZ
- SAT
2 stops12h 06m
WestJet
Deal found 3/16![WestJet logo]()
$425
This United Airlines deal was found by Cheapflights users on 3/15. 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 5/27:05 am
SAT
- YUL
1 stop8h 05m
United Airlines
Sat 5/26:35 pm
YUL
- SAT
2 stops15h 07m
United Airlines
Deal found 3/15![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:30 pm
SAT
- YYZ
2 stops23h 15m
Alaska Airlines
Wed 5/62:45 pm
YYZ
- SAT
2 stops27h 20m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/291:40 pm
SAT
- YUL
2 stops9h 33m
United Airlines
Tue 6/22:20 pm
YUL
- SAT
2 stops9h 37m
United Airlines
Deal found 3/13![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 3/15. 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 4/185:10 am
SAT
- YYZ
1 stop7h 15m
Delta
Sat 4/257:45 am
YYZ
- SAT
1 stop6h 14m
Delta
Deal found 3/15![Delta logo]()
$959
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/712:15 pm
SAT
- YUL
1 stop8h 51m
United Airlines
Sat 4/116:10 am
YUL
- SAT
1 stop13h 49m
United Airlines
Deal found 3/13![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/2812:15 pm
SAT
- YUL
1 stop8h 51m
United Airlines
Tue 5/56:10 am
YUL
- SAT
2 stops15h 25m
United Airlines
Deal found 3/14![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/107:15 pm
SAT
- YUL
2 stops14h 25m
United Airlines
Mon 4/205:00 pm
YUL
- SAT
1 stop6h 58m
United Airlines
Deal found 3/15![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Sun 5/317:35 pm
SAT
- YUL
2 stops14h 05m
United Airlines
Tue 6/99:15 am
YUL
- SAT
2 stops11h 35m
United Airlines
Deal found 3/14![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 3/14. 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 5/309:37 am
SAT
- YUL
2 stops13h 36m
United Airlines
Sat 6/66:10 am
YUL
- SAT
2 stops10h 29m
United Airlines
Deal found 3/14![United Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:50 pm
SAT
- YYZ
2 stops16h 03m
Alaska Airlines
Mon 4/204:55 pm
YYZ
- SAT
2 stops25h 01m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$848
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:11 pm
SAT
- YYZ
2 stops23h 34m
Alaska Airlines
Fri 5/84:55 pm
YYZ
- SAT
2 stops27h 43m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$904
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:59 pm
SAT
- YYZ
2 stops22h 46m
Alaska Airlines
Fri 5/154:55 pm
YYZ
- SAT
2 stops23h 34m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$915
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/305:30 am
SAT
- YYZ
2 stops9h 16m
United Airlines
Wed 5/62:45 pm
YYZ
- SAT
2 stops9h 14m
United Airlines
Deal found 3/12![United Airlines logo]()
$663
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:50 pm
SAT
- YYZ
1 stop20h 55m
Alaska Airlines
Mon 4/204:55 pm
YYZ
- SAT
2 stops25h 01m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$930
Last-minute flights from San Antonio to OntarioDiscover last-minute flight deals from San Antonio to Ontario. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Ontario. Data last updated March 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Mon 3/161:40 pm
SAT
- YYZ
1 stop7h 59m
American Airlines
Wed 3/2511:53 am
YYZ
- SAT
1 stop9h 57m
American Airlines
Deal found 3/11![American Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/910:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Mon 4/133:40 pm
YYZ
- SAT
1 stop18h 47m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/910:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Sun 4/127:10 am
YYZ
- SAT
1 stop30h 17m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 4/1010:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Mon 4/133:40 pm
YYZ
- SAT
1 stop18h 47m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/1012:09 pm
SAT
- YUL
1 stop6h 36m
United Airlines
Mon 4/205:00 pm
YUL
- SAT
1 stop6h 58m
United Airlines
Deal found 3/13![United Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Sat 4/111:22 pm
SAT
- YYZ
1 stop8h 13m
Multiple Airlines
Wed 4/156:30 am
YYZ
- SAT
1 stop18h 21m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Tue 4/147:14 am
SAT
- YYZ
1 stop9h 25m
American Airlines
Sat 4/1812:34 pm
YYZ
- SAT
1 stop9h 24m
American Airlines
Deal found 3/11![American Airlines logo]()
$306
This Mytrip deal was found by Cheapflights users on 3/11. 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 4/1410:22 am
SAT
- YYZ
1 stop11h 58m
Multiple Airlines
Fri 4/176:30 am
YYZ
- SAT
1 stop18h 21m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/1410:22 am
SAT
- YYZ
1 stop26h 43m
Multiple Airlines
Mon 4/208:00 pm
YYZ
- SAT
2 stops20h 09m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/1410:22 am
SAT
- YYZ
1 stop26h 43m
Multiple Airlines
Sun 4/196:30 am
YYZ
- SAT
1 stop18h 21m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 4/217:14 am
SAT
- YYZ
1 stop14h 26m
American Airlines
Fri 4/246:15 pm
YYZ
- SAT
1 stop6h 41m
American Airlines
Deal found 3/13![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/256:20 am
SAT
- YYZ
1 stop9h 25m
American Airlines
Sat 5/23:45 pm
YYZ
- SAT
1 stop6h 02m
American Airlines
Deal found 3/13![American Airlines logo]()
$308
One-way flights from San Antonio to OntarioSearch for one-way flight options from San Antonio to Ontario. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
Search for one-way flight options from San Antonio to Ontario. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 6/26:04 am
SAT
- YYZ
1 stop7h 26m
American Airlines
Deal found 3/12![American Airlines logo]()
$118
This American Airlines deal was found by Cheapflights users on 3/13. 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 6/176:04 am
SAT
- YYZ
1 stop5h 30m
American Airlines
Deal found 3/13![American Airlines logo]()
$120
This Mytrip deal was found by Cheapflights users on 3/15. 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.
Sat 4/111:22 pm
SAT
- YYZ
1 stop8h 13m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$123
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 3/286:00 am
SAT
- YYZ
1 stop15h 39m
American Airlines
Deal found 3/12![American Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 3/311:22 pm
SAT
- YYZ
3 stops29h 48m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 6/46:07 am
SAT
- YYZ
1 stop9h 48m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$185
This FlightHub deal was found by Cheapflights users on 3/14. 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.
Fri 6/125:30 am
SAT
- YYZ
1 stop5h 46m
WestJet
Deal found 3/14![WestJet logo]()
$193
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/296:49 am
SAT
- YUL
1 stop9h 41m
United Airlines
Deal found 3/14![United Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 3/14. 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 8/241:44 pm
SAT
- YUL
1 stop7h 22m
United Airlines
Deal found 3/14![United Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:39 pm
SAT
- YUL
2 stops33h 26m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$217
This FlightHub deal was found by Cheapflights users on 3/15. 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.
Mon 5/255:25 am
SAT
- YUL
1 stop11h 18m
WestJet
Deal found 3/15![WestJet logo]()
$241
This Delta deal was found by Cheapflights users on 3/15. 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 5/255:20 am
SAT
- YUL
1 stop5h 39m
Delta
Deal found 3/15![Delta logo]()
$247
Find 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 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (American Airlines) |
One-way from | $118 (American Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $506 |
Good round-trip deal | $684 or less |
Good one-way deal | $347 or less |
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 16, 2026.
Use the filters below to find and compare flights from San Antonio to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Mon 6/15
8:00 am-4:53 pm
1 stop7h 53m
Toronto Pearson Intl
Sun 6/21
6:10 am-5:16 pm
2 stops12h 06m
$425
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Sat 5/2
7:05 am-4:10 pm
1 stop8h 05m
Montreal Pierre Elliott Trudeau Intl
Sat 5/2
6:35 pm-8:42 am
2 stops15h 07m
$454
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Fri 5/29
1:40 pm-12:13 am
2 stops9h 33m
Montreal Pierre Elliott Trudeau Intl
Tue 6/2
2:20 pm-10:57 pm
2 stops9h 37m
$468
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Tue 4/7
12:15 pm-10:06 pm
1 stop8h 51m
Montreal Pierre Elliott Trudeau Intl
Sat 4/11
6:10 am-6:59 pm
1 stop13h 49m
$474
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Tue 4/28
12:15 pm-10:06 pm
1 stop8h 51m
Montreal Pierre Elliott Trudeau Intl
Tue 5/5
6:10 am-8:35 pm
2 stops15h 25m
$479
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Fri 4/10
7:15 pm-10:40 am
2 stops14h 25m
Montreal Pierre Elliott Trudeau Intl
Mon 4/20
5:00 pm-10:58 pm
1 stop6h 58m
$484
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Sun 5/31
7:35 pm-10:40 am
2 stops14h 05m
Montreal Pierre Elliott Trudeau Intl
Tue 6/9
9:15 am-7:50 pm
2 stops11h 35m
$489
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Sat 5/30
9:37 am-12:13 am
2 stops13h 36m
Montreal Pierre Elliott Trudeau Intl
Sat 6/6
6:10 am-3:39 pm
2 stops10h 29m
$489
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Thu 4/30
5:30 am-3:46 pm
2 stops9h 16m
Toronto Pearson Intl
Wed 5/6
2:45 pm-10:59 pm
2 stops9h 14m
$663
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Wed 4/29
3:30 pm-3:45 pm
2 stops23h 15m
Toronto Pearson Intl
Wed 5/6
2:45 pm-5:05 pm
2 stops27h 20m
$799
Showing 1-10 of 33 resultsSorted by cheapest first
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.
SAT-YYZ
SAT-YUL
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
SAT-CAON
SAT-YYZ
SAT-YUL
What is the cheapest month to book a flight from San Antonio to Region of Ontario?
Currently, September is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $73). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of $467). 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.
How much does it cost to fly round-trip from San Antonio to Region of Ontario?
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 16, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from San Antonio to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for San Antonio to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Ontario by cabin class
Find flights from San Antonio to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Ontario flights
Browse other San Antonio and Ontario flight options. Last updated on March 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$424 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$170 | Average$622 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$306 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$320 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$406 | Average$539 | FlexibilityNo cancel fee | On-time60% |