$187+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Ontario with Cheapflights
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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 June 18, 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 June 18, 2026.
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:50 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Wed 7/86:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/14![Air Canada logo]()
$374
This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:00 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Wed 10/216:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/16![Air Canada logo]()
$413
This deal was found by Cheapflights users on 6/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:50 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Fri 9/46:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/16![Air Canada logo]()
$422
This United deal was found by Cheapflights users on 6/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:30 am
SAT
- YYZ
1 stop7h 54m
Multiple Airlines
Wed 10/216:30 pm
YYZ
- SAT
Nonstop3h 43m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$423
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:50 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Fri 7/106:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/16![Air Canada logo]()
$424
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:12 pm
SAT
- YYZ
2 stops16h 07m
Multiple Airlines
Fri 9/186:30 pm
YYZ
- SAT
Nonstop3h 43m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$428
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:50 am
SAT
- YYZ
Nonstop3h 30m
Multiple Airlines
Wed 7/84:10 pm
YYZ
- SAT
1 stop7h 12m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$429
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:00 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Tue 10/274:30 pm
YYZ
- SAT
1 stop7h 38m
Air Canada
Deal found 6/15![Air Canada logo]()
$430
This deal was found by Cheapflights users on 6/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:50 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Mon 8/316:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/16![Air Canada logo]()
$432
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 10/206:35 am
SAT
- YYZ
1 stop10h 21m
United Airlines
Sat 10/2410:45 am
YYZ
- SAT
1 stop7h 07m
United Airlines
Deal found 6/15![United Airlines logo]()
$438
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:10 am
SAT
- YYZ
1 stop11h 22m
Multiple Airlines
Fri 8/286:30 pm
YYZ
- SAT
Nonstop3h 43m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$442
This United deal was found by Cheapflights users on 6/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:40 am
SAT
- YYZ
1 stop8h 06m
Multiple Airlines
Mon 7/136:30 pm
YYZ
- SAT
Nonstop3h 43m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$444
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 June 18, 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 June 18, 2026.
This United Airlines deal was found by Cheapflights users on 6/17. 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 9/77:35 am
SAT
- YYZ
1 stop5h 49m
United Airlines
Wed 9/233:53 pm
YYZ
- SAT
1 stop7h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:20 am
SAT
- YYZ
1 stop7h 12m
Delta
Fri 10/307:45 am
YYZ
- SAT
1 stop8h 43m
Delta
Deal found 6/13![Delta logo]()
$438
This Justfly.com deal was found by Cheapflights users on 6/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 pm
SAT
- YUL
1 stop28h 44m
WestJet
Sat 10/35:10 pm
YUL
- SAT
1 stop6h 36m
WestJet
Deal found 6/14![WestJet logo]()
$539
This United deal was found by Cheapflights users on 6/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
SAT
- YUL
1 stop9h 10m
Multiple Airlines
Wed 8/192:10 pm
YUL
- SAT
1 stop8h 03m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$553
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 7/92:10 pm
SAT
- YUL
1 stop6h 34m
American Airlines
Sat 7/187:17 am
YUL
- SAT
1 stop14h 23m
American Airlines
Deal found 6/12![American Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 6/17. 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 10/206:35 am
SAT
- YYZ
1 stop10h 21m
United Airlines
Sat 10/2410:45 am
YYZ
- SAT
1 stop7h 07m
United Airlines
Deal found 6/17![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:31 pm
SAT
- YYZ
1 stop7h 28m
Delta
Sun 9/206:34 pm
YYZ
- SAT
1 stop6h 42m
Delta
Deal found 6/14![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 6/15. 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 8/1712:05 pm
SAT
- YYZ
1 stop10h 52m
Delta
Fri 8/219:45 am
YYZ
- SAT
1 stop7h 09m
Delta
Deal found 6/15![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/225:30 pm
SAT
- YYZ
1 stop5h 43m
United Airlines
Thu 8/2710:15 am
YYZ
- SAT
1 stop7h 16m
United Airlines
Deal found 6/14![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:22 pm
SAT
- YYZ
1 stop7h 48m
Delta
Thu 8/136:10 am
YYZ
- SAT
1 stop5h 24m
Delta
Deal found 6/14![Delta logo]()
$457
This oojo deal was found by Cheapflights users on 6/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:43 pm
SAT
- YUL
1 stop8h 09m
WestJet
Wed 8/266:45 am
YUL
- SAT
2 stops10h 54m
WestJet
Deal found 6/13![WestJet logo]()
$557
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Mon 8/171:00 pm
SAT
- YUL
1 stop8h 06m
United Airlines
Wed 8/196:10 am
YUL
- SAT
1 stop6h 42m
United Airlines
Deal found 6/13![United Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 6/17. 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 8/284:00 pm
SAT
- YUL
1 stop6h 30m
Delta
Tue 9/17:00 am
YUL
- SAT
1 stop10h 39m
Delta
Deal found 6/17![Delta logo]()
$555
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/2812:10 pm
SAT
- YUL
1 stop6h 35m
United Airlines
Tue 9/19:45 am
YUL
- SAT
2 stops11h 13m
United Airlines
Deal found 6/13![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:40 am
SAT
- YUL
2 stops12h 05m
United Airlines
Wed 7/226:00 am
YUL
- SAT
1 stop7h 30m
United Airlines
Deal found 6/16![United Airlines logo]()
$564
Last-minute flights from San Antonio to OntarioDiscover last-minute flight deals from San Antonio to Ontario. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Ontario. Data last updated June 18, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:50 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Wed 7/86:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/14![Air Canada logo]()
$374
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:50 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Fri 7/106:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/16![Air Canada logo]()
$424
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:50 am
SAT
- YYZ
Nonstop3h 30m
Multiple Airlines
Wed 7/84:10 pm
YYZ
- SAT
1 stop7h 12m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$429
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:50 am
SAT
- YUL
1 stop8h 10m
Air Canada
Wed 7/810:40 am
YUL
- SAT
2 stops11h 33m
Air Canada
Deal found 6/16![Air Canada logo]()
$470
This United deal was found by Cheapflights users on 6/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:40 am
SAT
- YYZ
1 stop8h 06m
Multiple Airlines
Mon 7/136:30 pm
YYZ
- SAT
Nonstop3h 43m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/15. 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 7/113:00 pm
SAT
- YYZ
1 stop7h 02m
Delta
Fri 7/246:14 pm
YYZ
- SAT
1 stop5h 08m
Delta
Deal found 6/15![Delta logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:00 pm
SAT
- YYZ
1 stop6h 02m
WestJet
Fri 7/176:14 pm
YYZ
- SAT
1 stop5h 08m
WestJet
Deal found 6/16![WestJet logo]()
$456
This United deal was found by Cheapflights users on 6/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:40 am
SAT
- YYZ
1 stop11h 57m
Multiple Airlines
Fri 7/176:30 pm
YYZ
- SAT
Nonstop3h 43m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:39 pm
SAT
- YYZ
2 stops26h 06m
Multiple Airlines
Tue 7/216:30 am
YYZ
- SAT
1 stop15h 56m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/155:15 am
SAT
- YYZ
1 stop5h 04m
WestJet
Mon 7/209:45 am
YYZ
- SAT
1 stop13h 37m
WestJet
Deal found 6/17![WestJet logo]()
$455
This FlightHub deal was found by Cheapflights users on 6/17. 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.
Thu 7/166:05 am
SAT
- YYZ
1 stop16h 08m
WestJet
Mon 7/209:45 am
YYZ
- SAT
1 stop13h 37m
WestJet
Deal found 6/17![WestJet logo]()
$458
This Air Canada deal was found by Cheapflights users on 6/17. 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 7/308:50 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Mon 8/36:30 pm
YYZ
- SAT
Nonstop3h 43m
Air Canada
Deal found 6/17![Air Canada logo]()
$432
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 June 18, 2026.
Search for one-way flight options from San Antonio to Ontario. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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 10/185:30 am
SAT
- YYZ
1 stop7h 54m
United Airlines
Deal found 6/14![United Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 6/17. 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 9/276:00 am
SAT
- YYZ
1 stop15h 23m
United Airlines
Deal found 6/17![United Airlines logo]()
$190
This Air Canada deal was found by Cheapflights users on 6/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:00 am
SAT
- YYZ
Nonstop3h 30m
Air Canada
Deal found 6/15![Air Canada logo]()
$196
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 6/296:40 am
SAT
- YYZ
1 stop13h 04m
United Airlines
Deal found 6/15![United Airlines logo]()
$200
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:26 pm
SAT
- YYZ
2 stops14h 44m
WestJet
Deal found 6/16![WestJet logo]()
$201
This oojo deal was found by Cheapflights users on 6/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:05 am
SAT
- YYZ
2 stops16h 54m
WestJet
Deal found 6/17![WestJet logo]()
$203
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:05 am
SAT
- YYZ
2 stops12h 50m
WestJet
Deal found 6/15![WestJet logo]()
$209
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Sun 10/188:00 am
SAT
- YYZ
2 stops16h 05m
WestJet
Deal found 6/14![WestJet logo]()
$215
This FlightHub deal was found by Cheapflights users on 6/16. 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.
Sun 9/275:15 am
SAT
- YYZ
1 stop7h 19m
WestJet
Deal found 6/16![WestJet logo]()
$218
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/281:25 pm
SAT
- YUL
1 stop7h 01m
United Airlines
Deal found 6/13![United Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/285:01 am
SAT
- YUL
2 stops9h 18m
American Airlines
Deal found 6/13![American Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/131:35 pm
SAT
- YUL
1 stop7h 31m
United Airlines
Deal found 6/14![United Airlines logo]()
$248
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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $374 (Booking.com) |
One-way from | $187 (United Airlines) |
Popular in | October |
Cheapest in | July |
Average price | $439 |
Good round-trip deal | $356 or less |
Good one-way deal | $300 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 June 18, 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 9/7
7:35 am-2:24 pm
1 stop5h 49m
Toronto Pearson Intl
Wed 9/23
3:53 pm-10:44 pm
1 stop7h 51m
$438
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Mon 10/26
5:20 am-1:32 pm
1 stop7h 12m
Toronto Pearson Intl
Fri 10/30
7:45 am-3:28 pm
1 stop8h 43m
$438
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Tue 10/20
6:35 am-5:56 pm
1 stop10h 21m
Toronto Pearson Intl
Sat 10/24
10:45 am-4:52 pm
1 stop7h 07m
$438
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Fri 9/18
1:31 pm-9:59 pm
1 stop7h 28m
Toronto Pearson Intl
Sun 9/20
6:34 pm-12:16 am
1 stop6h 42m
$438
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Mon 8/17
12:05 pm-11:57 pm
1 stop10h 52m
Toronto Pearson Intl
Fri 8/21
9:45 am-3:54 pm
1 stop7h 09m
$457
Quickest round-trip
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Sat 8/22
5:30 pm-12:13 am
1 stop5h 43m
Toronto Pearson Intl
Thu 8/27
10:15 am-4:31 pm
1 stop7h 16m
$457
San AntonioToronto
SAT - YYZ
SATYYZ
San Antonio
Tue 8/11
2:22 pm-11:10 pm
1 stop7h 48m
Toronto Pearson Intl
Thu 8/13
6:10 am-10:34 am
1 stop5h 24m
$457
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Fri 9/25
6:00 pm-11:44 pm
1 stop28h 44m
Montreal Pierre Elliott Trudeau Intl
Sat 10/3
5:10 pm-10:46 pm
1 stop6h 36m
$539
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Sat 8/15
6:00 am-4:10 pm
1 stop9h 10m
Montreal Pierre Elliott Trudeau Intl
Wed 8/19
2:10 pm-9:13 pm
1 stop8h 03m
$553
San AntonioMontreal
SAT - YUL
SATYUL
San Antonio
Thu 7/9
2:10 pm-9:44 pm
1 stop6h 34m
Montreal Pierre Elliott Trudeau Intl
Sat 7/18
7:17 am-8:40 pm
1 stop14h 23m
$555
Showing 1-10 of 31 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, May is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $121). Flying from San Antonio to Region of Ontario in November is currently the most expensive (average of $503). 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 June 18, 2026.
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.
How much does it cost to fly round-trip from San Antonio to Region of Ontario?
How far ahead should I book a flight from San Antonio to Region of Ontario?
To ensure you get the cheapest price possible for a flight from San Antonio to Region of Ontario, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 June 18, 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.
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
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Complete your trip
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San Antonio and Ontario flights
Browse other San Antonio and Ontario flight options. Last updated on June 18, 2026.
Popular flight searches
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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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$546 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$193 | Average$504 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$348 | Average$522 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$404 | Average$523 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$480 | Average$515 | FlexibilityNo cancel fee | On-time71% |