$196+ Cheap flights from San Jose, CA (SJC) 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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Find cheap flights from San Jose to Ontario with Cheapflights
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Cheapest flights from San Jose to OntarioExplore the most affordable flight options available from San Jose to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
Explore the most affordable flight options available from San Jose to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
This Kissandfly.com deal was found by Cheapflights users on 6/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:35 pm
SJC
- YYZ
1 stop8h 22m
KLM
Thu 8/136:00 am
YYZ
- SJC
1 stop8h 22m
KLM
Deal found 6/18![KLM logo]()
$462
This Delta deal was found by Cheapflights users on 6/19. 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 7/286:00 am
SJC
- YYZ
1 stop7h 35m
Delta
Wed 8/512:25 pm
YYZ
- SJC
1 stop10h 59m
Delta
Deal found 6/19![Delta logo]()
$471
This Delta deal was found by Cheapflights users on 6/19. 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 7/106:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Tue 7/211:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 6/19![Delta logo]()
$472
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
SJC
- YYZ
1 stop13h 54m
American Airlines
Wed 9/26:46 am
YYZ
- SJC
1 stop9h 54m
American Airlines
Deal found 6/17![American Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 6/19. 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 7/107:10 pm
SJC
- YYZ
2 stops13h 09m
Delta
Wed 7/221:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 6/19![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 6/19. 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 7/1012:40 pm
SJC
- YYZ
1 stop8h 18m
Delta
Fri 7/2412:25 pm
YYZ
- SJC
1 stop11h 10m
Delta
Deal found 6/19![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 6/19. 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 7/77:00 am
SJC
- YYZ
2 stops13h 13m
Delta
Fri 7/176:10 am
YYZ
- SJC
2 stops12h 54m
Delta
Deal found 6/19![Delta logo]()
$487
This FlightHub deal was found by Cheapflights users on 6/18. 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 11/109:05 am
SJC
- YYZ
2 stops11h 35m
WestJet
Tue 11/177:45 am
YYZ
- SJC
2 stops12h 12m
WestJet
Deal found 6/18![WestJet logo]()
$490
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.
Wed 7/296:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Sat 8/811:40 am
YYZ
- SJC
1 stop13h 01m
Delta
Deal found 6/17![Delta logo]()
$496
This Delta deal was found by Cheapflights users on 6/18. 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 7/712:40 pm
SJC
- YUL
1 stop8h 12m
Delta
Wed 7/157:00 am
YUL
- SJC
1 stop8h 01m
Delta
Deal found 6/18![Delta logo]()
$518
This Delta deal was found by Cheapflights users on 6/18. 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.
Wed 7/87:00 am
SJC
- YUL
2 stops13h 25m
Delta
Wed 7/157:00 am
YUL
- SJC
1 stop8h 01m
Delta
Deal found 6/18![Delta logo]()
$528
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Sun 8/97:14 pm
SJC
- YUL
2 stops18h 39m
American Airlines
Tue 8/187:55 am
YUL
- SJC
2 stops13h 38m
American Airlines
Deal found 6/19![American Airlines logo]()
$532
Best flights from San Jose to OntarioDiscover carefully curated flight deals from San Jose to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
Discover carefully curated flight deals from San Jose to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
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 7/310:00 pm
SJC
- YYZ
1 stop11h 25m
Delta
Tue 7/71:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 6/17![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:08 pm
SJC
- YYZ
1 stop6h 51m
United Airlines
Tue 10/205:27 pm
YYZ
- SJC
1 stop8h 15m
United Airlines
Deal found 6/20![United Airlines logo]()
$472
This eDestinos deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:17 am
SJC
- YHM
2 stops31h 58m
Multiple Airlines
Sat 8/16:10 pm
YHM
- SJC
3 stops66h 16m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$641
This Air Canada deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:51 pm
SJC
- YTZ
2 stops18h 16m
Air Canada
Wed 9/2312:15 pm
YTZ
- SJC
2 stops11h 42m
Air Canada
Deal found 6/20![Air Canada logo]()
$657
This oojo deal was found by Cheapflights users on 6/18. 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.
Wed 7/222:59 pm
SJC
- YXU
2 stops11h 21m
WestJet
Mon 7/276:10 am
YXU
- SJC
2 stops14h 02m
WestJet
Deal found 6/18![WestJet logo]()
$921
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:30 am
SJC
- YYZ
1 stop12h 29m
Delta
Sun 10/46:15 am
YYZ
- SJC
1 stop9h 12m
Delta
Deal found 6/20![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/118:45 am
SJC
- YYZ
1 stop9h 47m
United Airlines
Wed 7/226:10 am
YYZ
- SJC
1 stop8h 53m
United Airlines
Deal found 6/19![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 6/19. 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.
Wed 8/191:24 pm
SJC
- YYZ
1 stop6h 46m
Delta
Tue 8/256:00 am
YYZ
- SJC
1 stop8h 22m
Delta
Deal found 6/19![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:37 pm
SJC
- YYZ
2 stops16h 47m
United Airlines
Wed 9/1610:45 am
YYZ
- SJC
1 stop9h 46m
United Airlines
Deal found 6/20![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 6/18. 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 10/1012:45 pm
SJC
- YYZ
1 stop8h 16m
Delta
Fri 10/161:30 pm
YYZ
- SJC
1 stop8h 22m
Delta
Deal found 6/18![Delta logo]()
$472
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Wed 7/226:10 am
YYZ
- SJC
2 stops12h 54m
Delta
Deal found 6/16![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:46 pm
SJC
- YYZ
1 stop8h 12m
Delta
Wed 7/86:30 am
YYZ
- SJC
2 stops12h 16m
Delta
Deal found 6/20![Delta logo]()
$482
This Air Canada deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm
SJC
- YQG
2 stops21h 32m
Air Canada
Tue 10/277:50 pm
YQG
- SJC
2 stops22h 16m
Air Canada
Deal found 6/20![Air Canada logo]()
$752
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.
Mon 9/216:37 pm
SJC
- YOW
2 stops16h 40m
United Airlines
Tue 9/225:20 pm
YOW
- SJC
1 stop8h 30m
United Airlines
Deal found 6/16![United Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:10 pm
SJC
- YYZ
2 stops13h 13m
Delta
Sun 10/181:30 pm
YYZ
- SJC
1 stop12h 28m
Delta
Deal found 6/20![Delta logo]()
$482
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.
Sat 11/1412:45 pm
SJC
- YQG
2 stops17h 24m
Air Canada
Wed 11/189:45 am
YQG
- SJC
2 stops14h 26m
Air Canada
Deal found 6/16![Air Canada logo]()
$752
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.
Thu 8/206:20 am
SJC
- YTZ
1 stop7h 22m
United Airlines
Tue 8/2512:15 pm
YTZ
- SJC
1 stop13h 35m
United Airlines
Deal found 6/17![United Airlines logo]()
$642
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Thu 7/231:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 6/19![Delta logo]()
$484
This Mytrip deal was found by Cheapflights users on 6/18. 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.
Fri 8/79:34 am
SJC
- YHM
3 stops26h 34m
Multiple Airlines
Thu 8/136:15 am
YHM
- SJC
3 stops19h 35m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$859
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.
Sun 8/211:33 am
SJC
- YXU
2 stops14h 47m
WestJet
Sat 8/86:10 am
YXU
- SJC
2 stops12h 59m
WestJet
Deal found 6/16![WestJet logo]()
$924
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:10 pm
SJC
- YTZ
1 stop16h 57m
United Airlines
Wed 9/237:25 pm
YTZ
- SJC
2 stops28h 23m
United Airlines
Deal found 6/20![United Airlines logo]()
$651
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:40 pm
SJC
- YUL
1 stop8h 12m
Delta
Wed 7/157:00 am
YUL
- SJC
1 stop8h 01m
Delta
Deal found 6/20![Delta logo]()
$518
This Mytrip deal was found by Cheapflights users on 6/19. 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.
Wed 8/57:21 am
SJC
- YHM
2 stops12h 52m
Multiple Airlines
Wed 8/126:55 pm
YHM
- SJC
2 stops30h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$941
This oojo deal was found by Cheapflights users on 6/19. 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 7/219:55 am
SJC
- YXU
2 stops16h 25m
WestJet
Mon 7/276:10 am
YXU
- SJC
2 stops16h 22m
WestJet
Deal found 6/19![WestJet logo]()
$948
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am
SJC
- YTZ
1 stop7h 12m
United Airlines
Sat 1/1612:15 pm
YTZ
- SJC
2 stops11h 56m
United Airlines
Deal found 6/20![United Airlines logo]()
$651
This Air Canada deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm
SJC
- YSB
2 stops21h 42m
Air Canada
Tue 10/208:05 pm
YSB
- SJC
2 stops24h 27m
Air Canada
Deal found 6/19![Air Canada logo]()
$903
This Delta deal was found by Cheapflights users on 6/18. 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.
Wed 7/87:00 am
SJC
- YUL
2 stops13h 25m
Delta
Tue 7/147:00 am
YUL
- SJC
2 stops15h 32m
Delta
Deal found 6/18![Delta logo]()
$533
This Mytrip deal was found by Cheapflights users on 6/19. 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.
Fri 7/107:20 am
SJC
- YHM
3 stops28h 48m
Multiple Airlines
Fri 7/176:10 am
YHM
- SJC
3 stops35h 02m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$945
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 9/216:30 am
SJC
- YTZ
1 stop7h 12m
United Airlines
Fri 9/253:15 pm
YTZ
- SJC
2 stops23h 46m
United Airlines
Deal found 6/17![United Airlines logo]()
$679
This Mytrip deal was found by Cheapflights users on 6/18. 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.
Sun 8/29:55 am
SJC
- YXU
2 stops16h 25m
WestJet
Sun 8/92:40 pm
YXU
- SJC
3 stops28h 10m
WestJet
Deal found 6/18![WestJet logo]()
$1,035
Last-minute flights from San Jose to OntarioDiscover last-minute flight deals from San Jose to Ontario. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Ontario. Data last updated June 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/19. 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 7/77:10 pm
SJC
- YYZ
2 stops10h 45m
Delta
Thu 7/166:30 am
YYZ
- SJC
2 stops12h 16m
Delta
Deal found 6/19![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 6/18. 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 7/712:40 pm
SJC
- YUL
1 stop8h 12m
Delta
Wed 7/157:00 am
YUL
- SJC
1 stop8h 01m
Delta
Deal found 6/18![Delta logo]()
$518
This oojo deal was found by Cheapflights users on 6/18. 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.
Thu 7/97:00 am
SJC
- YYZ
2 stops19h 10m
WestJet
Thu 7/162:50 pm
YYZ
- SJC
2 stops27h 56m
WestJet
Deal found 6/18![WestJet logo]()
$509
This Delta deal was found by Cheapflights users on 6/19. 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 7/106:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Tue 7/211:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 6/19![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 6/19. 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 7/107:10 pm
SJC
- YYZ
2 stops13h 09m
Delta
Wed 7/221:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 6/19![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 6/19. 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 7/1012:40 pm
SJC
- YYZ
1 stop8h 18m
Delta
Fri 7/2412:25 pm
YYZ
- SJC
1 stop11h 10m
Delta
Deal found 6/19![Delta logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/1111:35 am
SJC
- YYZ
2 stops14h 35m
Multiple Airlines
Fri 7/178:35 pm
YYZ
- SJC
1 stop19h 42m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$498
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:10 pm
SJC
- YYZ
2 stops15h 13m
Delta
Wed 7/226:10 am
YYZ
- SJC
2 stops12h 54m
Delta
Deal found 6/16![Delta logo]()
$499
This oojo deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:59 pm
SJC
- YYZ
2 stops11h 46m
WestJet
Tue 8/46:00 am
YYZ
- SJC
2 stops19h 13m
WestJet
Deal found 6/21![WestJet logo]()
$506
This Delta deal was found by Cheapflights users on 6/19. 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 7/286:00 am
SJC
- YYZ
1 stop7h 35m
Delta
Wed 8/512:25 pm
YYZ
- SJC
1 stop10h 59m
Delta
Deal found 6/19![Delta logo]()
$471
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.
Wed 7/296:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Sat 8/811:40 am
YYZ
- SJC
1 stop13h 01m
Delta
Deal found 6/17![Delta logo]()
$496
This Justfly.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:55 am
SJC
- YYZ
2 stops12h 10m
Multiple Airlines
Thu 8/139:30 am
YYZ
- SJC
1 stop12h 03m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$502
One-way flights from San Jose to OntarioSearch for one-way flight options from San Jose to Ontario. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
Search for one-way flight options from San Jose to Ontario. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
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.
Sun 9/202:24 pm
SJC
- YYZ
2 stops27h 51m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 6/19. 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 7/710:00 pm
SJC
- YYZ
1 stop11h 23m
Delta
Deal found 6/19![Delta logo]()
$202
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:23 pm
SJC
- YYZ
1 stop6h 50m
Delta
Deal found 6/21![Delta logo]()
$203
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:00 pm
SJC
- YYZ
1 stop11h 23m
Delta
Deal found 6/16![Delta logo]()
$207
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:23 pm
SJC
- YYZ
2 stops11h 55m
American Airlines
Deal found 6/17![American Airlines logo]()
$211
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.
Mon 7/66:37 pm
SJC
- YYZ
2 stops18h 09m
United Airlines
Deal found 6/16![United Airlines logo]()
$218
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.
Tue 7/216:35 am
SJC
- YYZ
1 stop7h 44m
Delta
Deal found 6/17![Delta logo]()
$219
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.
Wed 7/159:55 am
SJC
- YYZ
2 stops10h 18m
Delta
Deal found 6/17![Delta logo]()
$224
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.
Wed 7/152:59 pm
SJC
- YYZ
2 stops12h 56m
WestJet
Deal found 6/17![WestJet logo]()
$228
This American Airlines deal was found by Cheapflights users on 6/18. 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 7/87:22 pm
SJC
- YUL
2 stops16h 57m
American Airlines
Deal found 6/18![American Airlines logo]()
$228
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.
Thu 7/2311:33 am
SJC
- YYZ
2 stops14h 37m
WestJet
Deal found 6/17![WestJet logo]()
$229
This oojo deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:20 am
SJC
- YYZ
2 stops10h 55m
WestJet
Deal found 6/20![WestJet logo]()
$230
Find flight deals from San Jose to Ontario
Keep the following information in mind while searching for San Jose to Ontario flight deals. Data was last updated June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $455 (KAYAK) |
One-way from | $196 (Kiwi.com) |
Popular in | August |
Cheapest in | April |
Average price | $424 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose 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 21, 2026.
Use the filters below to find and compare flights from San Jose to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Fri 7/3
10:00 pm-12:25 pm
1 stop11h 25m
Toronto Pearson Intl
Tue 7/7
1:38 pm-10:49 pm
1 stop12h 11m
$472
Quickest round-trip
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sat 10/17
2:08 pm-11:59 pm
1 stop6h 51m
Toronto Pearson Intl
Tue 10/20
5:27 pm-10:42 pm
1 stop8h 15m
$472
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Thu 10/1
6:30 am-9:59 pm
1 stop12h 29m
Toronto Pearson Intl
Sun 10/4
6:15 am-12:27 pm
1 stop9h 12m
$472
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sat 7/11
8:45 am-9:32 pm
1 stop9h 47m
Toronto Pearson Intl
Wed 7/22
6:10 am-12:03 pm
1 stop8h 53m
$472
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Wed 8/19
1:24 pm-11:10 pm
1 stop6h 46m
Toronto Pearson Intl
Tue 8/25
6:00 am-11:22 am
1 stop8h 22m
$472
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sat 10/10
12:45 pm-12:01 am
1 stop8h 16m
Toronto Pearson Intl
Fri 10/16
1:30 pm-6:52 pm
1 stop8h 22m
$472
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Mon 9/14
6:37 pm-2:24 pm
2 stops16h 47m
Toronto Pearson Intl
Wed 9/16
10:45 am-5:31 pm
1 stop9h 46m
$482
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Wed 7/15
6:35 am-10:01 pm
1 stop12h 26m
Toronto Pearson Intl
Wed 7/22
6:10 am-4:04 pm
2 stops12h 54m
$482
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sat 7/4
12:46 pm-11:58 pm
1 stop8h 12m
Toronto Pearson Intl
Wed 7/8
6:30 am-3:46 pm
2 stops12h 16m
$482
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sat 10/3
6:10 pm-10:23 am
2 stops13h 13m
Toronto Pearson Intl
Sun 10/18
1:30 pm-10:58 pm
1 stop12h 28m
$482
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Jose to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from San Jose with our price prediction graph.
SJC-YYZ
SJC-YUL
SJC-YOW
SJC-YTZ
SJC-YHM
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 Jose to Ontario
SJC-CAON
SJC-YYZ
SJC-YUL
SJC-YOW
SJC-YTZ
What is the cheapest month to book a flight from San Jose, California to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from San Jose, California to Region of Ontario (average of $145). Flying from San Jose, California to Region of Ontario in January is currently the most expensive (average of $505). 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 Jose, California 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 June 21, 2026.
Read through reviews of airlines operating flights from San Jose to Ontario, such as Delta,United Airlines, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Jose 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 Jose to Ontario
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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 Jose to Ontario by cabin class
Find flights from San Jose to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Jose and Ontario flights
Browse other San Jose and Ontario flight options. Last updated on June 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Jose to Ontario flights
Consider these flights traveling from San Jose to Ontario.
Top 3 airlines flying from San Jose to Ontario
Discover the top 3 airlines that operate flights from San Jose 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$780 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$387 | Average$574 | FlexibilityNo cancel fee | On-time71% |