$144+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
Apr 22 — Apr 291
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 March 23, 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 March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Mon 5/48:22 pm
SJC
- YYZ
1 stop20h 47m
Multiple Airlines
Mon 5/1110:00 am
YYZ
- SJC
2 stops12h 19m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$346
This lastminute.com deal was found by Cheapflights users on 3/22. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:55 pm
SJC
- YYZ
2 stops12h 50m
WestJet
Wed 5/136:15 am
YYZ
- SJC
2 stops12h 17m
WestJet
Deal found 3/22![WestJet logo]()
$370
This Justfly.com deal was found by Cheapflights users on 3/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:45 am
SJC
- YYZ
2 stops15h 20m
Multiple Airlines
Thu 5/74:55 pm
YYZ
- SJC
1 stop8h 40m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:45 pm
SJC
- YYZ
2 stops19h 34m
United Airlines
Wed 4/85:20 pm
YYZ
- SJC
1 stop8h 21m
United Airlines
Deal found 3/21![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:19 pm
SJC
- YYZ
2 stops12h 00m
United Airlines
Sat 5/21:00 pm
YYZ
- SJC
2 stops11h 32m
United Airlines
Deal found 3/21![United Airlines logo]()
$388
This lastminute.com deal was found by Cheapflights users on 3/19. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:59 pm
SJC
- YYZ
2 stops13h 56m
WestJet
Mon 5/1110:50 am
YYZ
- SJC
2 stops11h 29m
WestJet
Deal found 3/19![WestJet logo]()
$390
This lastminute.com deal was found by Cheapflights users on 3/19. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:00 pm
SJC
- YYZ
2 stops25h 05m
WestJet
Sun 5/1010:50 am
YYZ
- SJC
2 stops14h 24m
WestJet
Deal found 3/19![WestJet logo]()
$395
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 4/2711:00 pm
SJC
- YYZ
1 stop8h 19m
Delta
Tue 5/511:30 am
YYZ
- SJC
1 stop13h 15m
Delta
Deal found 3/21![Delta logo]()
$398
This Justfly.com deal was found by Cheapflights users on 3/21. 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 4/297:20 am
SJC
- YYZ
2 stops12h 25m
Multiple Airlines
Tue 5/54:55 pm
YYZ
- SJC
1 stop8h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 3/20. 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 10/87:00 am
SJC
- YYZ
2 stops14h 01m
Delta
Mon 10/192:15 pm
YYZ
- SJC
1 stop10h 52m
Delta
Deal found 3/20![Delta logo]()
$403
This Justfly.com deal was found by Cheapflights users on 3/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:45 am
SJC
- YYZ
2 stops20h 28m
WestJet
Tue 4/2110:00 am
YYZ
- SJC
2 stops30h 18m
WestJet
Deal found 3/19![WestJet logo]()
$404
This Delta deal was found by Cheapflights users on 3/20. 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 10/1510:20 pm
SJC
- YYZ
1 stop10h 57m
Delta
Sat 10/312:15 pm
YYZ
- SJC
1 stop10h 52m
Delta
Deal found 3/20![Delta logo]()
$407
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 March 23, 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 March 23, 2026.
This Delta deal was found by Cheapflights users on 3/19. 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.
Mon 4/1311:00 pm
SJC
- YYZ
1 stop10h 19m
Delta
Mon 4/2011:30 am
YYZ
- SJC
1 stop13h 15m
Delta
Deal found 3/19![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/116:19 pm
SJC
- YYZ
1 stop17h 55m
United Airlines
Thu 6/1110:45 am
YYZ
- SJC
1 stop9h 49m
United Airlines
Deal found 3/23![United Airlines logo]()
$398
This Air Canada deal was found by Cheapflights users on 3/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:00 pm
SJC
- YAM
2 stops18h 02m
Air Canada
Wed 9/232:00 pm
YAM
- SJC
2 stops22h 51m
Air Canada
Deal found 3/18![Air Canada logo]()
$601
This Delta deal was found by Cheapflights users on 3/19. 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 5/3111:00 pm
SJC
- YYZ
1 stop6h 59m
Delta
Wed 6/36:30 am
YYZ
- SJC
1 stop8h 48m
Delta
Deal found 3/19![Delta logo]()
$398
This Air Canada deal was found by Cheapflights users on 3/20. 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.
Mon 5/46:19 pm
SJC
- YTZ
2 stops22h 33m
Multiple Airlines
Mon 5/118:55 pm
YTZ
- SJC
2 stops24h 36m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 3/18. 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.
Sun 6/2810:56 pm
SJC
- YYZ
1 stop11h 29m
Delta
Wed 7/82:15 pm
YYZ
- SJC
1 stop10h 33m
Delta
Deal found 3/18![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/46:19 pm
SJC
- YOW
2 stops17h 03m
United Airlines
Thu 5/75:25 pm
YOW
- SJC
1 stop8h 21m
United Airlines
Deal found 3/20![United Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 3/21. 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.
Tue 6/236:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Wed 7/15:45 pm
YYZ
- SJC
1 stop8h 54m
Delta
Deal found 3/21![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 3/20. 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.
Mon 5/1112:12 pm
SJC
- YYZ
1 stop8h 46m
Delta
Sat 5/166:30 am
YYZ
- SJC
2 stops13h 32m
Delta
Deal found 3/20![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 3/22. 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 5/66:19 pm
SJC
- YOW
2 stops11h 52m
United Airlines
Wed 5/1310:44 am
YOW
- SJC
1 stop10h 47m
United Airlines
Deal found 3/22![United Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 3/21. 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.
Wed 4/158:20 pm
SJC
- YYZ
2 stops9h 36m
Delta
Sun 4/196:15 am
YYZ
- SJC
1 stop9h 06m
Delta
Deal found 3/21![Delta logo]()
$408
This WestJet deal was found by Cheapflights users on 3/21. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1711:30 am
SJC
- YHM
2 stops26h 45m
WestJet
Sun 7/266:10 pm
YHM
- SJC
2 stops46h 57m
WestJet
Deal found 3/21![WestJet logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:46 pm
SJC
- YOW
2 stops22h 52m
United Airlines
Tue 5/1210:44 am
YOW
- SJC
1 stop10h 47m
United Airlines
Deal found 3/21![United Airlines logo]()
$550
This Air Canada deal was found by Cheapflights users on 3/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:45 am
SJC
- YQG
2 stops21h 19m
Air Canada
Sat 5/210:05 am
YQG
- SJC
2 stops14h 27m
Air Canada
Deal found 3/18![Air Canada logo]()
$743
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/86:30 am
SJC
- YOW
1 stop7h 37m
United Airlines
Fri 4/105:25 pm
YOW
- SJC
1 stop8h 16m
United Airlines
Deal found 3/22![United Airlines logo]()
$574
This Air Canada deal was found by Cheapflights users on 3/19. 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 5/296:37 pm
SJC
- YSB
2 stops21h 39m
Air Canada
Tue 6/28:05 pm
YSB
- SJC
2 stops24h 29m
Air Canada
Deal found 3/19![Air Canada logo]()
$801
This Mytrip deal was found by Cheapflights users on 3/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 am
SJC
- YTZ
3 stops24h 42m
Multiple Airlines
Tue 5/123:35 pm
YTZ
- SJC
3 stops26h 57m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/259:40 am
SJC
- YUL
1 stop22h 00m
United Airlines
Wed 4/299:45 am
YUL
- SJC
1 stop15h 56m
United Airlines
Deal found 3/19![United Airlines logo]()
$635
This Air Canada deal was found by Cheapflights users on 3/20. 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 5/156:19 pm
SJC
- YXU
2 stops20h 14m
Air Canada
Sat 5/305:10 am
YXU
- SJC
2 stops15h 20m
Air Canada
Deal found 3/20![Air Canada logo]()
$833
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Thu 6/42:49 pm
SJC
- YTZ
3 stops22h 44m
Multiple Airlines
Mon 6/84:00 pm
YTZ
- SJC
3 stops25h 11m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Tue 5/56:30 am
SJC
- YUL
1 stop25h 10m
United Airlines
Tue 5/126:30 pm
YUL
- SJC
1 stop27h 01m
United Airlines
Deal found 3/20![United Airlines logo]()
$701
This Delta deal was found by Cheapflights users on 3/19. 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 9/1312:45 pm
SJC
- YUL
1 stop8h 11m
Delta
Thu 9/177:00 am
YUL
- SJC
2 stops19h 49m
Delta
Deal found 3/19![Delta logo]()
$721
This Delta deal was found by Cheapflights users on 3/20. 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.
Fri 6/191:35 pm
SJC
- YUL
2 stops19h 41m
Delta
Wed 6/2412:45 pm
YUL
- SJC
1 stop12h 03m
Delta
Deal found 3/20![Delta logo]()
$721
This WestJet deal was found by Cheapflights users on 3/18. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:59 pm
SJC
- YHM
2 stops24h 16m
WestJet
Thu 5/76:10 pm
YHM
- SJC
2 stops48h 22m
WestJet
Deal found 3/18![WestJet logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 3/22. 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 5/56:30 am
SJC
- YUL
1 stop8h 00m
United Airlines
Thu 5/75:00 pm
YUL
- SJC
1 stop8h 46m
United Airlines
Deal found 3/22![United Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 3/19. 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 9/131:15 pm
SJC
- YUL
1 stop7h 19m
Delta
Wed 9/167:00 am
YUL
- SJC
2 stops19h 49m
Delta
Deal found 3/19![Delta logo]()
$721
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Mon 6/292:59 pm
SJC
- YHM
2 stops29h 14m
Multiple Airlines
Tue 7/146:55 pm
YHM
- SJC
3 stops22h 18m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,166
This WestJet deal was found by Cheapflights users on 3/22. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:49 pm
SJC
- YHM
2 stops23h 26m
WestJet
Sun 6/76:10 pm
YHM
- SJC
2 stops24h 40m
WestJet
Deal found 3/22![WestJet logo]()
$1,309
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:19 pm
SJC
- YXU
2 stops20h 14m
United Airlines
Sat 5/305:40 am
YXU
- SJC
2 stops14h 50m
United Airlines
Deal found 3/21![United Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 6/11:13 pm
SJC
- YUL
1 stop7h 28m
Delta
Fri 6/55:06 pm
YUL
- SJC
1 stop7h 34m
Delta
Deal found 3/21![Delta logo]()
$736
Last-minute flights from San Jose to OntarioDiscover last-minute flight deals from San Jose to Ontario. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Ontario. Data last updated March 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/21. 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.
Sat 4/46:20 am
SJC
- YYZ
2 stops13h 19m
Delta
Wed 4/810:19 am
YYZ
- SJC
2 stops14h 14m
Delta
Deal found 3/21![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 3/21. 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.
Sun 4/56:00 am
SJC
- YYZ
2 stops14h 06m
Delta
Fri 4/1012:25 pm
YYZ
- SJC
1 stop12h 08m
Delta
Deal found 3/21![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 3/19. 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.
Mon 4/610:50 pm
SJC
- YYZ
2 stops13h 18m
Delta
Wed 4/1511:30 am
YYZ
- SJC
1 stop13h 15m
Delta
Deal found 3/19![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:45 pm
SJC
- YYZ
2 stops19h 34m
United Airlines
Wed 4/85:20 pm
YYZ
- SJC
1 stop8h 21m
United Airlines
Deal found 3/21![United Airlines logo]()
$383
This Justfly.com deal was found by Cheapflights users on 3/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:45 am
SJC
- YYZ
2 stops20h 28m
WestJet
Tue 4/2110:00 am
YYZ
- SJC
2 stops30h 18m
WestJet
Deal found 3/19![WestJet logo]()
$404
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sun 4/268:45 am
SJC
- YYZ
1 stop9h 47m
United Airlines
Wed 4/292:45 pm
YYZ
- SJC
1 stop10h 56m
United Airlines
Deal found 3/20![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 3/21. 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.
Sun 4/266:00 pm
SJC
- YYZ
2 stops14h 18m
Delta
Fri 5/112:22 pm
YYZ
- SJC
1 stop11h 15m
Delta
Deal found 3/21![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 4/2711:00 pm
SJC
- YYZ
1 stop8h 19m
Delta
Thu 5/75:45 pm
YYZ
- SJC
1 stop8h 56m
Delta
Deal found 3/21![Delta logo]()
$398
This Justfly.com deal was found by Cheapflights users on 3/21. 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 4/297:20 am
SJC
- YYZ
2 stops12h 25m
Multiple Airlines
Tue 5/54:55 pm
YYZ
- SJC
1 stop8h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$399
This FlightHub deal was found by Cheapflights users on 3/23. 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.
Wed 4/291:59 pm
SJC
- YYZ
2 stops12h 46m
WestJet
Sun 5/36:15 am
YYZ
- SJC
2 stops11h 53m
WestJet
Deal found 3/23![WestJet logo]()
$403
This Delta deal was found by Cheapflights users on 3/22. 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 4/3011:00 pm
SJC
- YYZ
1 stop8h 19m
Delta
Sun 5/106:30 am
YYZ
- SJC
1 stop8h 48m
Delta
Deal found 3/22![Delta logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:10 am
SJC
- YYZ
2 stops11h 55m
Multiple Airlines
Fri 5/14:55 pm
YYZ
- SJC
1 stop8h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$416
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 March 23, 2026.
Search for one-way flight options from San Jose to Ontario. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:22 pm
SJC
- YYZ
1 stop20h 47m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$144
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/76:19 pm
SJC
- YYZ
1 stop17h 55m
United Airlines
Deal found 3/23![United Airlines logo]()
$168
This Delta deal was found by Cheapflights users on 3/22. 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 5/2712:12 pm
SJC
- YYZ
1 stop8h 46m
Delta
Deal found 3/22![Delta logo]()
$170
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 7/86:30 am
SJC
- YYZ
1 stop8h 26m
United Airlines
Deal found 3/19![United Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 3/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:10 am
SJC
- YYZ
2 stops13h 45m
American Airlines
Deal found 3/20![American Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 3/19. 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.
Thu 7/167:15 am
SJC
- YYZ
1 stop11h 45m
Delta
Deal found 3/19![Delta logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 4/78:00 am
SJC
- YYZ
1 stop28h 45m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 3/18. 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.
Mon 4/610:50 pm
SJC
- YYZ
2 stops13h 18m
Delta
Deal found 3/18![Delta logo]()
$186
This FlightHub deal was found by Cheapflights users on 3/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:30 am
SJC
- YYZ
2 stops15h 15m
WestJet
Deal found 3/20![WestJet logo]()
$187
This Delta deal was found by Cheapflights users on 3/20. 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.
Sun 4/56:00 am
SJC
- YYZ
2 stops14h 06m
Delta
Deal found 3/20![Delta logo]()
$191
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:43 pm
SJC
- YYZ
1 stop17h 02m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/66:19 pm
SJC
- YOW
2 stops11h 52m
United Airlines
Deal found 3/23![United Airlines logo]()
$199
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 March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $346 (Kiwi.com) |
One-way from | $144 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $452 |
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 March 23, 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
Mon 4/13
11:00 pm-12:19 pm
1 stop10h 19m
Toronto Pearson Intl
Mon 4/20
11:30 am-9:45 pm
1 stop13h 15m
$398
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Mon 5/11
6:19 pm-3:14 pm
1 stop17h 55m
Toronto Pearson Intl
Thu 6/11
10:45 am-5:34 pm
1 stop9h 49m
$398
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sun 5/31
11:00 pm-8:59 am
1 stop6h 59m
Toronto Pearson Intl
Wed 6/3
6:30 am-12:18 pm
1 stop8h 48m
$398
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sun 6/28
10:56 pm-1:25 pm
1 stop11h 29m
Toronto Pearson Intl
Wed 7/8
2:15 pm-9:48 pm
1 stop10h 33m
$407
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Tue 6/23
6:35 am-9:59 pm
1 stop12h 24m
Toronto Pearson Intl
Wed 7/1
5:45 pm-11:39 pm
1 stop8h 54m
$407
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Mon 5/11
12:12 pm-11:58 pm
1 stop8h 46m
Toronto Pearson Intl
Sat 5/16
6:30 am-5:02 pm
2 stops13h 32m
$408
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Wed 4/15
8:20 pm-8:56 am
2 stops9h 36m
Toronto Pearson Intl
Sun 4/19
6:15 am-12:21 pm
1 stop9h 06m
$408
San JoseOttawa
SJC - YOW
SJCYOW
San Jose
Mon 5/4
6:19 pm-2:22 pm
2 stops17h 03m
Ottawa
Thu 5/7
5:25 pm-10:46 pm
1 stop8h 21m
$455
San JoseOttawa
SJC - YOW
SJCYOW
San Jose
Wed 5/6
6:19 pm-9:11 am
2 stops11h 52m
Ottawa
Wed 5/13
10:44 am-6:31 pm
1 stop10h 47m
$512
San JoseOttawa
SJC - YOW
SJCYOW
San Jose
Tue 5/5
2:46 pm-4:38 pm
2 stops22h 52m
Ottawa
Tue 5/12
10:44 am-6:31 pm
1 stop10h 47m
$550
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-YOW
SJC-YTZ
SJC-YUL
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-YOW
SJC-YTZ
SJC-YUL
What is the cheapest month to book a flight from San Jose, California to Region of Ontario?
Currently, February is the cheapest month in which you can book a flight from San Jose, California to Region of Ontario (average of $126). Flying from San Jose, California to Region of Ontario in January is currently the most expensive (average of $221). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 23, 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.
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
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 March 23, 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 4 airlines flying from San Jose to Ontario
Discover the top 4 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$487 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$469 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$389 | Average$562 | FlexibilityNo cancel fee | On-time71% |