$165+ Cheap flights from San Jose, CA (SJC) to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from San Jose to Ontario with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 September 13, 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 September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/147:39 am -
1 stop20h 11m
Tue 1/59:35 am -
2 stops12h 13m
Deal found 9/10![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/92:41 pm -
2 stops25h 39m
Thu 11/129:55 am -
1 stop13h 17m
Deal found 9/10![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/147:39 am -
1 stop11h 11m
Sat 1/99:35 am -
2 stops12h 13m
Deal found 9/10![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:02 pm -
1 stop30h 37m
Thu 10/1512:40 pm -
2 stops27h 40m
Deal found 9/11![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/147:39 am -
1 stop20h 11m
Thu 1/710:20 pm -
2 stops18h 49m
Deal found 9/10![Multiple Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 9/9. 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 10/612:57 pm -
1 stop8h 02m
Fri 10/1611:38 am -
1 stop10h 22m
Deal found 9/9![Delta logo]()
$415
This Travelocity deal was found by Cheapflights users on 9/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:43 pm -
1 stop17h 22m
Mon 11/237:30 am -
2 stops17h 42m
Deal found 9/8![Multiple Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/266:30 am -
1 stop8h 26m
Fri 10/24:18 pm -
1 stop7h 40m
Deal found 9/9![United Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/147:39 am -
1 stop20h 11m
Mon 1/410:20 pm -
2 stops19h 32m
Deal found 9/10![Multiple Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 10/712:57 pm -
1 stop8h 02m
Sun 10/1111:38 am -
1 stop12h 47m
Deal found 9/13![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:40 am -
1 stop12h 19m
Sun 10/411:38 am -
1 stop12h 44m
Deal found 9/11![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 9/8. 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 11/181:00 pm -
1 stop7h 56m
Sat 11/217:10 am -
2 stops18h 02m
Deal found 9/8![Delta logo]()
$515
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 September 13, 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 September 13, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 10/71:34 pm -
1 stop6h 41m
Thu 10/2211:38 am -
1 stop10h 22m
Deal found 9/9![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/208:45 am -
2 stops12h 14m
Wed 10/217:43 pm -
2 stops16h 56m
Deal found 9/9![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/9. 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 9/266:19 pm -
2 stops11h 34m
Fri 10/21:34 pm -
1 stop10h 48m
Deal found 9/9![Delta logo]()
$433
This Air Canada deal was found by Cheapflights users on 9/8. 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 1/119:00 am -
2 stops21h 55m
Thu 1/1410:35 am -
2 stops13h 36m
Deal found 9/8![Air Canada logo]()
$882
This Gotogate deal was found by Cheapflights users on 9/8. 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.
Wed 11/188:03 am -
2 stops12h 49m
Mon 11/237:05 am -
2 stops13h 57m
Deal found 9/8![Multiple Airlines logo]()
$949
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:14 pm -
1 stop6h 45m
Tue 11/33:35 pm -
1 stop10h 24m
Deal found 9/12![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 9/9. 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 10/246:30 am -
1 stop7h 48m
Sat 10/3111:38 am -
1 stop12h 47m
Deal found 9/9![Delta logo]()
$442
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:57 pm -
1 stop8h 02m
Fri 10/2311:38 am -
1 stop12h 47m
Deal found 9/11![Delta logo]()
$445
This oojo deal was found by Cheapflights users on 9/13. 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 11/217:00 am -
2 stops28h 25m
Tue 11/243:25 pm -
2 stops25h 51m
Deal found 9/13![WestJet logo]()
$1,095
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/206:30 am -
1 stop7h 18m
Wed 10/2112:15 pm -
2 stops24h 24m
Deal found 9/8![United Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 9/10. 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 10/116:30 am -
1 stop12h 29m
Wed 10/1411:38 am -
1 stop12h 47m
Deal found 9/10![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 9/9. 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 10/236:34 pm -
2 stops12h 49m
Fri 10/3012:10 pm -
2 stops12h 45m
Deal found 9/9![Delta logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/206:30 am -
1 stop8h 00m
Wed 10/216:10 am -
1 stop8h 51m
Deal found 9/9![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:53 pm -
2 stops11h 42m
Tue 9/2911:38 am -
2 stops13h 28m
Deal found 9/11![Delta logo]()
$460
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:30 am -
1 stop8h 00m
Wed 9/304:55 pm -
1 stop8h 47m
Deal found 9/11![United Airlines logo]()
$605
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop7h 44m
Sun 10/256:15 am -
1 stop8h 29m
Deal found 9/12![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:30 am -
1 stop8h 00m
Tue 9/294:55 pm -
1 stop8h 47m
Deal found 9/11![United Airlines logo]()
$633
This Air Canada deal was found by Cheapflights users on 9/8. 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 11/98:45 am -
2 stops28h 13m
Thu 11/125:30 am -
2 stops12h 38m
Deal found 9/8![Air Canada logo]()
$1,013
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/236:30 am -
1 stop7h 12m
Wed 9/237:35 pm -
2 stops20h 36m
Deal found 9/9![United Airlines logo]()
$689
This oojo deal was found by Cheapflights users on 9/10. 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.
Fri 9/257:25 am -
2 stops28h 45m
Mon 9/284:00 pm -
2 stops26h 44m
Deal found 9/10![WestJet logo]()
$1,147
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 10/301:34 pm -
1 stop6h 48m
Tue 11/37:00 am -
2 stops15h 52m
Deal found 9/13![Delta logo]()
$642
This United Airlines deal was found by Cheapflights users on 9/9. 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 2/224:00 pm -
2 stops20h 12m
Thu 2/254:36 pm -
1 stop9h 00m
Deal found 9/9![United Airlines logo]()
$764
This Delta deal was found by Cheapflights users on 9/9. 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 10/510:50 pm -
1 stop9h 48m
Thu 10/159:30 am -
2 stops14h 55m
Deal found 9/9![Delta logo]()
$649
This Air Canada deal was found by Cheapflights users on 9/10. 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 9/242:08 pm -
2 stops22h 14m
Sun 9/274:05 pm -
2 stops28h 27m
Deal found 9/10![Multiple Airlines logo]()
$1,415
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:58 am -
2 stops28h 17m
Tue 10/136:10 pm -
2 stops31h 50m
Deal found 9/13![WestJet logo]()
$1,303
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
1 stop11h 46m
Tue 11/34:46 pm -
1 stop9h 13m
Deal found 9/12![United Airlines logo]()
$776
This Delta deal was found by Cheapflights users on 9/9. 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 10/86:34 pm -
2 stops14h 23m
Thu 10/157:00 am -
2 stops15h 52m
Deal found 9/9![Delta logo]()
$654
This oojo deal was found by Cheapflights users on 9/8. 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 12/191:59 pm -
2 stops21h 26m
Tue 12/223:25 pm -
2 stops28h 53m
Deal found 9/8![WestJet logo]()
$1,362
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:45 am -
2 stops21h 26m
Fri 10/235:20 pm -
2 stops22h 51m
Deal found 9/11![United Airlines logo]()
$791
This WestJet deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:59 pm -
2 stops21h 26m
Sun 11/13:25 pm -
2 stops25h 48m
Deal found 9/11![WestJet logo]()
$1,457
Last-minute flights from San Jose to OntarioDiscover last-minute flight deals from San Jose to Ontario. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Ontario. Data last updated September 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/266:30 am -
1 stop8h 26m
Fri 10/24:18 pm -
1 stop7h 40m
Deal found 9/9![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/262:08 pm -
1 stop6h 51m
Sat 10/311:00 am -
2 stops12h 48m
Deal found 9/9![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/266:30 am -
1 stop7h 12m
Fri 10/212:15 pm -
1 stop13h 27m
Deal found 9/9![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:40 am -
1 stop12h 19m
Sun 10/411:38 am -
1 stop12h 44m
Deal found 9/11![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 9/9. 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 10/612:57 pm -
1 stop8h 02m
Fri 10/1611:38 am -
1 stop10h 22m
Deal found 9/9![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 10/712:57 pm -
1 stop8h 02m
Sun 10/1111:38 am -
1 stop12h 47m
Deal found 9/13![Delta logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:02 pm -
1 stop30h 37m
Thu 10/1512:40 pm -
2 stops27h 40m
Deal found 9/11![Multiple Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 9/9. 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 10/1210:45 pm -
1 stop8h 38m
Mon 10/265:49 pm -
1 stop9h 01m
Deal found 9/9![Delta logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:15 pm -
2 stops13h 24m
Thu 10/1511:05 am -
1 stop12h 02m
Deal found 9/11![Multiple Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/208:45 am -
2 stops12h 14m
Wed 10/217:43 pm -
2 stops16h 56m
Deal found 9/9![United Airlines logo]()
$439
This lastminute.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
2 stops15h 05m
Sat 10/319:35 am -
2 stops13h 17m
Deal found 9/11![WestJet logo]()
$440
This Delta deal was found by Cheapflights users on 9/9. 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 10/2412:57 pm -
1 stop7h 57m
Sat 10/317:00 am -
2 stops16h 09m
Deal found 9/9![Delta logo]()
$516
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 September 13, 2026.
Search for one-way flight options from San Jose to Ontario. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Trip.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/611:12 am -
2 stops15h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/222:15 pm -
3 stops37h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 9/8. 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 10/106:30 am -
1 stop7h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$174
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
2 stops13h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 9/8. 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 10/910:45 pm -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:15 pm -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/122:15 pm -
2 stops13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 9/10. 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 10/712:57 pm -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/117:31 am -
2 stops12h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$199
This FlightHub deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:52 am -
2 stops18h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![WestJet logo]()
$201
This Delta deal was found by Cheapflights users on 9/9. 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 11/131:00 pm -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/262:15 pm -
3 stops29h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$212
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $389 (Kiwi.com) |
One-way from | $165 (Trip.com) |
Popular in | August |
Cheapest in | April |
Average price | $575 |
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 7,457,451 searches. Data last updated September 13, 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 JoseOttawa
SJC San Jose - YOW Ottawa
SJCYOW
San Jose
Tue 10/6
11:12 am-5:35 am
2 stops15h 23m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$165
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Sat 10/10
6:30 am-5:18 pm
1 stop7h 48m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$174
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Sun 10/11
6:30 am-5:56 pm
1 stop8h 26m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$183
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Tue 10/6
6:30 am-5:18 pm
1 stop7h 48m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$183
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Fri 10/9
8:32 pm-11:59 am
2 stops12h 27m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$188
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Fri 10/2
8:41 pm-11:25 am
2 stops11h 44m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$188
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Wed 10/7
12:57 pm-11:59 pm
1 stop8h 02m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$193
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Sat 12/12
1:05 pm-11:59 pm
1 stop7h 54m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$212
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Sat 1/2
1:59 pm-5:00 am
2 stops12h 01m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$219
San JoseToronto
SJC San Jose - YTZ Toronto Island
SJCYTZ
San Jose
Sat 10/24
6:30 am-4:48 pm
1 stop7h 18m
Toronto Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$220
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-YTZ
SJC-YOW
SJC-YXU
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-YTZ
SJC-YOW
What is the cheapest month to book a flight from San Jose, California to Region of Ontario?
Currently, May is the cheapest month in which you can book a flight from San Jose, California to Region of Ontario (average of $411). Flying from San Jose, California to Region of Ontario in April is currently the most expensive (average of $802). 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?
Airfare is below average for this route at the moment.
San Jose, California to Region of Ontario flights typically cost between $390 and $498 in December.The cheapest round-trip price found within the last 5 days was $389 on Multiple Airlines (Dec 14-Jan 5).
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 September 13, 2026.
Read through reviews of airlines operating flights from San Jose to Ontario, such as Delta,United Airlines, andAir Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
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
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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 September 13, 2026.
Popular flight searches
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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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$574 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$469 | Average$539 | FlexibilityNo cancel fee | On-time67% |