$153+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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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 August 10, 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 August 10, 2026.
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/16:10 am -
1 stop9h 24m
Tue 9/811:38 am -
1 stop12h 44m
Deal found 8/7![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/106:11 pm -
2 stops11h 38m
Wed 10/215:49 pm -
1 stop7h 06m
Deal found 8/7![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 8/8. 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.
Tue 10/137:00 am -
2 stops12h 56m
Tue 10/206:30 am -
1 stop9h 09m
Deal found 8/8![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/194:24 pm -
2 stops14h 59m
Fri 9/256:10 pm -
2 stops8h 30m
Deal found 8/7![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 9/116:40 am -
1 stop12h 19m
Sat 9/1911:38 am -
1 stop12h 44m
Deal found 8/10![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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
Sat 10/312:25 pm -
2 stops12h 41m
Deal found 8/7![Delta logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/2710:47 pm -
1 stop28h 52m
Sat 10/36:00 am -
2 stops12h 44m
Deal found 8/7![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 9/101:38 pm -
1 stop14h 01m
Sat 9/199:00 am -
2 stops13h 51m
Deal found 8/9![Multiple Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:12 pm -
2 stops13h 13m
Sat 12/56:15 am -
1 stop8h 35m
Deal found 8/7![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 8/9. 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 9/258:41 pm -
2 stops10h 42m
Tue 9/291:34 pm -
1 stop10h 48m
Deal found 8/9![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/188:41 pm -
2 stops10h 42m
Wed 9/306:00 am -
2 stops11h 14m
Deal found 8/6![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/1212:51 pm -
1 stop8h 08m
Thu 9/245:54 pm -
1 stop8h 46m
Deal found 8/6![Delta logo]()
$390
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 August 10, 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 August 10, 2026.
This Delta deal was found by Cheapflights users on 8/9. 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 9/126:40 am -
2 stops13h 19m
Sat 9/196:15 am -
2 stops12h 29m
Deal found 8/9![Delta logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 9/101:38 pm -
1 stop14h 01m
Sat 9/199:00 am -
2 stops13h 51m
Deal found 8/9![Multiple Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:37 pm -
2 stops11h 42m
Sat 9/194:18 pm -
1 stop7h 36m
Deal found 8/10![United Airlines logo]()
$400
This Air Canada deal was found by Cheapflights users on 8/8. 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 10/196:35 pm -
2 stops19h 07m
Thu 10/227:25 pm -
2 stops25h 07m
Deal found 8/8![Air Canada logo]()
$616
This Delta deal was found by Cheapflights users on 8/8. 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.
Tue 10/136:34 pm -
2 stops11h 15m
Wed 10/216:00 am -
2 stops13h 20m
Deal found 8/8![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/218:41 pm -
2 stops10h 42m
Tue 9/296:15 am -
1 stop8h 21m
Deal found 8/6![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:10 pm -
1 stop16h 57m
Sat 9/2612:15 pm -
1 stop13h 27m
Deal found 8/10![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:10 am -
1 stop9h 24m
Fri 9/2511:38 am -
1 stop10h 19m
Deal found 8/5![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 9/266:30 am -
1 stop7h 12m
Sat 10/312:15 pm -
1 stop13h 27m
Deal found 8/8![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 8/8. 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.
Tue 10/134:27 pm -
2 stops13h 22m
Mon 10/196:10 pm -
2 stops8h 40m
Deal found 8/8![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/126:30 am -
1 stop7h 12m
Sat 9/1912:15 pm -
1 stop13h 40m
Deal found 8/9![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/2312:32 pm -
1 stop8h 25m
Sat 8/296:10 am -
2 stops8h 55m
Deal found 8/6![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 -
2 stops19h 05m
Fri 9/2512:15 pm -
1 stop13h 27m
Deal found 8/5![United Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:12 pm -
2 stops14h 23m
Sun 9/2012:25 pm -
1 stop11h 16m
Deal found 8/5![Delta logo]()
$400
This WestJet deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/197:00 am -
2 stops31h 15m
Thu 10/226:10 pm -
2 stops31h 50m
Deal found 8/6![WestJet logo]()
$1,379
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/1810:50 pm -
1 stop8h 33m
Mon 9/287:45 am -
2 stops15h 06m
Deal found 8/6![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/146:30 am -
1 stop7h 12m
Sat 10/3112:10 pm -
1 stop13h 49m
Deal found 8/5![United Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 8/8. 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 10/166:34 pm -
2 stops11h 15m
Fri 10/236:00 am -
2 stops13h 20m
Deal found 8/8![Delta logo]()
$406
This Air Canada deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/196:35 pm -
2 stops24h 22m
Wed 10/215:30 am -
2 stops15h 02m
Deal found 8/5![Air Canada logo]()
$814
This Air Canada deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/52:10 pm -
2 stops22h 11m
Fri 9/1110:05 am -
2 stops13h 52m
Deal found 8/7![Multiple Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:30 am -
1 stop8h 00m
Sat 9/196:10 am -
1 stop8h 35m
Deal found 8/10![United Airlines logo]()
$538
This Air Canada deal was found by Cheapflights users on 8/10. 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 9/248:45 am -
2 stops21h 15m
Thu 10/18:05 pm -
2 stops24h 27m
Deal found 8/10![Air Canada logo]()
$873
This Delta deal was found by Cheapflights users on 8/8. 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 8/2912:46 pm -
1 stop8h 06m
Sat 9/52:46 pm -
1 stop9h 55m
Deal found 8/8![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/196:30 am -
1 stop8h 00m
Sat 9/269:45 am -
2 stops14h 03m
Deal found 8/5![United Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/1212:51 pm -
1 stop7h 59m
Sat 9/196:00 am -
2 stops16h 51m
Deal found 8/10![Delta logo]()
$472
This Air Canada deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/196:35 pm -
2 stops21h 42m
Thu 10/228:05 pm -
2 stops24h 27m
Deal found 8/5![Air Canada logo]()
$931
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:10 pm -
1 stop17h 30m
Mon 8/314:55 pm -
1 stop8h 55m
Deal found 8/5![United Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 8/9. 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 8/2612:37 pm -
1 stop8h 15m
Wed 9/29:30 am -
2 stops15h 11m
Deal found 8/9![Delta logo]()
$472
This Booking.com deal was found by Cheapflights users on 8/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:44 pm -
2 stops14h 26m
Sun 9/67:25 am -
2 stops12h 31m
Deal found 8/9![Multiple Airlines logo]()
$1,205
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/296:00 am -
2 stops14h 40m
Wed 9/27:00 am -
1 stop8h 27m
Deal found 8/7![Delta logo]()
$472
Last-minute flights from San Jose to OntarioDiscover last-minute flight deals from San Jose to Ontario. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Ontario. Data last updated August 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/2912:46 pm -
1 stop8h 06m
Wed 9/27:00 am -
1 stop8h 27m
Deal found 8/7![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:12 pm -
2 stops13h 13m
Sat 12/56:15 am -
1 stop8h 35m
Deal found 8/7![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/16:10 am -
1 stop9h 24m
Tue 9/811:38 am -
1 stop12h 44m
Deal found 8/7![Delta logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 9/101:38 pm -
1 stop14h 01m
Sat 9/199:00 am -
2 stops13h 51m
Deal found 8/9![Multiple Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 9/116:40 am -
1 stop12h 19m
Sat 9/1911:38 am -
1 stop12h 44m
Deal found 8/10![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/1212:51 pm -
1 stop8h 08m
Wed 9/1612:25 pm -
1 stop11h 16m
Deal found 8/6![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/126:30 am -
1 stop7h 12m
Sat 9/1912:15 pm -
1 stop13h 40m
Deal found 8/6![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/188:41 pm -
2 stops10h 42m
Thu 10/12:24 pm -
2 stops10h 42m
Deal found 8/6![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/194:24 pm -
2 stops14h 59m
Fri 9/255:54 pm -
1 stop8h 46m
Deal found 8/7![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 8/9. 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 9/258:41 pm -
2 stops10h 42m
Tue 9/291:34 pm -
1 stop10h 48m
Deal found 8/9![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 8/8. 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 9/267:00 am -
2 stops13h 13m
Sat 10/311:38 am -
1 stop12h 44m
Deal found 8/8![Delta logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/2710:47 pm -
1 stop28h 52m
Sat 10/36:00 am -
2 stops12h 44m
Deal found 8/7![Multiple Airlines logo]()
$380
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 August 10, 2026.
Search for one-way flight options from San Jose to Ontario. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Delta deal was found by Cheapflights users on 8/8. 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.
Tue 9/16:10 am -
1 stop9h 24m
Deal found 8/8![Delta logo]()
$153
This American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
2 stops14h 26m
Deal found 8/7![American Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/232:10 pm -
1 stop6h 49m
Deal found 8/5![United Airlines logo]()
$165
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/96:35 pm -
1 stop17h 39m
Deal found 8/7![United Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/236:00 am -
2 stops14h 00m
Deal found 8/5![American Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
2 stops14h 02m
Deal found 8/5![American Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 8/9. 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 9/1810:50 pm -
2 stops9h 28m
Deal found 8/9![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 8/9. 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 1/87:00 am -
2 stops13h 13m
Deal found 8/9![Delta logo]()
$175
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/106:00 am -
1 stop8h 24m
Deal found 8/5![American Airlines logo]()
$182
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/26:40 am -
1 stop12h 19m
Deal found 8/5![Delta logo]()
$185
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Sat 1/99:00 am -
1 stop6h 37m
Deal found 8/10![Air Canada logo]()
$187
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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
Deal found 8/6![United Airlines logo]()
$205
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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (Delta) |
One-way from | $153 (Delta) |
Popular in | August |
Cheapest in | April |
Average price | $592 |
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 August 10, 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 San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Sat 9/12
6:40 am-10:59 pm
2 stops13h 19m
Toronto Pearson Intl
Sat 9/19
6:15 am-3:44 pm
2 stops12h 29m
$378
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Tue 10/13
6:34 pm-8:49 am
2 stops11h 15m
Toronto Pearson Intl
Wed 10/21
6:00 am-4:20 pm
2 stops13h 20m
$378
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Thu 9/10
1:38 pm-6:39 am
1 stop14h 01m
Toronto Pearson Intl
Sat 9/19
9:00 am-7:51 pm
2 stops13h 51m
$383
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Mon 9/21
8:41 pm-10:23 am
2 stops10h 42m
Toronto Pearson Intl
Tue 9/29
6:15 am-11:36 am
1 stop8h 21m
$388
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Tue 8/25
6:10 am-6:34 pm
1 stop9h 24m
Toronto Pearson Intl
Fri 9/25
11:38 am-6:57 pm
1 stop10h 19m
$390
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Tue 10/13
4:27 pm-8:49 am
2 stops13h 22m
Toronto Pearson Intl
Mon 10/19
6:10 pm-11:50 pm
2 stops8h 40m
$392
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Fri 9/18
6:37 pm-9:19 am
2 stops11h 42m
Toronto Pearson Intl
Sat 9/19
4:18 pm-8:54 pm
1 stop7h 36m
$400
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Sun 8/23
12:32 pm-11:57 pm
1 stop8h 25m
Toronto Pearson Intl
Sat 8/29
6:10 am-12:05 pm
2 stops8h 55m
$400
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Fri 8/21
6:12 pm-11:35 am
2 stops14h 23m
Toronto Pearson Intl
Sun 9/20
12:25 pm-8:41 pm
1 stop11h 16m
$400
San JoseToronto
SJC San Jose - YYZ Toronto Pearson Intl
SJCYYZ
San Jose
Fri 9/18
10:50 pm-10:23 am
1 stop8h 33m
Toronto Pearson Intl
Mon 9/28
7:45 am-7:51 pm
2 stops15h 06m
$400
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-YTZ
SJC-YUL
SJC-YOW
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-YTZ
SJC-YUL
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 $575 in September.The cheapest round-trip price found within the last 5 days was $363 on Delta (Sep 1-Sep 8).
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 August 10, 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.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
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 August 10, 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 2,558,603 searches. Data last updated August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$778 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$207 | Average$580 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$387 | Average$580 | FlexibilityNo cancel fee | On-time71% |