$191+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — YYZ
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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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 May 7, 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 May 7, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/287:10 am
SJC
- YYZ
1 stop11h 45m
Delta
Tue 6/96:30 am
YYZ
- SJC
1 stop8h 35m
Delta
Deal found 5/5![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 5/5. 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.
Sat 5/236:00 am
SJC
- YYZ
2 stops14h 14m
Delta
Wed 6/31:34 pm
YYZ
- SJC
1 stop12h 21m
Delta
Deal found 5/5![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 5/7. 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.
Sun 7/196:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Thu 7/301:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 5/7![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 5/5. 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 5/258:45 am
SJC
- YYZ
1 stop9h 47m
United Airlines
Tue 6/94:18 pm
YYZ
- SJC
1 stop7h 51m
United Airlines
Deal found 5/5![United Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 5/6. 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.
Wed 6/1012:46 pm
SJC
- YYZ
1 stop8h 12m
Delta
Fri 7/101:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 5/6![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 5/5. 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 6/166:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Thu 7/911:40 am
YYZ
- SJC
1 stop10h 12m
Delta
Deal found 5/5![Delta logo]()
$458
This Delta deal was found by Cheapflights users on 5/7. 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.
Sun 7/196:35 am
SJC
- YYZ
1 stop12h 26m
Delta
Wed 7/296:30 am
YYZ
- SJC
2 stops13h 42m
Delta
Deal found 5/7![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/2412:46 pm
SJC
- YYZ
1 stop8h 12m
Delta
Thu 7/91:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 5/3![Delta logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:17 am
SJC
- YYZ
2 stops13h 28m
Multiple Airlines
Sun 7/128:30 pm
YYZ
- SJC
1 stop19h 47m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 5/6. 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 6/296:00 am
SJC
- YYZ
2 stops14h 14m
Delta
Wed 7/154:10 pm
YYZ
- SJC
2 stops10h 29m
Delta
Deal found 5/6![Delta logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:37 pm
SJC
- YYZ
2 stops27h 28m
Multiple Airlines
Sun 7/268:30 pm
YYZ
- SJC
1 stop19h 47m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/306:20 am
SJC
- YYZ
2 stops13h 39m
Delta
Fri 6/52:20 pm
YYZ
- SJC
2 stops10h 54m
Delta
Deal found 5/4![Delta logo]()
$471
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 May 7, 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 May 7, 2026.
This Delta deal was found by Cheapflights users on 5/7. 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.
Sun 5/3112:12 pm
SJC
- YYZ
1 stop8h 46m
Delta
Wed 6/32:20 pm
YYZ
- SJC
2 stops11h 35m
Delta
Deal found 5/7![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/256:30 am
SJC
- YTZ
1 stop7h 11m
United Airlines
Sat 8/2912:15 pm
YTZ
- SJC
2 stops11h 55m
United Airlines
Deal found 5/3![United Airlines logo]()
$569
This Air Canada deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/291:00 pm
SJC
- YAM
2 stops18h 05m
Air Canada
Tue 9/15:30 am
YAM
- SJC
2 stops15h 00m
Air Canada
Deal found 5/2![Air Canada logo]()
$698
This Mytrip deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/159:54 am
SJC
- YOW
2 stops24h 04m
Multiple Airlines
Fri 6/194:15 pm
YOW
- SJC
3 stops25h 04m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$838
This oojo deal was found by Cheapflights users on 5/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:33 am
SJC
- YUL
2 stops16h 32m
WestJet
Mon 7/137:15 am
YUL
- SJC
2 stops12h 57m
WestJet
Deal found 5/6![WestJet logo]()
$845
This Delta deal was found by Cheapflights users on 5/6. 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 6/126:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Sat 7/116:10 am
YYZ
- SJC
2 stops14h 02m
Delta
Deal found 5/6![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/116:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Sat 7/46:30 am
YYZ
- SJC
2 stops16h 31m
Delta
Deal found 5/3![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/266:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Tue 7/76:10 am
YYZ
- SJC
2 stops12h 36m
Delta
Deal found 5/3![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 9/226:30 am
SJC
- YOW
1 stop7h 37m
United Airlines
Wed 9/236:25 am
YOW
- SJC
1 stop8h 00m
United Airlines
Deal found 5/4![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 5/5. 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 6/176:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Mon 7/66:30 am
YYZ
- SJC
2 stops13h 47m
Delta
Deal found 5/5![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/246:37 pm
SJC
- YOW
2 stops11h 34m
United Airlines
Sat 5/306:25 am
YOW
- SJC
2 stops14h 05m
United Airlines
Deal found 5/4![United Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 5/5. 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.
Mon 10/1210:20 pm
SJC
- YYZ
1 stop9h 04m
Delta
Wed 10/216:15 am
YYZ
- SJC
1 stop8h 41m
Delta
Deal found 5/5![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 5/5. 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 6/56:37 pm
SJC
- YTZ
2 stops21h 05m
United Airlines
Mon 6/82:55 pm
YTZ
- SJC
2 stops24h 08m
United Airlines
Deal found 5/5![United Airlines logo]()
$647
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/166:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Sat 7/46:30 am
YYZ
- SJC
2 stops14h 33m
Delta
Deal found 5/3![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/19:53 am
SJC
- YYZ
2 stops10h 06m
Delta
Mon 6/812:25 pm
YYZ
- SJC
1 stop11h 14m
Delta
Deal found 5/2![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:37 pm
SJC
- YOW
2 stops12h 26m
United Airlines
Fri 6/196:25 am
YOW
- SJC
2 stops14h 09m
United Airlines
Deal found 5/3![United Airlines logo]()
$667
This Air Canada deal was found by Cheapflights users on 5/5. 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.
Sat 7/46:30 am
SJC
- YTZ
1 stop24h 36m
Multiple Airlines
Thu 7/912:15 pm
YTZ
- SJC
1 stop13h 25m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$958
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/286:00 am
SJC
- YYZ
1 stop7h 35m
Delta
Sat 7/411:38 am
YYZ
- SJC
1 stop13h 04m
Delta
Deal found 5/3![Delta logo]()
$493
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/36:37 pm
SJC
- YOW
2 stops11h 34m
United Airlines
Wed 6/106:25 am
YOW
- SJC
2 stops17h 44m
United Airlines
Deal found 5/6![United Airlines logo]()
$700
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/212:59 pm
SJC
- YXU
2 stops35h 21m
WestJet
Sun 6/282:40 pm
YXU
- SJC
3 stops28h 13m
WestJet
Deal found 5/6![WestJet logo]()
$1,034
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:20 am
SJC
- YHM
2 stops12h 53m
Multiple Airlines
Sun 7/268:35 pm
YHM
- SJC
2 stops22h 11m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$982
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/2810:00 pm
SJC
- YYZ
1 stop9h 19m
Delta
Mon 6/86:30 am
YYZ
- SJC
1 stop8h 35m
Delta
Deal found 5/5![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sun 6/216:37 pm
SJC
- YOW
2 stops11h 34m
United Airlines
Sun 6/285:20 pm
YOW
- SJC
2 stops23h 04m
United Airlines
Deal found 5/7![United Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 5/6. 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 6/76:12 pm
SJC
- YYZ
2 stops15h 13m
Delta
Mon 7/66:30 am
YYZ
- SJC
2 stops13h 47m
Delta
Deal found 5/6![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/126:37 pm
SJC
- YTZ
2 stops21h 05m
United Airlines
Fri 7/312:15 pm
YTZ
- SJC
1 stop13h 25m
United Airlines
Deal found 5/3![United Airlines logo]()
$701
This Mytrip deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/257:20 am
SJC
- YHM
2 stops12h 53m
Multiple Airlines
Mon 6/296:55 pm
YHM
- SJC
3 stops22h 24m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,047
This Justfly.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Thu 5/219:53 am
SJC
- YHM
2 stops28h 22m
WestJet
Tue 5/266:10 pm
YHM
- SJC
2 stops46h 59m
WestJet
Deal found 5/3![WestJet logo]()
$1,215
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/126:37 pm
SJC
- YTZ
2 stops21h 05m
United Airlines
Thu 7/212:15 pm
YTZ
- SJC
1 stop13h 25m
United Airlines
Deal found 5/3![United Airlines logo]()
$701
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:20 am
SJC
- YHM
2 stops12h 53m
Multiple Airlines
Wed 7/86:15 am
YHM
- SJC
3 stops16h 17m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,091
This Justfly.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/229:53 am
SJC
- YHM
2 stops28h 22m
WestJet
Tue 5/266:10 pm
YHM
- SJC
2 stops46h 59m
WestJet
Deal found 5/3![WestJet logo]()
$1,215
Last-minute flights from San Jose to OntarioDiscover last-minute flight deals from San Jose to Ontario. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Ontario. Data last updated May 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/5. 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.
Sat 5/236:00 am
SJC
- YYZ
2 stops14h 14m
Delta
Fri 6/512:29 pm
YYZ
- SJC
1 stop11h 09m
Delta
Deal found 5/5![Delta logo]()
$450
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/246:37 pm
SJC
- YOW
2 stops11h 34m
United Airlines
Sat 5/305:25 pm
YOW
- SJC
1 stop8h 10m
United Airlines
Deal found 5/4![United Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 5/5. 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 5/258:45 am
SJC
- YYZ
1 stop9h 47m
United Airlines
Thu 6/410:45 am
YYZ
- SJC
1 stop9h 49m
United Airlines
Deal found 5/5![United Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 5/5. 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 5/2712:12 pm
SJC
- YYZ
1 stop8h 46m
Delta
Sat 6/65:45 pm
YYZ
- SJC
1 stop6h 56m
Delta
Deal found 5/5![Delta logo]()
$452
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/287:10 am
SJC
- YYZ
1 stop11h 45m
Delta
Wed 6/35:45 pm
YYZ
- SJC
1 stop8h 56m
Delta
Deal found 5/5![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 5/5. 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 5/294:59 pm
SJC
- YYZ
2 stops14h 20m
Delta
Fri 6/126:30 am
YYZ
- SJC
2 stops13h 47m
Delta
Deal found 5/5![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/306:20 am
SJC
- YYZ
2 stops13h 39m
Delta
Fri 6/52:20 pm
YYZ
- SJC
2 stops10h 54m
Delta
Deal found 5/4![Delta logo]()
$471
This Delta deal was found by Cheapflights users on 5/6. 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.
Wed 6/1012:46 pm
SJC
- YYZ
1 stop8h 12m
Delta
Fri 7/101:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 5/6![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 5/5. 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 6/166:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Thu 7/911:40 am
YYZ
- SJC
1 stop10h 12m
Delta
Deal found 5/5![Delta logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:17 am
SJC
- YYZ
2 stops13h 28m
Multiple Airlines
Sun 7/128:30 pm
YYZ
- SJC
1 stop19h 47m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/2412:46 pm
SJC
- YYZ
1 stop8h 12m
Delta
Thu 7/91:38 pm
YYZ
- SJC
1 stop12h 11m
Delta
Deal found 5/3![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 5/7. 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 6/296:00 am
SJC
- YYZ
2 stops14h 14m
Delta
Tue 7/1412:25 pm
YYZ
- SJC
1 stop11h 10m
Delta
Deal found 5/7![Delta logo]()
$462
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 May 7, 2026.
Search for one-way flight options from San Jose to Ontario. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/277:24 pm
SJC
- YYZ
2 stops12h 35m
American Airlines
Deal found 5/3![American Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 5/7. 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 5/2610:00 pm
SJC
- YYZ
1 stop11h 19m
Delta
Deal found 5/7![Delta logo]()
$197
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 5/292:34 pm
SJC
- YYZ
1 stop20h 23m
American Airlines
Deal found 5/5![American Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/272:34 pm
SJC
- YYZ
3 stops30h 25m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$200
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 6/236:00 am
SJC
- YYZ
2 stops14h 14m
Delta
Deal found 5/6![Delta logo]()
$202
This Delta deal was found by Cheapflights users on 5/7. 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.
Wed 6/106:20 am
SJC
- YYZ
2 stops13h 42m
Delta
Deal found 5/7![Delta logo]()
$208
This Delta deal was found by Cheapflights users on 5/5. 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 6/176:00 am
SJC
- YYZ
2 stops14h 14m
Delta
Deal found 5/5![Delta logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/2712:57 pm
SJC
- YUL
2 stops15h 08m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$215
This Delta deal was found by Cheapflights users on 5/6. 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 6/196:35 am
SJC
- YYZ
1 stop12h 24m
Delta
Deal found 5/6![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/98:45 am
SJC
- YYZ
2 stops12h 14m
United Airlines
Deal found 5/3![United Airlines logo]()
$218
This oojo deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:15 am
SJC
- YYZ
2 stops11h 00m
WestJet
Deal found 5/2![WestJet logo]()
$219
This Delta deal was found by Cheapflights users on 5/6. 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.
Thu 6/184:35 pm
SJC
- YYZ
2 stops16h 50m
Delta
Deal found 5/6![Delta logo]()
$222
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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $445 (Delta) |
One-way from | $191 (American Airlines) |
Popular in | August |
Cheapest in | April |
Average price | $385 |
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 May 7, 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
Sun 5/31
12:12 pm-11:58 pm
1 stop8h 46m
Toronto Pearson Intl
Wed 6/3
2:20 pm-10:55 pm
2 stops11h 35m
$462
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Fri 6/12
6:35 am-9:59 pm
1 stop12h 24m
Toronto Pearson Intl
Sat 7/11
6:10 am-5:12 pm
2 stops14h 02m
$467
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Thu 6/11
6:35 am-9:59 pm
1 stop12h 24m
Toronto Pearson Intl
Sat 7/4
6:30 am-8:01 pm
2 stops16h 31m
$473
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Fri 6/26
6:35 am-9:59 pm
1 stop12h 24m
Toronto Pearson Intl
Tue 7/7
6:10 am-3:46 pm
2 stops12h 36m
$473
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Wed 6/17
6:35 am-9:59 pm
1 stop12h 24m
Toronto Pearson Intl
Mon 7/6
6:30 am-5:17 pm
2 stops13h 47m
$473
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Mon 10/12
10:20 pm-10:24 am
1 stop9h 04m
Toronto Pearson Intl
Wed 10/21
6:15 am-11:56 am
1 stop8h 41m
$484
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Tue 6/16
6:35 am-9:59 pm
1 stop12h 24m
Toronto Pearson Intl
Sat 7/4
6:30 am-6:03 pm
2 stops14h 33m
$488
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Mon 6/1
9:53 am-10:59 pm
2 stops10h 06m
Toronto Pearson Intl
Mon 6/8
12:25 pm-8:39 pm
1 stop11h 14m
$488
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Sun 6/28
6:00 am-4:35 pm
1 stop7h 35m
Toronto Pearson Intl
Sat 7/4
11:38 am-9:42 pm
1 stop13h 04m
$493
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Thu 5/28
10:00 pm-10:19 am
1 stop9h 19m
Toronto Pearson Intl
Mon 6/8
6:30 am-12:05 pm
1 stop8h 35m
$507
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-YUL
SJC-YHM
SJC-YTZ
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-YUL
SJC-YHM
What is the cheapest month to book a flight from San Jose, California to Region of Ontario?
Currently, June is the cheapest month in which you can book a flight from San Jose, California to Region of Ontario (average of $142). Flying from San Jose, California to Region of Ontario in January is currently the most expensive (average of $505). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Jose, California to Region of Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 7, 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
7.9
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Overall
7.9
Crew
8.5
Food
7.2
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 May 7, 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$491 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$712 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$389 | Average$575 | FlexibilityNo cancel fee | On-time71% |