$118+ Cheap flights from New Jersey to Ontario (ONT)
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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ONT
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from New Jersey to Ontario with Cheapflights
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Cheapest flights from New Jersey to OntarioExplore the most affordable flight options available from New Jersey to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
Explore the most affordable flight options available from New Jersey to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
This Super.com deal was found by Cheapflights users on 7/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Tue 8/118:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/4![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
PHL
- ONT
1 stop10h 54m
Frontier
Tue 8/253:40 pm
ONT
- PHL
1 stop11h 50m
Frontier
Deal found 7/1![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Sat 8/154:09 pm
ONT
- PHL
1 stop10h 51m
Frontier
Deal found 7/3![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Wed 7/291:38 pm
ONT
- PHL
1 stop13h 22m
Frontier
Deal found 7/1![Frontier logo]()
$244
This Super.com deal was found by Cheapflights users on 7/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:37 pm
PHL
- ONT
1 stop30h 13m
Frontier
Mon 9/142:55 pm
ONT
- PHL
1 stop11h 41m
Frontier
Deal found 7/5![Frontier logo]()
$246
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Thu 8/1310:49 am
ONT
- PHL
1 stop15h 50m
Frontier
Deal found 7/1![Frontier logo]()
$247
This Booking.com deal was found by Cheapflights users on 7/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Mon 8/108:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/4![Frontier logo]()
$248
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Tue 8/43:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Deal found 7/1![Frontier logo]()
$249
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Sat 8/811:47 am
ONT
- PHL
1 stop15h 13m
Frontier
Deal found 7/2![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Fri 8/78:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/2![Frontier logo]()
$251
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:37 pm
PHL
- ONT
1 stop30h 13m
Frontier
Mon 8/33:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Deal found 7/3![Frontier logo]()
$252
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:54 am
JFK
- ONT
1 stop9h 37m
American Airlines
Fri 9/118:25 am
ONT
- JFK
2 stops11h 18m
American Airlines
Deal found 7/2![American Airlines logo]()
$307
Best flights from New Jersey to OntarioDiscover carefully curated flight deals from New Jersey to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
Discover carefully curated flight deals from New Jersey to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
This Delta deal was found by Cheapflights users on 7/6. 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 8/276:00 am
LGA
- ONT
1 stop7h 42m
Delta
Sun 8/3010:00 pm
ONT
- LGA
1 stop8h 39m
Delta
Deal found 7/6![Delta logo]()
$313
This JetBlue deal was found by Cheapflights users on 7/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:50 pm
JFK
- ONT
Nonstop6h 09m
JetBlue
Mon 8/3111:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 7/4![JetBlue logo]()
$327
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:30 pm
LGA
- ONT
2 stops9h 55m
Southwest
Tue 8/187:25 am
ONT
- LGA
1 stop12h 35m
Southwest
Deal found 7/4![Southwest logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:25 am
JFK
- ONT
1 stop9h 51m
Alaska Airlines
Sat 9/267:12 am
ONT
- JFK
1 stop9h 15m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/187:30 am
EWR
- ONT
2 stops13h 45m
American Airlines
Sun 8/238:01 pm
ONT
- EWR
1 stop6h 59m
American Airlines
Deal found 7/1![American Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 7/4. 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 7/286:00 am
PHL
- ONT
1 stop9h 12m
United Airlines
Wed 7/291:50 pm
ONT
- PHL
2 stops12h 41m
United Airlines
Deal found 7/4![United Airlines logo]()
$494
This JetBlue deal was found by Cheapflights users on 7/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Sat 8/2211:13 pm
ONT
- JFK
Nonstop5h 20m
JetBlue
Deal found 7/5![JetBlue logo]()
$342
This Delta deal was found by Cheapflights users on 7/3. 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 10/75:25 am
PHL
- ONT
1 stop8h 43m
Delta
Mon 10/1211:15 pm
ONT
- PHL
1 stop7h 14m
Delta
Deal found 7/3![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:30 am
LGA
- ONT
2 stops9h 55m
Southwest
Fri 8/148:10 am
ONT
- LGA
1 stop9h 45m
Southwest
Deal found 7/6![Southwest logo]()
$352
This JetBlue deal was found by Cheapflights users on 7/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Sun 8/2311:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 7/2![JetBlue logo]()
$342
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
LGA
- ONT
2 stops11h 15m
Southwest
Sun 8/3011:55 pm
ONT
- LGA
1 stop8h 30m
Southwest
Deal found 7/3![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 7/6. 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 7/216:00 am
LGA
- ONT
1 stop7h 38m
Delta
Mon 7/2711:48 am
ONT
- LGA
1 stop7h 39m
Delta
Deal found 7/6![Delta logo]()
$353
This JetBlue deal was found by Cheapflights users on 7/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:40 pm
JFK
- ONT
Nonstop6h 04m
JetBlue
Tue 9/811:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 7/5![JetBlue logo]()
$342
This Delta deal was found by Cheapflights users on 7/4. 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.
Fri 7/246:00 am
LGA
- ONT
1 stop7h 38m
Delta
Mon 7/2711:48 am
ONT
- LGA
1 stop7h 39m
Delta
Deal found 7/4![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 pm
LGA
- ONT
2 stops9h 10m
Southwest
Sun 11/16:50 am
ONT
- LGA
1 stop9h 30m
Southwest
Deal found 7/3![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:06 pm
PHL
- ONT
1 stop10h 47m
Alaska Airlines
Sun 10/256:02 am
ONT
- PHL
1 stop20h 38m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$467
This JetBlue deal was found by Cheapflights users on 7/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Sun 8/2311:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 7/4![JetBlue logo]()
$352
This Delta deal was found by Cheapflights users on 7/4. 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.
Tue 7/216:00 am
LGA
- ONT
1 stop7h 38m
Delta
Sun 7/2610:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Deal found 7/4![Delta logo]()
$353
This KAYAK deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:25 pm
JFK
- ONT
1 stop9h 34m
American Airlines
Wed 7/1510:25 am
ONT
- JFK
1 stop9h 05m
American Airlines
Deal found 7/1![American Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:10 am
PHL
- ONT
1 stop9h 10m
United Airlines
Tue 12/86:53 pm
ONT
- PHL
1 stop9h 52m
United Airlines
Deal found 7/2![United Airlines logo]()
$499
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
LGA
- ONT
2 stops9h 30m
Southwest
Wed 8/125:45 am
ONT
- LGA
2 stops8h 10m
Southwest
Deal found 7/6![Southwest logo]()
$376
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:25 pm
PHL
- ONT
1 stop10h 24m
Alaska Airlines
Sun 11/156:00 am
ONT
- PHL
1 stop31h 49m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$467
This JetBlue deal was found by Cheapflights users on 7/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Mon 8/2411:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 7/5![JetBlue logo]()
$352
This Delta deal was found by Cheapflights users on 7/5. 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 9/306:30 am
PHL
- ONT
1 stop7h 37m
Delta
Mon 10/55:15 pm
ONT
- PHL
1 stop9h 50m
Delta
Deal found 7/5![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
PHL
- ONT
1 stop9h 12m
United Airlines
Wed 7/291:50 pm
ONT
- PHL
2 stops12h 41m
United Airlines
Deal found 7/2![United Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 7/5. 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 9/297:20 am
PHL
- ONT
1 stop7h 54m
Delta
Sun 10/410:00 pm
ONT
- PHL
1 stop8h 28m
Delta
Deal found 7/5![Delta logo]()
$359
This JetBlue deal was found by Cheapflights users on 7/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:30 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Wed 8/1911:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 7/3![JetBlue logo]()
$367
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:05 pm
PHL
- ONT
2 stops8h 40m
Southwest
Tue 8/119:40 am
ONT
- PHL
2 stops9h 10m
Southwest
Deal found 7/4![Southwest logo]()
$419
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 8/224:55 pm
EWR
- ONT
1 stop8h 40m
United Airlines
Sun 8/306:00 am
ONT
- EWR
1 stop9h 31m
United Airlines
Deal found 7/3![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 7/5. 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 9/306:30 am
PHL
- ONT
1 stop7h 37m
Delta
Sun 10/410:00 pm
ONT
- PHL
1 stop8h 28m
Delta
Deal found 7/5![Delta logo]()
$359
Last-minute flights from New Jersey to OntarioDiscover last-minute flight deals from New Jersey to Ontario. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from New Jersey to Ontario. Data last updated July 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Thu 7/308:17 am
ONT
- PHL
1 stop13h 44m
Frontier
Deal found 7/1![Frontier logo]()
$244
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Tue 8/43:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Deal found 7/1![Frontier logo]()
$249
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:37 pm
PHL
- ONT
1 stop30h 13m
Frontier
Mon 8/33:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Deal found 7/3![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 7/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:37 pm
PHL
- ONT
1 stop30h 13m
Frontier
Sun 8/26:00 am
ONT
- PHL
1 stop26h 49m
Frontier
Deal found 7/4![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Fri 8/78:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/2![Frontier logo]()
$251
This Booking.com deal was found by Cheapflights users on 7/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Mon 8/108:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/4![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Sat 8/811:47 am
ONT
- PHL
1 stop15h 13m
Frontier
Deal found 7/2![Frontier logo]()
$250
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Thu 8/1310:49 am
ONT
- PHL
1 stop15h 50m
Frontier
Deal found 7/1![Frontier logo]()
$247
This Super.com deal was found by Cheapflights users on 7/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Tue 8/118:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/4![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Sat 8/154:09 pm
ONT
- PHL
1 stop10h 51m
Frontier
Deal found 7/3![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
PHL
- ONT
1 stop10h 54m
Frontier
Sat 8/293:40 pm
ONT
- PHL
1 stop11h 50m
Frontier
Deal found 7/1![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 7/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Wed 8/269:37 am
ONT
- LGA
1 stop9h 23m
Frontier
Deal found 7/2![Frontier logo]()
$310
One-way flights from New Jersey to OntarioSearch for one-way flight options from New Jersey to Ontario. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
Search for one-way flight options from New Jersey to Ontario. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Super.com deal was found by Cheapflights users on 7/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Deal found 7/5![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Deal found 7/2![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Deal found 7/1![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 7/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Deal found 7/4![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Deal found 7/2![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:37 pm
PHL
- ONT
1 stop30h 13m
Frontier
Deal found 7/2![Frontier logo]()
$126
This Booking.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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.
Wed 7/2212:44 pm
PHL
- ONT
1 stop24h 20m
Frontier
Deal found 7/1![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 7/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Deal found 7/3![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 7/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:44 pm
PHL
- ONT
1 stop14h 06m
Frontier
Deal found 7/6![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:37 pm
PHL
- ONT
1 stop30h 13m
Frontier
Deal found 7/2![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 7/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Deal found 7/3![Frontier logo]()
$135
This SmartFares deal was found by Cheapflights users on 7/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:15 pm
JFK
- ONT
Nonstop5h 58m
JetBlue
Deal found 7/6![JetBlue logo]()
$152
Find flight deals from New Jersey to Ontario
Keep the following information in mind while searching for New Jersey to Ontario flight deals. Data was last updated July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Super.com) |
One-way from | $118 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $369 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Jersey 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 July 6, 2026.
Use the filters below to find and compare flights from New Jersey to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkOntario
LGA - ONT
LGAONT
New York LaGuardia
Thu 8/27
6:00 am-10:42 am
1 stop7h 42m
Ontario
Sun 8/30
10:00 pm-9:39 am
1 stop8h 39m
$313
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Sat 8/22
6:50 pm-9:59 pm
Nonstop6h 09m
Ontario
Mon 8/31
11:59 pm-8:20 am
Nonstop5h 21m
$327
New YorkOntario
LGA - ONT
LGAONT
New York LaGuardia
Thu 8/13
12:30 pm-7:25 pm
2 stops9h 55m
Ontario
Tue 8/18
7:25 am-11:00 pm
1 stop12h 35m
$338
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Wed 8/19
7:29 pm-10:37 pm
Nonstop6h 08m
Ontario
Sat 8/22
11:13 pm-7:33 am
Nonstop5h 20m
$342
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Wed 8/19
7:29 pm-10:37 pm
Nonstop6h 08m
Ontario
Sun 8/23
11:59 pm-8:20 am
Nonstop5h 21m
$342
Quickest round-trip
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Sun 8/30
7:40 pm-10:44 pm
Nonstop6h 04m
Ontario
Tue 9/8
11:50 pm-8:11 am
Nonstop5h 21m
$342
PhiladelphiaOntario
PHL - ONT
PHLONT
Philadelphia
Wed 10/7
5:25 am-11:08 am
1 stop8h 43m
Ontario
Mon 10/12
11:15 pm-9:29 am
1 stop7h 14m
$348
New YorkOntario
LGA - ONT
LGAONT
New York LaGuardia
Mon 8/10
6:30 am-1:25 pm
2 stops9h 55m
Ontario
Fri 8/14
8:10 am-8:55 pm
1 stop9h 45m
$352
New YorkOntario
LGA - ONT
LGAONT
New York LaGuardia
Sat 8/22
7:00 am-3:15 pm
2 stops11h 15m
Ontario
Sun 8/30
11:55 pm-11:25 am
1 stop8h 30m
$352
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Tue 8/18
7:29 pm-10:37 pm
Nonstop6h 08m
Ontario
Sun 8/23
11:59 pm-8:20 am
Nonstop5h 21m
$352
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from New Jersey to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from New Jersey with our price prediction graph.
JFK-ONT
PHL-ONT
EWR-ONT
LGA-ONT
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 New Jersey to Ontario
USNJ-ONT
JFK-ONT
PHL-ONT
EWR-ONT
LGA-ONT
How much does it cost to fly round-trip from New Jersey to Ontario?
Related info for your journey
Find useful and relevant information for your journey from New Jersey to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for New Jersey to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Jersey to Ontario by cabin class
Find flights from New Jersey to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
New Jersey and Ontario flights
Browse other New Jersey and Ontario flight options. Last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
New Jersey to Ontario flights
Consider these flights traveling from New Jersey to Ontario.
Top 3 airlines flying from New Jersey to Ontario
Discover the top 3 airlines that operate flights from New Jersey 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$432 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$377 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$540 | FlexibilityNo cancel fee | On-time69% |