$118+ Cheap flights from Ontario (ONT) to New Jersey
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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
Aug 5 — Aug 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to New Jersey with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to New Jersey
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to New JerseyExplore the most affordable flight options available from Ontario to New Jersey. 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 Ontario to New Jersey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
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.
Wed 7/223:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Thu 8/68:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Deal found 7/3![Frontier logo]()
$309
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:49 am
ONT
- PHL
1 stop22h 00m
Frontier
Tue 8/1111:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Deal found 7/4![Frontier logo]()
$310
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.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Thu 8/2010:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier logo]()
$311
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.
Wed 7/221:38 pm
ONT
- PHL
1 stop13h 22m
Frontier
Thu 7/308:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Deal found 7/3![Frontier logo]()
$311
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 7/118:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 7/1310:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 7/3![Frontier logo]()
$312
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.
Wed 7/81:38 pm
ONT
- PHL
1 stop13h 22m
Frontier
Fri 7/2411:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Deal found 7/3![Frontier logo]()
$312
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:37 am
ONT
- EWR
1 stop23h 54m
Frontier
Tue 8/251:35 pm
EWR
- ONT
1 stop22h 01m
Frontier
Deal found 7/3![Frontier logo]()
$312
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.
Sat 9/198:25 am
ONT
- JFK
2 stops11h 18m
American Airlines
Tue 9/2910:30 am
JFK
- ONT
2 stops11h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$312
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.
Thu 8/138:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Tue 8/1810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/1![Frontier logo]()
$313
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Wed 8/198:00 am
PHL
- ONT
1 stop10h 54m
Frontier
Deal found 7/4![Frontier logo]()
$313
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/1![JetBlue logo]()
$313
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.
Sun 8/238:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/2910:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier logo]()
$314
Best flights from Ontario to New JerseyDiscover carefully curated flight deals from Ontario to New Jersey 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 Ontario to New Jersey 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 7/3. 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 8/1212:00 pm
ONT
- PHL
1 stop8h 42m
Delta
Sun 8/307:00 pm
PHL
- ONT
1 stop7h 34m
Delta
Deal found 7/3![Delta logo]()
$348
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.
Fri 8/1411:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/5![JetBlue logo]()
$352
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:52 pm
ONT
- JFK
1 stop10h 33m
Alaska Airlines
Tue 11/175:29 pm
JFK
- ONT
1 stop9h 20m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$357
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:30 pm
ONT
- PHL
2 stops8h 30m
Southwest
Mon 11/22:30 pm
PHL
- ONT
2 stops10h 40m
Southwest
Deal found 7/2![Southwest logo]()
$369
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
ONT
- LGA
1 stop8h 25m
United Airlines
Wed 8/2611:20 am
LGA
- ONT
2 stops12h 33m
United Airlines
Deal found 7/5![United Airlines logo]()
$382
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:52 pm
ONT
- JFK
1 stop10h 33m
Alaska Airlines
Wed 11/1810:00 am
JFK
- ONT
1 stop9h 58m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$357
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:05 pm
ONT
- PHL
1 stop9h 36m
Delta
Mon 11/236:40 pm
PHL
- ONT
1 stop8h 08m
Delta
Deal found 7/2![Delta logo]()
$359
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.
Wed 8/511:59 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Fri 8/147:30 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/4![JetBlue logo]()
$367
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:30 am
ONT
- PHL
2 stops9h 35m
Southwest
Sun 9/275:00 am
PHL
- ONT
2 stops9h 35m
Southwest
Deal found 7/5![Southwest logo]()
$389
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.
Mon 7/2711:48 am
ONT
- LGA
1 stop7h 39m
Delta
Tue 7/286:00 am
LGA
- ONT
1 stop7h 38m
Delta
Deal found 7/3![Delta logo]()
$363
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.
Tue 7/2811:55 pm
ONT
- LGA
1 stop8h 20m
Southwest
Sat 8/16:00 am
LGA
- ONT
2 stops13h 20m
Southwest
Deal found 7/4![Southwest logo]()
$393
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 7/2911:51 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Wed 8/57:40 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/5![JetBlue logo]()
$407
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Tue 8/116:00 am
LGA
- ONT
1 stop7h 42m
Delta
Deal found 7/1![Delta logo]()
$373
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:45 am
ONT
- LGA
1 stop10h 19m
United Airlines
Sat 10/311:00 pm
LGA
- ONT
1 stop8h 29m
United Airlines
Deal found 7/5![United Airlines logo]()
$452
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.
Tue 8/49:40 am
ONT
- PHL
2 stops9h 05m
Southwest
Wed 8/510:45 am
PHL
- ONT
2 stops9h 50m
Southwest
Deal found 7/4![Southwest logo]()
$409
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1310:59 pm
ONT
- JFK
1 stop9h 55m
Delta
Fri 1/15:59 pm
JFK
- ONT
1 stop8h 49m
Delta
Deal found 7/2![Delta logo]()
$373
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:12 am
ONT
- EWR
2 stops20h 18m
Alaska Airlines
Tue 10/65:43 pm
EWR
- ONT
1 stop19h 38m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$452
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:46 am
ONT
- PHL
1 stop7h 56m
United Airlines
Sun 11/156:00 am
PHL
- ONT
1 stop9h 01m
United Airlines
Deal found 7/5![United Airlines logo]()
$464
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:00 pm
ONT
- JFK
1 stop10h 14m
Delta
Tue 9/86:00 am
JFK
- ONT
1 stop9h 14m
Delta
Deal found 7/1![Delta logo]()
$373
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.
Fri 7/1712:50 pm
ONT
- LGA
1 stop7h 10m
Southwest
Sun 7/196:55 am
LGA
- ONT
1 stop9h 05m
Southwest
Deal found 7/3![Southwest logo]()
$412
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:50 pm
ONT
- PHL
1 stop8h 33m
United Airlines
Fri 8/146:00 am
PHL
- ONT
1 stop9h 12m
United Airlines
Deal found 7/5![United Airlines logo]()
$464
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.
Thu 10/156:56 pm
ONT
- PHL
1 stop31h 44m
Alaska Airlines
Tue 10/274:06 pm
PHL
- ONT
1 stop10h 47m
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.
Wed 7/2211:51 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Tue 7/287:29 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 7/4![JetBlue logo]()
$467
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.
Mon 8/105:15 am
ONT
- LGA
2 stops9h 05m
Southwest
Thu 8/209:40 am
LGA
- ONT
2 stops12h 45m
Southwest
Deal found 7/4![Southwest logo]()
$419
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.
Tue 7/1410:00 pm
ONT
- LGA
1 stop7h 10m
Delta
Wed 7/154:00 pm
LGA
- ONT
1 stop8h 50m
Delta
Deal found 7/3![Delta logo]()
$399
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am
ONT
- LGA
1 stop9h 25m
United Airlines
Wed 9/910:15 am
LGA
- ONT
2 stops12h 46m
United Airlines
Deal found 7/1![United Airlines logo]()
$497
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:55 pm
ONT
- PHL
2 stops8h 40m
Southwest
Mon 11/22:30 pm
PHL
- ONT
2 stops10h 40m
Southwest
Deal found 7/2![Southwest logo]()
$428
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:32 pm
ONT
- EWR
1 stop9h 27m
Alaska Airlines
Fri 8/216:55 am
EWR
- ONT
1 stop10h 34m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$543
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:05 pm
ONT
- PHL
1 stop9h 36m
Delta
Sun 1/36:40 pm
PHL
- ONT
1 stop8h 08m
Delta
Deal found 7/2![Delta logo]()
$419
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:45 am
ONT
- EWR
1 stop8h 01m
United Airlines
Sat 8/1512:00 pm
EWR
- ONT
1 stop9h 12m
United Airlines
Deal found 7/5![United Airlines logo]()
$519
Last-minute flights from Ontario to New JerseyDiscover last-minute flight deals from Ontario to New Jersey. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to New Jersey. Data last updated July 6, 2026 and is based on user searches.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:49 am
ONT
- PHL
1 stop22h 00m
Frontier
Tue 8/1111:06 am
PHL
- ONT
1 stop23h 57m
Frontier
Deal found 7/4![Frontier logo]()
$310
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.
Wed 7/81:38 pm
ONT
- PHL
1 stop13h 22m
Frontier
Fri 7/2411:06 am
PHL
- ONT
1 stop7h 48m
Frontier
Deal found 7/3![Frontier logo]()
$312
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 7/118:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Mon 7/1310:55 pm
LGA
- ONT
1 stop12h 42m
Frontier
Deal found 7/3![Frontier logo]()
$312
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.
Wed 7/223:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Thu 8/68:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Deal found 7/3![Frontier logo]()
$309
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.
Wed 7/221:38 pm
ONT
- PHL
1 stop13h 22m
Frontier
Thu 7/308:37 pm
PHL
- ONT
1 stop16h 27m
Frontier
Deal found 7/3![Frontier logo]()
$311
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Wed 8/198:00 am
PHL
- ONT
1 stop10h 54m
Frontier
Deal found 7/4![Frontier logo]()
$313
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:59 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Tue 8/187:29 pm
JFK
- ONT
Nonstop6h 08m
JetBlue
Deal found 7/1![JetBlue logo]()
$313
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.
Thu 8/138:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Tue 8/1810:55 pm
LGA
- ONT
1 stop12h 41m
Frontier
Deal found 7/1![Frontier logo]()
$313
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.
Fri 8/148:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Thu 8/2010:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier logo]()
$311
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:37 am
ONT
- EWR
1 stop23h 54m
Frontier
Tue 8/251:35 pm
EWR
- ONT
1 stop22h 01m
Frontier
Deal found 7/3![Frontier logo]()
$312
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.
Thu 8/2012:59 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Sun 8/236:54 am
JFK
- ONT
1 stop9h 37m
American Airlines
Deal found 7/1![American Airlines logo]()
$312
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.
Sun 8/238:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Sat 8/2910:55 pm
LGA
- ONT
1 stop12h 43m
Frontier
Deal found 7/1![Frontier logo]()
$314
One-way flights from Ontario to New JerseySearch for one-way flight options from Ontario to New Jersey. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
Search for one-way flight options from Ontario to New Jersey. 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.
Tue 8/118:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/5![Frontier logo]()
$118
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.
Mon 8/108:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/5![Frontier logo]()
$119
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:08 pm
ONT
- PHL
1 stop9h 52m
Frontier
Deal found 7/2![Frontier logo]()
$120
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.
Tue 8/43:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Deal found 7/5![Frontier logo]()
$124
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 8/313:40 pm
ONT
- PHL
1 stop11h 50m
Frontier
Deal found 7/1![Frontier logo]()
$126
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:40 pm
ONT
- PHL
1 stop11h 20m
Frontier
Deal found 7/5![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 7/318:17 am
ONT
- PHL
1 stop8h 12m
Frontier
Deal found 7/3![Frontier logo]()
$129
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
ONT
- PHL
1 stop20h 36m
Frontier
Deal found 7/1![Frontier logo]()
$130
This Jetabroad 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:17 am
ONT
- LGA
1 stop10h 43m
Frontier
Deal found 7/5![Frontier logo]()
$133
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 7/268:17 am
ONT
- PHL
1 stop13h 44m
Frontier
Deal found 7/3![Frontier logo]()
$133
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 9/1612:17 pm
ONT
- LGA
1 stop7h 24m
Delta
Deal found 7/3![Delta logo]()
$134
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.
Tue 8/45:05 pm
ONT
- JFK
1 stop10h 13m
Delta
Deal found 7/3![Delta logo]()
$134
Find flight deals from Ontario to New Jersey
Keep the following information in mind while searching for Ontario to New Jersey flight deals. Data was last updated July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (CheapOair) |
One-way from | $118 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $383 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to New Jersey 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 Ontario to New Jersey that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Wed 8/12
12:00 pm-11:42 pm
1 stop8h 42m
Philadelphia
Sun 8/30
7:00 pm-11:34 pm
1 stop7h 34m
$348
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 8/14
11:59 pm-8:20 am
Nonstop5h 21m
New York John F Kennedy Intl
Tue 8/18
7:29 pm-10:37 pm
Nonstop6h 08m
$352
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 11/12
5:52 pm-7:25 am
1 stop10h 33m
New York John F Kennedy Intl
Tue 11/17
5:29 pm-11:49 pm
1 stop9h 20m
$357
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 11/12
5:52 pm-7:25 am
1 stop10h 33m
New York John F Kennedy Intl
Wed 11/18
10:00 am-4:58 pm
1 stop9h 58m
$357
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Fri 11/20
5:05 pm-5:41 am
1 stop9h 36m
Philadelphia
Mon 11/23
6:40 pm-11:48 pm
1 stop8h 08m
$359
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Mon 7/27
11:48 am-10:27 pm
1 stop7h 39m
New York LaGuardia
Tue 7/28
6:00 am-10:38 am
1 stop7h 38m
$363
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 8/5
11:59 pm-8:21 am
Nonstop5h 22m
New York John F Kennedy Intl
Fri 8/14
7:30 pm-10:38 pm
Nonstop6h 08m
$367
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Mon 10/26
1:30 pm-1:00 am
2 stops8h 30m
Philadelphia
Mon 11/2
2:30 pm-10:10 pm
2 stops10h 40m
$369
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sun 8/9
10:00 pm-8:10 am
1 stop7h 10m
New York LaGuardia
Tue 8/11
6:00 am-10:42 am
1 stop7h 42m
$373
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sun 12/13
10:59 pm-11:54 am
1 stop9h 55m
New York John F Kennedy Intl
Fri 1/1
5:59 pm-11:48 pm
1 stop8h 49m
$373
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to New Jersey
Have a flexible travel schedule? Discover the best time to fly to New Jersey from Ontario with our price prediction graph.
ONT-PHL
ONT-LGA
ONT-JFK
ONT-EWR
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 Ontario to New Jersey
ONT-USNJ
ONT-PHL
ONT-LGA
ONT-JFK
ONT-EWR
What is the cheapest time of day to fly from ONT to NJ?
Find hourly flight availability from Ontario to New Jersey. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 6, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to New Jersey as you normally would.
How much does it cost to fly round-trip from Ontario to New Jersey?
Reviews of airlines servicing New Jersey
Get insights into the airlines that provide service to New Jersey. 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 New Jersey. Reviews last updated July 6, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Ontario to New Jersey by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Ontario to New Jersey. 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
Other flight options
Popular flights
Top destinations
Alternative routes for Ontario to New Jersey
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Jersey by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to New Jersey by cabin class
Find flights from Ontario to New Jersey, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and New Jersey flights
Browse other Ontario and New Jersey flight options. Last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to New Jersey flights
Consider these flights traveling from Ontario to New Jersey.
Top 4 airlines flying from Ontario to New Jersey
Discover the top 4 airlines that operate flights from Ontario to New Jersey. 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$227 | Average$511 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$301 | Average$535 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$501 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$332 | Average$488 | FlexibilityNo cancel fee | On-timeN/A |