$138+ Cheap flights from Ontario (ONT) to Newark (EWR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Newark 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 Newark
Cheapest
Best
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One-way
Cheapest flights from Ontario to NewarkExplore the most affordable flight options available from Ontario to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
Explore the most affordable flight options available from Ontario to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:00 am -
2 stops20h 48m
Tue 12/86:00 am -
2 stops19h 17m
Deal found 11/5![Frontier logo]()
$297
This Mytrip deal was found by Cheapflights users on 11/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:26 pm -
2 stops12h 22m
Fri 12/1110:26 pm -
2 stops15h 19m
Deal found 11/7![Frontier logo]()
$329
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/57:26 pm -
2 stops12h 22m
Wed 12/166:00 am -
2 stops29h 05m
Deal found 11/4![Frontier logo]()
$347
This Mytrip deal was found by Cheapflights users on 11/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:26 pm -
2 stops12h 22m
Fri 12/1110:26 pm -
2 stops15h 19m
Deal found 11/7![Frontier logo]()
$350
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/57:26 pm -
2 stops12h 22m
Wed 12/96:00 am -
2 stops19h 17m
Deal found 11/4![Frontier logo]()
$353
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:44 am -
2 stops23h 04m
Tue 1/510:24 pm -
2 stops19h 24m
Deal found 11/8![Frontier logo]()
$354
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/57:26 pm -
2 stops12h 22m
Mon 12/710:24 pm -
2 stops26h 53m
Deal found 11/4![Frontier logo]()
$358
Best flights from Ontario to NewarkDiscover carefully curated flight deals from Ontario to Newark that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
Discover carefully curated flight deals from Ontario to Newark that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/81:07 pm -
1 stop8h 48m
Mon 1/114:59 pm -
1 stop9h 59m
Deal found 11/8![Delta logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/54:29 pm -
1 stop22h 00m
Sat 1/99:00 am -
1 stop9h 33m
Deal found 11/8![Alaska Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/76:00 am -
1 stop7h 27m
Sat 1/91:40 pm -
1 stop10h 20m
Deal found 11/8![United Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 11/7. 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 12/25:04 pm -
1 stop9h 54m
Thu 12/33:24 pm -
1 stop9h 31m
Deal found 11/7![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 11/4. 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 1/123:31 pm -
2 stops11h 24m
Sun 1/176:50 am -
1 stop8h 22m
Deal found 11/4![Delta logo]()
$516
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 4/126:10 pm -
1 stop8h 48m
Tue 4/277:17 am -
1 stop10h 30m
Deal found 11/5![Alaska Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 12/241:38 pm -
1 stop6h 58m
Thu 12/316:00 am -
1 stop9h 42m
Deal found 11/4![United Airlines logo]()
$634
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:10 pm -
1 stop7h 20m
Sun 11/226:50 am -
1 stop8h 30m
Deal found 11/8![Delta logo]()
$559
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 12/2011:52 pm -
1 stop7h 21m
Thu 12/316:00 am -
1 stop9h 42m
Deal found 11/6![United Airlines logo]()
$639
This Delta deal was found by Cheapflights users on 11/7. 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 12/711:08 pm -
1 stop7h 22m
Mon 12/146:50 am -
1 stop8h 27m
Deal found 11/7![Delta logo]()
$569
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/251:38 pm -
1 stop8h 21m
Thu 12/316:00 am -
1 stop9h 42m
Deal found 11/5![United Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/251:38 pm -
1 stop6h 58m
Mon 1/43:37 pm -
1 stop8h 23m
Deal found 11/5![United Airlines logo]()
$672
Last-minute flights from Ontario to NewarkDiscover last-minute flight deals from Ontario to Newark. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Newark. Data last updated November 9, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:00 am -
2 stops20h 48m
Tue 12/86:00 am -
2 stops19h 17m
Deal found 11/5![Frontier logo]()
$297
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/57:26 pm -
2 stops12h 22m
Wed 12/166:00 am -
2 stops29h 05m
Deal found 11/4![Frontier logo]()
$347
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/57:26 pm -
2 stops12h 22m
Wed 12/96:00 am -
2 stops19h 17m
Deal found 11/4![Frontier logo]()
$353
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/57:26 pm -
2 stops12h 22m
Mon 12/710:24 pm -
2 stops26h 53m
Deal found 11/4![Frontier logo]()
$358
This Mytrip deal was found by Cheapflights users on 11/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:26 pm -
2 stops12h 22m
Fri 12/1110:26 pm -
2 stops15h 19m
Deal found 11/7![Frontier logo]()
$350
This Mytrip deal was found by Cheapflights users on 11/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:26 pm -
2 stops12h 22m
Fri 12/1110:26 pm -
2 stops15h 19m
Deal found 11/7![Frontier logo]()
$329
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:44 am -
2 stops23h 04m
Tue 1/510:24 pm -
2 stops19h 24m
Deal found 11/8![Frontier logo]()
$354
One-way flights from Ontario to NewarkSearch for one-way flight options from Ontario to Newark. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
Search for one-way flight options from Ontario to Newark. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:44 am -
2 stops12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1110:54 am -
2 stops34h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$149
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sat 12/511:00 am -
2 stops20h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$152
This Trip.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:27 pm -
2 stops27h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$153
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Tue 12/811:30 am -
2 stops20h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:30 am -
2 stops15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Mon 1/189:22 pm -
2 stops45h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$170
Find flight deals from Ontario to Newark
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Newark (EWR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Mytrip) |
One-way from | $138 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $568 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Newark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 9, 2026.
Use the filters below to find and compare flights from Ontario to Newark Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Mon 12/7
5:01 pm-6:48 am
1 stop10h 47m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$205
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Sat 2/6
4:29 pm-6:53 am
1 stop11h 24m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$207
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Fri 2/5
4:29 pm-6:53 am
1 stop11h 24m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$207
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Wed 12/9
6:00 am-11:59 pm
1 stop14h 59m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$210
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Sat 12/5
6:17 pm-5:55 am
1 stop8h 38m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$210
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Mon 12/21
5:05 pm-5:35 am
1 stop9h 30m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$225
Quickest round-trip
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Mon 12/14
11:08 pm-9:30 am
1 stop7h 22m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$230
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Thu 12/3
5:04 pm-5:58 am
1 stop9h 54m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$230
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Fri 12/4
11:08 pm-10:36 am
1 stop8h 28m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$250
OntarioNewark
ONT Ontario - EWR Newark
ONTEWR
Ontario
Thu 11/26
6:00 am-4:38 pm
1 stop7h 38m
Newark
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$285
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Ontario to Newark
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Newark in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Newark Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Newark Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Newark Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Newark Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Newark Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Newark
Have a flexible travel schedule? Discover the best time to fly to Newark from Ontario with our price prediction graph.
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 Newark Airport
How far ahead should I book a flight from Ontario to Newark Airport?
Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Newark Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Ontario to Newark Airport?
Currently, December is the cheapest month in which you can book a flight from Ontario to Newark Airport (average of $406). Flying from Ontario to Newark Airport in July is currently the most expensive (average of $599). 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 Ontario to Newark Airport?
Airfare is below average for this route at the moment.
Ontario to Newark Airport flights typically cost between $432 and $717 in December.The cheapest round-trip price found within the last 5 days was $297 on Frontier (Dec 5-Dec 8).
Reviews of airlines servicing Newark
Get insights into the airlines that provide service to Newark. 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 Newark. Reviews last updated November 9, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Ontario to Newark Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentVincent,Jun 2024
SEA - EWR
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentVincent,Jun 2024
SEA - EWR
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentVincent,Jun 2024
SEA - EWR
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentVincent,Jun 2024
SEA - EWR
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentVincent,Jun 2024
SEA - EWR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Newark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Newark Airport?
Book flights to Newark Airport if you plan to visit one of these locationsQueens
Elizabeth
Bronx
East Rutherford
Staten Island
Mahwah
Yonkers
Mount Laurel
Bethlehem
Irvington
Secaucus
Tannersville
Fort Lee
Carle Place
Clinton
Absecon
Carteret
Seaside Heights
North Bergen
Goshen
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Other flights to Newark
Explore flights to Newark departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 9, 2026.
Ontario and Newark flights
Browse other Ontario and Newark flight options. Last updated on November 9, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on November 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Ontario to Newark
Discover the top 4 airlines that operate flights from Ontario to Newark. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$307 | Average$573 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$332 | Average$548 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$332 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$353 | Average$549 | FlexibilityNo cancel fee | On-time71% |