$93+ Cheap flights from Ontario (ONT) to Newark (EWR)
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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
May 5 — May 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 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
Last-minute
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 April 5, 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 April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/68:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Tue 5/1212:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/58:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Wed 5/1312:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Mon 5/1810:29 pm
EWR
- ONT
2 stops36h 06m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/58:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Thu 5/285:55 am
EWR
- ONT
2 stops44h 54m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Fri 5/1512:25 pm
EWR
- ONT
1 stop22h 55m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/58:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Tue 5/196:30 am
EWR
- ONT
2 stops30h 35m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/68:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Wed 5/1312:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Fri 5/15:33 pm
ONT
- EWR
2 stops24h 56m
Multiple Airlines
Fri 5/812:25 pm
EWR
- ONT
1 stop22h 55m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/188:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Wed 5/2712:25 pm
EWR
- ONT
1 stop21h 43m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/48:26 am
ONT
- EWR
1 stop23h 54m
Multiple Airlines
Wed 5/1312:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/68:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Tue 5/196:30 am
EWR
- ONT
2 stops30h 35m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$228
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 April 5, 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 April 5, 2026.
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 4/2812:49 pm
ONT
- EWR
1 stop8h 10m
Delta
Tue 5/1212:00 pm
EWR
- ONT
1 stop9h 36m
Delta
Deal found 4/1![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 4/5. 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 7/76:30 am
ONT
- EWR
1 stop8h 30m
United Airlines
Tue 7/217:00 am
EWR
- ONT
1 stop8h 12m
United Airlines
Deal found 4/5![United Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:26 pm
ONT
- EWR
1 stop12h 13m
Alaska Airlines
Sat 5/95:33 pm
EWR
- ONT
1 stop9h 15m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:49 pm
ONT
- EWR
1 stop7h 54m
Delta
Fri 5/13:26 pm
EWR
- ONT
1 stop8h 34m
Delta
Deal found 3/31![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:45 am
ONT
- EWR
1 stop9h 49m
United Airlines
Sat 9/121:10 pm
EWR
- ONT
1 stop8h 09m
United Airlines
Deal found 4/3![United Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 5/27:00 am
ONT
- EWR
1 stop8h 29m
Alaska Airlines
Wed 5/63:30 pm
EWR
- ONT
1 stop10h 02m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:29 pm
ONT
- EWR
1 stop7h 30m
Delta
Wed 5/137:15 am
EWR
- ONT
1 stop8h 04m
Delta
Deal found 4/5![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:10 am
ONT
- EWR
1 stop13h 19m
Alaska Airlines
Mon 9/75:02 pm
EWR
- ONT
1 stop19h 49m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
ONT
- EWR
1 stop9h 20m
United Airlines
Sun 5/106:00 am
EWR
- ONT
1 stop9h 38m
United Airlines
Deal found 3/31![United Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:26 pm
ONT
- EWR
1 stop12h 13m
Alaska Airlines
Thu 5/77:29 am
EWR
- ONT
1 stop10h 03m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/271:18 pm
ONT
- EWR
1 stop8h 46m
United Airlines
Wed 6/31:25 pm
EWR
- ONT
1 stop10h 17m
United Airlines
Deal found 4/1![United Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 9/910:45 am
ONT
- EWR
1 stop9h 44m
Alaska Airlines
Sat 9/127:20 am
EWR
- ONT
1 stop9h 55m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$389
Last-minute flights from Ontario to NewarkDiscover last-minute flight deals from Ontario to Newark. Data last updated April 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Newark. Data last updated April 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Fri 5/15:33 pm
ONT
- EWR
2 stops24h 56m
Multiple Airlines
Fri 5/812:25 pm
EWR
- ONT
1 stop22h 55m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/48:26 am
ONT
- EWR
1 stop23h 54m
Multiple Airlines
Wed 5/1312:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/58:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Wed 5/1312:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/58:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Thu 5/285:55 am
EWR
- ONT
2 stops44h 54m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/58:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Tue 5/196:30 am
EWR
- ONT
2 stops30h 35m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/68:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Tue 5/1212:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/68:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Wed 5/1312:25 pm
EWR
- ONT
1 stop22h 10m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/68:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Tue 5/196:30 am
EWR
- ONT
2 stops30h 35m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Mon 5/1810:29 pm
EWR
- ONT
2 stops36h 06m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Fri 5/1512:25 pm
EWR
- ONT
1 stop22h 55m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/188:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Wed 5/2712:25 pm
EWR
- ONT
1 stop21h 43m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$223
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 April 5, 2026.
Search for one-way flight options from Ontario to Newark. Find affordable one-way fares based on user searches. Data last updated April 5, 2026.
This Trip.com deal was found by Cheapflights users on 4/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$93
This Trip.com deal was found by Cheapflights users on 4/1. 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.
Tue 4/2811:44 am
ONT
- EWR
1 stop16h 18m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:06 pm
ONT
- EWR
2 stops26h 12m
Frontier
Deal found 4/5![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:44 am
ONT
- EWR
1 stop16h 13m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$107
This Trip.com deal was found by Cheapflights users on 4/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:06 pm
ONT
- EWR
1 stop12h 14m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/235:59 pm
ONT
- EWR
1 stop14h 21m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$110
This CheapOair deal was found by Cheapflights users on 4/4. 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.
Tue 6/166:47 pm
ONT
- EWR
1 stop14h 43m
Frontier
Deal found 4/4![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:00 am
ONT
- EWR
2 stops51h 32m
Frontier
Deal found 4/5![Frontier logo]()
$113
This WAYA deal was found by Cheapflights users on 4/4. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:26 am
ONT
- EWR
1 stop8h 38m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$114
This Trip.com deal was found by Cheapflights users on 4/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:44 am
ONT
- EWR
1 stop15h 46m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$115
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 April 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 (Kiwi.com) |
One-way from | $103 (Trip.com) |
Popular in | March |
Cheapest in | August |
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 2,558,603 searches. Data last updated April 5, 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 - EWR
ONTEWR
Ontario
Tue 4/28
12:49 pm-11:59 pm
1 stop8h 10m
Newark
Tue 5/12
12:00 pm-6:36 pm
1 stop9h 36m
$287
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 7/7
6:30 am-6:00 pm
1 stop8h 30m
Newark
Tue 7/21
7:00 am-12:12 pm
1 stop8h 12m
$287
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Sat 4/25
12:49 pm-11:43 pm
1 stop7h 54m
Newark
Fri 5/1
3:26 pm-9:00 pm
1 stop8h 34m
$287
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 9/8
5:45 am-6:34 pm
1 stop9h 49m
Newark
Sat 9/12
1:10 pm-6:19 pm
1 stop8h 09m
$354
Quickest round-trip
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Sat 5/9
1:29 pm-11:59 pm
1 stop7h 30m
Newark
Wed 5/13
7:15 am-12:19 pm
1 stop8h 04m
$373
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Fri 5/1
3:26 pm-6:39 am
1 stop12h 13m
Newark
Sat 5/9
5:33 pm-11:48 pm
1 stop9h 15m
$389
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Sat 5/2
7:00 am-6:29 pm
1 stop8h 29m
Newark
Wed 5/6
3:30 pm-10:32 pm
1 stop10h 02m
$389
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 9/1
7:10 am-11:29 pm
1 stop13h 19m
Newark
Mon 9/7
5:02 pm-9:51 am
1 stop19h 49m
$389
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Tue 4/28
3:26 pm-6:39 am
1 stop12h 13m
Newark
Thu 5/7
7:29 am-2:32 pm
1 stop10h 03m
$389
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Wed 9/9
10:45 am-11:29 pm
1 stop9h 44m
Newark
Sat 9/12
7:20 am-2:15 pm
1 stop9h 55m
$389
Showing 1-10 of 23 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | 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?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Newark. Price data was last updated on April 3, 2026.
Booking 52 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, June is the cheapest month in which you can book a flight from Ontario to Newark Airport (average of $78). Flying from Ontario to Newark Airport in April is currently the most expensive (average of $185). 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?
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 April 5, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andJetBlue 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
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
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
Bronx
Mahwah
East Rutherford
Yonkers
Bethlehem
Secaucus
Mount Laurel
Elizabeth
North Bergen
Irvington
Staten Island
Seaside Heights
Absecon
Carle Place
Parsippany
Edgewater
Tannersville
Carteret
Stamford
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
Newark flight routes
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Newark
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Newark by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Newark by cabin class
Find flights from Ontario to Newark, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 April 5, 2026.
Ontario and Newark flights
Browse other Ontario and Newark flight options. Last updated on April 5, 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 April 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Ontario to Newark
Discover the top 5 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 2,558,603 searches. Data last updated April 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$202 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$257 | Average$337 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$276 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$307 | Average$430 | FlexibilityNo cancel fee | On-time69% |