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Cheap flights from Ontario to New York from $118

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:00 am - 12:29 amONT  Ontario-EWR Newark
13h 29m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Frontier Logo
10:24 pm - 6:31 pmEWR  Newark-ONT Ontario
23h 07m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$311Frontier
Wed, Dec 2 - Fri, Dec 4
Frontier Logo
8:00 am - 12:29 amONT  Ontario-EWR Newark
13h 29m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Frontier Logo
10:24 pm - 6:31 pmEWR  Newark-ONT Ontario
23h 07m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$314Frontier
Wed, Dec 2 - Fri, Dec 4
Alaska Airlines Logo
4:09 pm - 5:40 amONT  Ontario-EWR Newark
10h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:30 am - 6:17 pmEWR  Newark-ONT Ontario
11h 47m1 stop Seattle/Tacoma Intl
$393Alaska Airlines
Tue, Nov 17 - Wed, Nov 18
Alaska Airlines Logo
5:59 pm - 6:30 amONT  Ontario-EWR Newark
9h 31m1 stop Portland
Alaska Airlines Logo
9:30 am - 6:17 pmEWR  Newark-ONT Ontario
11h 47m1 stop Seattle/Tacoma Intl
$393Alaska Airlines
Fri, Nov 13 - Sat, Nov 14
Delta Logo
12:20 pm - 12:57 amONT  Ontario-EWR Newark
9h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:07 amEWR  Newark-ONT Ontario
8h 07m1 stop Atlanta Hartsfield-Jackson
$396Delta
Sat, Dec 5 - Sat, Dec 12
Delta Logo
12:20 pm - 12:57 amONT  Ontario-EWR Newark
9h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:07 amEWR  Newark-ONT Ontario
8h 07m1 stop Atlanta Hartsfield-Jackson
$397Delta
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
1:35 pm - 11:32 pmONT  Ontario-EWR Newark
6h 57m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:29 pm - 10:10 pmEWR  Newark-ONT Ontario
7h 41m1 stop Phoenix Sky Harbor Intl
$399American Airlines
Fri, Feb 26 - Sun, Feb 28
American Airlines Logo
7:00 am - 7:29 pmONT  Ontario-EWR Newark
9h 29m1 stop Dallas/Fort Worth
American Airlines Logo
6:13 am - 12:38 pmEWR  Newark-ONT Ontario
9h 25m1 stop Phoenix Sky Harbor Intl
$399American Airlines
Sat, Dec 12 - Wed, Dec 16
United Airlines Logo
1:40 pm - 11:36 pmONT  Ontario-EWR Newark
6h 56m1 stop Denver Intl
United Airlines Logo
11:15 am - 6:44 pmEWR  Newark-ONT Ontario
10h 29m1 stop Chicago O'Hare Intl
$399United Airlines
Fri, Dec 4 - Thu, Dec 10
United Airlines Logo
5:45 am - 4:57 pmONT  Ontario-EWR Newark
8h 12m1 stop Houston George Bush Intcntl
United Airlines Logo
3:42 pm - 9:11 pmEWR  Newark-ONT Ontario
8h 29m1 stop Denver Intl
$399United Airlines
Sat, Dec 5 - Wed, Dec 9

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Delta flights from Ontario to Newark Airport

Our best Delta deals on Ontario to Newark Airport flight tickets
Delta
Dec 5
ONT12:20 pmOntario
9h 37m
1 stop
EWR12:57 amNewark
Dec 12
EWR6:00 amNewark
8h 07m
1 stop
ONT11:07 amOntario
$396
Delta
Dec 5
ONT12:20 pmOntario
9h 37m
1 stop
EWR12:57 amNewark
Dec 12
EWR6:00 amNewark
8h 07m
1 stop
ONT11:07 amOntario
$397
Delta
Nov 9
ONT11:10 pmOntario
7h 20m
1 stop
EWR9:30 amNewark
Nov 17
EWR6:50 amNewark
8h 27m
1 stop
ONT12:17 pmOntario
$469

Frontier flights from Ontario to Newark Airport

Our best Frontier deals on Ontario to Newark Airport flight tickets
Frontier
Dec 2
ONT8:00 amOntario
13h 29m
2 stops
EWR12:29 amNewark
Dec 4
EWR10:24 pmNewark
23h 07m
2 stops
ONT6:31 pmOntario
$311
Frontier
Dec 2
ONT8:00 amOntario
13h 29m
2 stops
EWR12:29 amNewark
Dec 4
EWR10:24 pmNewark
23h 07m
2 stops
ONT6:31 pmOntario
$314
Frontier
Dec 2
ONT8:00 amOntario
13h 29m
2 stops
EWR12:29 amNewark
Dec 9
EWR10:24 pmNewark
15h 21m
2 stops
ONT10:45 amOntario
$317

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Newark Airport that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Wed 12/2

8:00 am-12:29 am

2 stops13h 29m

Newark

Fri 12/4

10:24 pm-6:31 pm

2 stops23h 07m

$311

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Wed 12/2

8:00 am-12:29 am

2 stops13h 29m

Newark

Fri 12/4

10:24 pm-6:31 pm

2 stops23h 07m

$314

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Tue 11/17

4:09 pm-5:40 am

1 stop10h 31m

Newark

Wed 11/18

9:30 am-6:17 pm

1 stop11h 47m

$393

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Fri 11/13

5:59 pm-6:30 am

1 stop9h 31m

Newark

Sat 11/14

9:30 am-6:17 pm

1 stop11h 47m

$393

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Sat 12/5

12:20 pm-12:57 am

1 stop9h 37m

Newark

Sat 12/12

6:00 am-11:07 am

1 stop8h 07m

$396

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Sat 12/5

12:20 pm-12:57 am

1 stop9h 37m

Newark

Sat 12/12

6:00 am-11:07 am

1 stop8h 07m

$397
Quickest round-trip

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Fri 2/26

1:35 pm-11:32 pm

1 stop6h 57m

Newark

Sun 2/28

5:29 pm-10:10 pm

1 stop7h 41m

$399

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Sat 12/12

7:00 am-7:29 pm

1 stop9h 29m

Newark

Wed 12/16

6:13 am-12:38 pm

1 stop9h 25m

$399

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Fri 12/4

1:40 pm-11:36 pm

1 stop6h 56m

Newark

Thu 12/10

11:15 am-6:44 pm

1 stop10h 29m

$399

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Sat 12/5

5:45 am-4:57 pm

1 stop8h 12m

Newark

Wed 12/9

3:42 pm-9:11 pm

1 stop8h 29m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ontario to Newark Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ontario and Newark Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $432 to $717.
The lowest price recently found on this route was $311.

What is the cheapest month to fly to Newark Airport?

The cheapest month to fly to Newark Airport from Ontario is in December. Flight prices, which tend to average around $411, are often lower during this time because this is during the off-season. If you don’t want to visit Newark Airport in December, then you should wait until January to fly from Ontario, when ticket prices are also cheap, with an average price of $422.

What is the cheapest day to depart on your flight to Newark Airport?

The cheapest day to depart on your flight to Newark Airport is on a Wednesday when prices can be found for as low as $479. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Newark Airport for around $611.

What is the cheapest time of day to depart on your flight to Newark Airport?

The cheapest time of day to fly to Newark Airport is in the evening when flights can be purchased for as low as $472. Flights at noon are often more expensive with an average ticket price of $540.

What is the cheapest Ontario to Newark flight route?

Fly from Ontario to Newark for the best Ontario - Newark flight prices

How far in advance should I book a flight from Ontario to Newark Airport?

You are more likely to see cheaper flights to Newark Airport from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Newark Airport for around $508 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Newark Airport from Ontario for as low as $324 on momondo.

What cabin class options are available on Ontario to Newark Airport flights?

There is only 1 cabin class available to choose from on Ontario to Newark Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ontario to Newark Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Ontario to Newark Airport flight.

How have Ontario to Newark Airport flight prices changed over time?

As of October 2026, prices for Ontario to Newark Airport flights are approximately 41% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Newark Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Newark Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Newark Airport (ONT to EWR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Newark Airport

Best Price Found

$118

Fastest flight time

7h 13m

Direct flights

None
The best one-way flight to Newark Airport from Ontario in the past 72 hours is $118. The best round-trip flight deal from Ontario to Newark Airport found on momondo in the last 72 hours is $311.
The fastest flight from Ontario to Newark Airport takes 7h 13m
There are no direct flights from Ontario to Newark Airport. There are no popular flight routes from Ontario to Newark Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Newark Airport

  • How far is Ontario to Newark by plane?

    A flight from Ontario to Newark will travel around 2403.8 mi. A reasonable flight in good conditions will take 7h 13m.

  • When did momondo last update prices for flights from Ontario Airport to Newark Airport?

    Prices for flights from Ontario Airport to Newark Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Newark Airport?

  • How old do you have to be to fly from Ontario Airport to Newark Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Newark Airport.

  • What documentation or ID do you need to fly to Newark Airport?

    The travel and health documents required for your trip to Newark Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Newark Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Newark Airport?

Best airlines flying from Ontario to Newark Airport

Compare and see reviews for airlines that fly from Ontario to Newark Airport with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $227Free CancellationRating
7.9
13,121 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $307Free CancellationRating
7.3
10,442 reviews
Search United Airlines flights
DeltaPriceFrom $332Free CancellationRating
7.8
8,680 reviews
Search Delta flights
American AirlinesPriceFrom $351Free CancellationRating
7.0
12,191 reviews
Search American Airlines flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Queens
Bronx
Seaside Heights
Yonkers
Mount Laurel
East Rutherford
Bethlehem
Secaucus
Jim Thorpe
Parsippany
Stamford
Woodbridge
Wayne
Long Branch
Tannersville
Point Pleasant Beach
Staten Island
Elizabeth
East Stroudsburg
Hauppauge

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to New York?

Finding the right flight to New York from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to New York quick and easy, saving you time and money.

Can I find flights from Ontario to New York with flexible booking policies on momondo?

momondo does allow users to show only those flights to New York from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to New York?

Once you have performed a search for Ontario to New York flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to New York right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to New York now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to New York and let you know when they change.

An easier way to manage your Newark Airport trip

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