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Cheap flights from Ontario to New York from $126

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
7:46 pm - 12:35 pmONT  Ontario-EWR Newark
13h 49m1 stop Dallas/Fort Worth
Frontier Logo
1:30 pm - 6:39 pmEWR  Newark-ONT Ontario
8h 09m1 stop Dallas/Fort Worth
$248Frontier
Mon, Sep 28 - Thu, Oct 1
Frontier Logo
7:46 pm - 12:35 pmONT  Ontario-EWR Newark
13h 49m1 stop Dallas/Fort Worth
Frontier Logo
1:30 pm - 6:39 pmEWR  Newark-ONT Ontario
8h 09m1 stop Dallas/Fort Worth
$251Frontier
Mon, Sep 28 - Thu, Oct 1
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
$368Alaska Airlines
Thu, Nov 12 - Sat, Nov 14
American Airlines Logo
7:34 pm - 5:43 amONT  Ontario-EWR Newark
7h 09m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:59 am - 12:14 pmEWR  Newark-ONT Ontario
8h 15m1 stop Phoenix Sky Harbor Intl
$373American Airlines
Fri, Oct 30 - Sat, Oct 31
Alaska Airlines Logo
5:59 pm - 6:30 amONT  Ontario-EWR Newark
9h 31m1 stop Portland
Alaska Airlines Logo
9:35 am - 5:03 pmEWR  Newark-ONT Ontario
10h 28m1 stop Portland
$373Alaska Airlines
Sun, Nov 15 - Mon, Nov 16
American Airlines Logo
6:00 am - 7:29 pmONT  Ontario-EWR Newark
10h 29m1 stop Dallas/Fort Worth
American Airlines Logo
5:29 pm - 11:19 pmEWR  Newark-ONT Ontario
8h 50m1 stop Chicago O'Hare Intl
$379American Airlines
Fri, Jan 15 - Mon, Jan 18
United Airlines Logo
1:24 pm - 11:58 pmONT  Ontario-EWR Newark
7h 34m1 stop Denver Intl
United Airlines Logo
4:07 pm - 9:59 pmEWR  Newark-ONT Ontario
8h 52m1 stop Houston George Bush Intcntl
$379United Airlines
Wed, Sep 30 - Sat, Oct 3
United Airlines Logo
1:24 pm - 12:54 amONT  Ontario-EWR Newark
8h 30m1 stop Denver Intl
United Airlines Logo
1:30 pm - 6:47 pmEWR  Newark-ONT Ontario
8h 17m1 stop Chicago O'Hare Intl
$379United Airlines
Thu, Oct 22 - Tue, Oct 27
Delta Logo
6:00 am - 4:25 pmONT  Ontario-EWR Newark
7h 25m1 stop Salt Lake City
Delta Logo
6:00 am - 11:08 amEWR  Newark-ONT Ontario
8h 08m1 stop Atlanta Hartsfield-Jackson
$379Delta
Mon, Nov 23 - Wed, Dec 2
Delta Logo
12:18 pm - 11:24 pmONT  Ontario-EWR Newark
8h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:08 amEWR  Newark-ONT Ontario
8h 08m1 stop Atlanta Hartsfield-Jackson
$379Delta
Thu, Nov 26 - Thu, Dec 3

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Frontier flights from Ontario to Newark Airport

Our best Frontier deals on Ontario to Newark Airport flight tickets
Frontier
Sep 28
ONT7:46 pmOntario
13h 49m
1 stop
EWR12:35 pmNewark
Oct 1
EWR1:30 pmNewark
8h 09m
1 stop
ONT6:39 pmOntario
$248
Frontier
Sep 28
ONT7:46 pmOntario
13h 49m
1 stop
EWR12:35 pmNewark
Oct 1
EWR1:30 pmNewark
8h 09m
1 stop
ONT6:39 pmOntario
$251
Frontier
Sep 28
ONT7:46 pmOntario
13h 49m
1 stop
EWR12:35 pmNewark
Oct 1
EWR1:30 pmNewark
8h 09m
1 stop
ONT6:39 pmOntario
$260

Alaska Airlines flights from Ontario to Newark Airport

Our best Alaska Airlines deals on Ontario to Newark Airport flight tickets
Alaska Airlines
Nov 12
ONT4:09 pmOntario
10h 31m
1 stop
EWR5:40 amNewark
Nov 14
EWR9:30 amNewark
11h 47m
1 stop
ONT6:17 pmOntario
$368
Alaska Airlines
Feb 25
ONT6:00 amOntario
9h 56m
1 stop
EWR6:56 pmNewark
Mar 3
EWR5:41 pmNewark
9h 18m
1 stop
ONT11:59 pmOntario
$377
Alaska Airlines
Nov 1
ONT10:40 amOntario
16h 50m
1 stop
EWR6:30 amNewark
Nov 5
EWR5:29 pmNewark
19h 15m
1 stop
ONT9:44 amOntario
$379

momondo Fare Finder

 
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

Price

Cheapest round-trip

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Mon 9/28

7:46 pm-12:35 pm

1 stop13h 49m

Newark

Thu 10/1

1:30 pm-6:39 pm

1 stop8h 09m

$248

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Mon 9/28

7:46 pm-12:35 pm

1 stop13h 49m

Newark

Thu 10/1

1:30 pm-6:39 pm

1 stop8h 09m

$251

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Thu 11/12

4:09 pm-5:40 am

1 stop10h 31m

Newark

Sat 11/14

9:30 am-6:17 pm

1 stop11h 47m

$368
Quickest round-trip

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Fri 10/30

7:34 pm-5:43 am

1 stop7h 09m

Newark

Sat 10/31

6:59 am-12:14 pm

1 stop8h 15m

$373

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Sun 11/15

5:59 pm-6:30 am

1 stop9h 31m

Newark

Mon 11/16

9:35 am-5:03 pm

1 stop10h 28m

$373

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Fri 1/15

6:00 am-7:29 pm

1 stop10h 29m

Newark

Mon 1/18

5:29 pm-11:19 pm

1 stop8h 50m

$379

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Wed 9/30

1:24 pm-11:58 pm

1 stop7h 34m

Newark

Sat 10/3

4:07 pm-9:59 pm

1 stop8h 52m

$379

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Thu 10/22

1:24 pm-12:54 am

1 stop8h 30m

Newark

Tue 10/27

1:30 pm-6:47 pm

1 stop8h 17m

$379

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Mon 11/23

6:00 am-4:25 pm

1 stop7h 25m

Newark

Wed 12/2

6:00 am-11:08 am

1 stop8h 08m

$379

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Thu 11/26

12:18 pm-11:24 pm

1 stop8h 06m

Newark

Thu 12/3

6:00 am-11:08 am

1 stop8h 08m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

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 $389 to $566.
The lowest price recently found on this route was $248.

What is the cheapest month to fly to Newark Airport?

The cheapest month to fly to Newark Airport from Ontario is in October. Flight prices, which tend to average around $392, are often lower during this time because this is during the off-season. If you don’t want to visit Newark Airport in October, then you should wait until August to fly from Ontario, when ticket prices are also cheap, with an average price of $457.

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 $448. 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 $574.

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 $435. Flights at noon are often more expensive with an average ticket price of $505.

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 $511 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 5% 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 September 2026, prices for Ontario to Newark Airport flights are approximately 27% 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

$126

Fastest flight time

6h 51m

Direct flights

None
The best one-way flight to Newark Airport from Ontario in the past 72 hours is $126. The best round-trip flight deal from Ontario to Newark Airport found on momondo in the last 72 hours is $248.
The fastest flight from Ontario to Newark Airport takes 6h 51m
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 6h 51m.

  • 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
12,896 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $307Free CancellationRating
7.4
10,190 reviews
Search United Airlines flights
American AirlinesPriceFrom $331Free CancellationRating
7.1
12,049 reviews
Search American Airlines flights
DeltaPriceFrom $332Free CancellationRating
7.8
8,554 reviews
Search Delta 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
East Rutherford
Mount Laurel
Bethlehem
Secaucus
Stamford
Wayne
Woodbridge
Parsippany
Jim Thorpe
Long Branch
Point Pleasant Beach
Tannersville
East Stroudsburg
Elizabeth
Staten Island
Asbury Park

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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