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Cheap flights from Ontario to Newark Airport from $113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Newark Airport departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to New York

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to New York.
Alaska Airlines Logo
3:00 pm - 5:59 amONT-EWR
11h 59m1 stop
Alaska Airlines Logo
7:19 am - 2:06 pmEWR-ONT
9h 47m1 stop
$269Alaska Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Alaska Airlines Logo
4:29 pm - 5:40 amONT-EWR
10h 11m1 stop
Alaska Airlines Logo
5:30 pm - 11:58 pmEWR-ONT
9h 28m1 stop
$277Alaska Airlines
Find Deal
Tue, May 6 - Wed, May 7
American Airlines Logo
6:01 am - 4:29 pmONT-EWR
7h 28m1 stop
American Airlines Logo
6:56 am - 12:00 pmEWR-ONT
8h 04m1 stop
$280American Airlines
Find Deal
Fri, May 30 - Sat, Jun 7
American Airlines Logo
10:40 pm - 9:48 amONT-EWR
8h 08m1 stop
American Airlines Logo
8:15 am - 4:13 pmEWR-ONT
10h 58m2 stops
$282American Airlines
Find Deal
Thu, May 29 - Sat, Jun 7
Delta Logo
7:00 am - 6:02 pmONT-EWR
8h 02m1 stop
Delta Logo
6:00 am - 11:07 amEWR-ONT
8h 07m1 stop
$287Delta
Find Deal
Sat, Jul 26 - Wed, Aug 20
Delta Logo
6:00 am - 7:41 pmONT-EWR
10h 41m2 stops
Delta Logo
2:59 pm - 11:43 pmEWR-ONT
11h 44m2 stops
$302Delta
Find Deal
Wed, Jul 9 - Fri, Jul 11
United Airlines Logo
6:38 pm - 5:35 amONT-EWR
7h 57m1 stop
United Airlines Logo
7:00 am - 12:32 pmEWR-ONT
8h 32m1 stop
$344United Airlines
Find Deal
Thu, Aug 28 - Sun, Aug 31
Hawaiian Airlines Logo
4:29 pm - 5:40 amONT-EWR
10h 11m1 stop
Hawaiian Airlines Logo
5:30 pm - 11:58 pmEWR-ONT
9h 28m1 stop
$348Hawaiian Airlines
Find Deal
Tue, May 6 - Tue, May 13
United Airlines Logo
6:39 pm - 5:39 amONT-EWR
8h 00m1 stop
United Airlines Logo
6:05 am - 12:32 pmEWR-ONT
9h 27m1 stop
$349United Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 21
Hawaiian Airlines Logo
7:10 am - 6:59 pmONT-EWR
8h 49m1 stop
Hawaiian Airlines Logo
7:19 am - 2:06 pmEWR-ONT
9h 47m1 stop
$396Hawaiian Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 21

Alaska Airlines flights from Ontario to Newark Airport

Our best Alaska Airlines deals on Ontario to Newark Airport flight tickets
Alaska Airlines
Sep 9
ONT3:00 pmOntario
11h 59m
1 stop
EWR5:59 amNewark
Sep 16
EWR7:19 amNewark
9h 47m
1 stop
ONT2:06 pmOntario
Alaska Airlines
May 6
ONT4:29 pmOntario
10h 11m
1 stop
EWR5:40 amNewark
May 7
EWR5:30 pmNewark
9h 28m
1 stop
ONT11:58 pmOntario
Alaska Airlines
May 22
ONT6:00 amOntario
9h 29m
1 stop
EWR6:29 pmNewark
May 28
EWR7:19 amNewark
11h 31m
1 stop
ONT3:50 pmOntario

United Airlines flights from Ontario to Newark Airport

Our best United Airlines deals on Ontario to Newark Airport flight tickets
United Airlines
Aug 28
ONT6:38 pmOntario
7h 57m
1 stop
EWR5:35 amNewark
Aug 31
EWR7:00 amNewark
8h 32m
1 stop
ONT12:32 pmOntario
United Airlines
Sep 10
ONT6:39 pmOntario
8h 00m
1 stop
EWR5:39 amNewark
Sep 21
EWR6:05 amNewark
9h 27m
1 stop
ONT12:32 pmOntario
United Airlines
May 24
ONT6:34 pmOntario
8h 05m
1 stop
EWR5:39 amNewark
May 28
EWR4:30 pmNewark
7h 34m
1 stop
ONT9:04 pmOntario

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 cheapest month to fly to Newark Airport?

The cheapest month to fly to Newark Airport from Ontario is in January. Flight prices, which tend to average around $326, are often lower during this time because this is during the off-season. If you don’t want to visit Newark Airport in January, then you should wait until September to fly from Ontario, when ticket prices are also cheap, with an average price of $345.

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 $386. 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 $483.

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 $375. Flights in the afternoon are often more expensive with an average ticket price of $441.

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

You are more likely to see cheaper flights to Newark Airport from Ontario when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Newark Airport for around $407 when searching 20 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 $275 on momondo.

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

As of April 2025, prices for Ontario to Newark Airport flights are approximately 17% 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

$113

Fastest flight time

6h 48m

Direct flights

None
The best one-way flight to Newark Airport from Ontario in the past 72 hours is $113. The best round-trip flight deal from Ontario to Newark Airport found on momondo in the last 72 hours is $269.
The fastest flight from Ontario to Newark Airport takes 6h 48m
There are no direct flights from Ontario to Newark Airport. Popular non-direct route for this connection is Ontario Airport - 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 48m.

  • 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
Spirit AirlinesPriceFrom $142Free CancellationRating
6.3
7,940 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
9,911 reviews
Search Alaska Airlines flights
DeltaPriceFrom $266Free CancellationRating
8.0
7,920 reviews
Search Delta flights
American AirlinesPriceFrom $266Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $282Free CancellationRating
7.4
8,685 reviews
Search United 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
Yonkers
Seaside Heights
Bethlehem
Stamford
Pocono Manor
Parsippany
Elizabeth
Tannersville
Long Branch
Jim Thorpe
Secaucus
North Bergen
East Stroudsburg
Staten Island
Asbury Park
Mount Laurel
Stroudsburg
Middletown

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.


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