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Cheap flights from New York to Ontario from £104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York to Ontario departing on 13/5. 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 New York to Los Angeles

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from New York to Los Angeles.
Alaska Airlines Logo
07:19 - 14:06EWR-ONT
9h 47m1 stop
Alaska Airlines Logo
15:00 - 05:59ONT-EWR
11h 59m1 stop
£197Alaska Airlines
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Alaska Airlines Logo
17:48 - 23:59EWR-ONT
9h 11m1 stop
Alaska Airlines Logo
15:00 - 05:59ONT-EWR
11h 59m1 stop
£202Alaska Airlines
Find Deal
Sat, 6 Sep - Tue, 23 Sep
Alaska Airlines Logo
17:30 - 23:58EWR-ONT
9h 28m1 stop
Alaska Airlines Logo
16:45 - 05:59ONT-EWR
10h 14m1 stop
£208Alaska Airlines
Find Deal
Tue, 13 May - Sat, 24 May
Delta Logo
06:00 - 10:20EWR-ONT
7h 20m1 stop
Delta Logo
17:05 - 06:08ONT-EWR
10h 03m1 stop
£212Delta
Find Deal
Fri, 4 Jul - Tue, 8 Jul
Delta Logo
15:31 - 23:21EWR-ONT
10h 50m2 stops
Delta Logo
17:05 - 06:08ONT-EWR
10h 03m1 stop
£216Delta
Find Deal
Fri, 4 Jul - Tue, 8 Jul
United Airlines Logo
16:14 - 21:25EWR-ONT
8h 11m1 stop
United Airlines Logo
07:00 - 19:12ONT-EWR
9h 12m1 stop
£232United Airlines
Find Deal
Sat, 23 Aug - Sat, 30 Aug
American Airlines Logo
06:00 - 13:52EWR-ONT
10h 52m1 stop
American Airlines Logo
22:40 - 09:48ONT-EWR
8h 08m1 stop
£234American Airlines
Find Deal
Wed, 28 May - Mon, 2 Jun
American Airlines Logo
10:38 - 18:23EWR-ONT
10h 45m1 stop
American Airlines Logo
22:40 - 09:48ONT-EWR
8h 08m1 stop
£269American Airlines
Find Deal
Tue, 27 May - Mon, 2 Jun
United Airlines Logo
14:13 - 21:04EWR-ONT
9h 51m1 stop
United Airlines Logo
18:41 - 07:54ONT-EWR
10h 13m1 stop
£276United Airlines
Find Deal
Wed, 28 May - Sat, 31 May
Hawaiian Airlines Logo
07:19 - 14:06EWR-ONT
9h 47m1 stop
Hawaiian Airlines Logo
15:00 - 05:59ONT-EWR
11h 59m1 stop
£286Hawaiian Airlines
Find Deal
Wed, 17 Sep - Sat, 20 Sep

Delta flights from New York to Ontario

Our best Delta deals on New York to Ontario flight tickets
Delta
4 Jul
EWR06:00Newark
7h 20m
1 stop
ONT10:20Ontario
8 Jul
ONT17:05Ontario
10h 03m
1 stop
EWR06:08Newark
Delta
4 Jul
EWR15:31Newark
10h 50m
2 stops
ONT23:21Ontario
8 Jul
ONT17:05Ontario
10h 03m
1 stop
EWR06:08Newark
Delta
4 Jul
EWR15:31Newark
10h 50m
2 stops
ONT23:21Ontario
8 Jul
ONT17:05Ontario
12h 49m
2 stops
EWR08:54Newark

United Airlines flights from New York to Ontario

Our best United Airlines deals on New York to Ontario flight tickets
United Airlines
23 Aug
EWR16:14Newark
8h 11m
1 stop
ONT21:25Ontario
30 Aug
ONT07:00Ontario
9h 12m
1 stop
EWR19:12Newark
United Airlines
28 May
EWR14:13Newark
9h 51m
1 stop
ONT21:04Ontario
31 May
ONT18:41Ontario
10h 13m
1 stop
EWR07:54Newark
United Airlines
21 May
EWR14:15Newark
10h 45m
1 stop
ONT22:00Ontario
29 May
ONT18:32Ontario
8h 07m
1 stop
EWR05:39Newark

See travel insights to Los Angeles from

How to get the cheapest flight ticket from New York to Ontario

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 New York and Ontario?

What is the cheapest month to fly to Ontario?

The month of September is, on average, the cheapest month to fly to Ontario from New York, with most prices found around £228. If you’re not able to fly to Ontario in September, then October is your next best option. Flight prices from New York to Ontario during October average around £239.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as £0. This is often the case because there is less demand to fly during this day of the week. Flights from New York to Ontario on a Saturday will generally be more expensive and average around £284. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest New York to Ontario flight route?

Fly from New York John F Kennedy Intl to Ontario for the best New York - Ontario flight prices

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

You are more likely to see cheaper flights to Ontario from New York when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £281 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from New York for as low as £210 on momondo.

What cabin class options are available on New York to Ontario flights?

There are 1 cabin classes available to choose from on New York to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have New York to Ontario flight prices changed over time?

As of April 2025, prices for New York to Ontario flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from New York to Ontario

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

Cheap New York to Ontario (NYC to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York to Ontario

Best price found

£104

Fastest flight time

7h 20m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from New York in the past 72 hours is £104. The best return flight deal from New York to Ontario found on momondo in the last 72 hours is £197.
The fastest flight from New York to Ontario takes 7h 20m
There are no direct flights from New York to Ontario. Popular non-direct route for this connection is Newark Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is New York to Ontario by plane?

    A flight from New York to Ontario will travel around 2413.4 mi. In terms of flight time, this usually takes a little over 7h 20m.

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

    Prices for flights from New York to Ontario Airport are refreshed on a daily basis.

  • How old do you have to be to fly from New York to Ontario 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 New York to Ontario Airport.

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

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from New York to Ontario?


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New York to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from New York to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential New York to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Ontario from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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