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Cheap flights from New York to Ontario from £101

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 23/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
06:00 - 12:24EWR-ONT
9h 24m1 stop
13:45 - 00:58ONT-EWR
8h 13m1 stop
£206United Airlines
Find Deal
Wed, 7 May - Wed, 14 May
07:00 - 15:32EWR-ONT
11h 32m1 stop
16:29 - 05:40ONT-EWR
10h 11m1 stop
£208Alaska Airlines
Find Deal
Wed, 23 Apr - Wed, 30 Apr
14:45 - 20:21EWR-ONT
8h 36m1 stop
18:39 - 05:44ONT-EWR
8h 05m1 stop
£210United Airlines
Find Deal
Thu, 24 Apr - Wed, 30 Apr
17:30 - 23:58EWR-ONT
9h 28m1 stop
16:29 - 05:40ONT-EWR
10h 11m1 stop
£214Alaska Airlines
Find Deal
Tue, 29 Apr - Tue, 6 May
05:59 - 10:57EWR-ONT
7h 58m1 stop
12:07 - 23:03ONT-EWR
7h 56m1 stop
£216Delta
Find Deal
Sun, 20 Apr - Tue, 29 Apr
07:00 - 12:16EWR-ONT
8h 16m1 stop
22:15 - 15:39ONT-EWR
14h 24m2 stops
£218Delta
Find Deal
Sun, 20 Apr - Tue, 29 Apr
17:30 - 23:58EWR-ONT
9h 28m1 stop
16:29 - 05:40ONT-EWR
10h 11m1 stop
£222Alaska Airlines
Find Deal
Fri, 25 Apr - Wed, 30 Apr
14:45 - 20:34EWR-ONT
8h 49m1 stop
18:41 - 05:34ONT-EWR
7h 53m1 stop
£223United Airlines
Find Deal
Wed, 14 May - Sun, 25 May
05:59 - 13:49EWR-ONT
10h 50m1 stop
19:25 - 06:00ONT-EWR
7h 35m1 stop
£338American Airlines
Find Deal
Thu, 24 Apr - Sun, 27 Apr
17:59 - 23:50EWR-ONT
8h 51m1 stop
06:00 - 15:59ONT-EWR
6h 59m1 stop
£396American Airlines
Find Deal
Mon, 14 Apr - Thu, 17 Apr

Alaska Airlines flights from New York to Ontario

Our best Alaska Airlines deals on New York to Ontario flight tickets
Alaska Airlines
23 Apr
EWR07:00Newark
11h 32m
1 stop
ONT15:32Ontario
30 Apr
ONT16:29Ontario
10h 11m
1 stop
EWR05:40Newark
Alaska Airlines
29 Apr
EWR17:30Newark
9h 28m
1 stop
ONT23:58Ontario
6 May
ONT16:29Ontario
10h 11m
1 stop
EWR05:40Newark
Alaska Airlines
25 Apr
EWR17:30Newark
9h 28m
1 stop
ONT23:58Ontario
30 Apr
ONT16:29Ontario
10h 11m
1 stop
EWR05:40Newark

United Airlines flights from New York to Ontario

Our best United Airlines deals on New York to Ontario flight tickets
United Airlines
7 May
EWR06:00Newark
9h 24m
1 stop
ONT12:24Ontario
14 May
ONT13:45Ontario
8h 13m
1 stop
EWR00:58Newark
United Airlines
24 Apr
EWR14:45Newark
8h 36m
1 stop
ONT20:21Ontario
30 Apr
ONT18:39Ontario
8h 05m
1 stop
EWR05:44Newark
United Airlines
14 May
EWR14:45Newark
8h 49m
1 stop
ONT20:34Ontario
25 May
ONT18:41Ontario
7h 53m
1 stop
EWR05:34Newark

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 £230. 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 £246.

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 £292. 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 21 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £312 when searching 21 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 £236 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 March 2025, prices for New York to Ontario flights are approximately 59% cheaper 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

£101

Fastest flight time

7h 41m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from New York in the past 72 hours is £101. The best return flight deal from New York to Ontario found on momondo in the last 72 hours is £206.
The fastest flight from New York to Ontario takes 7h 41m
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 41m.

  • 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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