How long does it take to fly to Ontario?

On average, it takes 5h 50m to fly from New York to Ontario if you fly out of Newark (the most popular airport in New York) and into Los Angeles (the most popular airport in Ontario). If you’re flying out of New York and into Los Angeles, then the flight time is around 7h 15m.

What is the cheapest airline that flies from New York to Ontario?

Delta and United Airlines are the most popular carriers operating from New York to Ontario

Which airlines fly to Ontario?

Spirit Airlines, JetBlue and Delta are the top three most popular airlines that fly to Ontario from New York according to our data. Spirit Airlines is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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.

£100 Cheap Flights from New York to Ontario in 2026

Q: What is the typical price of a round-trip flight between New York and Ontario?

Prices are currently low for flights on this route. Typical prices usually range from £419 to £228. The lowest price recently found on this route was £233.

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Find the cheapest flights from New York to Los Angeles

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 11:04

EWR

ONT

8h 04m

1 stop

12:00 - 00:05

ONT

EWR

9h 05m

1 stop

£233Delta

Thu, 3 Sep - Wed, 9 Sep

06:00 - 10:42

EWR

ONT

7h 42m

1 stop

22:00 - 10:29

ONT

EWR

9h 29m

1 stop

£248Delta

Fri, 21 Aug - Fri, 28 Aug

14:40 - 20:46

EWR

ONT

9h 06m

1 stop

18:30 - 05:38

ONT

EWR

8h 08m

1 stop

£251United Airlines

Sat, 6 Jun - Mon, 15 Jun

09:30 - 19:02

EWR

ONT

12h 32m

1 stop

16:03 - 06:52

ONT

EWR

11h 49m

1 stop

£252Alaska Airlines

Sat, 30 May - Tue, 2 Jun

06:55 - 14:29

EWR

ONT

10h 34m

1 stop

10:45 - 23:29

ONT

EWR

9h 44m

1 stop

£264Alaska Airlines

Sat, 22 Aug - Tue, 8 Sep

06:00 - 12:12

EWR

ONT

9h 12m

1 stop

13:18 - 01:04

ONT

EWR

8h 46m

1 stop

£270United Airlines

Tue, 9 Jun - Tue, 16 Jun

17:05 - 23:53

EWR

ONT

9h 48m

1 stop

07:23 - 23:25

ONT

EWR

13h 02m

1 stop

£271Alaska Airlines

Thu, 8 Oct - Mon, 12 Oct

06:00 - 10:42

EWR

ONT

7h 42m

1 stop

22:00 - 10:29

ONT

EWR

9h 29m

1 stop

£277Delta

Wed, 12 Aug - Sun, 16 Aug

17:29 - 21:57

EWR

ONT

7h 28m

1 stop

19:13 - 06:00

ONT

EWR

7h 47m

1 stop

£278American Airlines

Fri, 5 Jun - Fri, 12 Jun

06:00 - 12:12

EWR

ONT

9h 12m

1 stop

18:30 - 05:38

ONT

EWR

8h 08m

1 stop

£281United Airlines

Wed, 3 Jun - Thu, 4 Jun

Delta flights from New York to Ontario

Our best Delta deals on New York to Ontario flight tickets

Delta

3 Sept

EWR06:00Newark

8h 04m

1 stop

ONT11:04Ontario

9 Sept

ONT12:00Ontario

9h 05m

1 stop

EWR00:05Newark

£233

Delta

21 Aug

EWR06:00Newark

7h 42m

1 stop

ONT10:42Ontario

28 Aug

ONT22:00Ontario

9h 29m

1 stop

EWR10:29Newark

£248

Delta

12 Aug

EWR06:00Newark

7h 42m

1 stop

ONT10:42Ontario

16 Aug

ONT22:00Ontario

9h 29m

1 stop

EWR10:29Newark

£277

United Airlines flights from New York to Ontario

Our best United Airlines deals on New York to Ontario flight tickets

United Airlines

6 Jun

EWR14:40Newark

9h 06m

1 stop

ONT20:46Ontario

15 Jun

ONT18:30Ontario

8h 08m

1 stop

EWR05:38Newark

£251

United Airlines

9 Jun

EWR06:00Newark

9h 12m

1 stop

ONT12:12Ontario

16 Jun

ONT13:18Ontario

8h 46m

1 stop

EWR01:04Newark

£270

United Airlines

3 Jun

EWR06:00Newark

9h 12m

1 stop

ONT12:12Ontario

4 Jun

ONT18:30Ontario

8h 08m

1 stop

EWR05:38Newark

£281

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 3/9

06:00-11:04

1 stop8h 04m

Ontario

Wed 9/9

12:00-00:05

1 stop9h 05m

£233

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 21/8

06:00-10:42

1 stop7h 42m

Ontario

Fri 28/8

22:00-10:29

1 stop9h 29m

£248

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 6/6

14:40-20:46

1 stop9h 06m

Ontario

Mon 15/6

18:30-05:38

1 stop8h 08m

£251

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 30/5

09:30-19:02

1 stop12h 32m

Ontario

Tue 2/6

16:03-06:52

1 stop11h 49m

£252

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 22/8

06:55-14:29

1 stop10h 34m

Ontario

Tue 8/9

10:45-23:29

1 stop9h 44m

£264

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 9/6

06:00-12:12

1 stop9h 12m

Ontario

Tue 16/6

13:18-01:04

1 stop8h 46m

£270

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 8/10

17:05-23:53

1 stop9h 48m

Ontario

Mon 12/10

07:23-23:25

1 stop13h 02m

£271

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 12/8

06:00-10:42

1 stop7h 42m

Ontario

Sun 16/8

22:00-10:29

1 stop9h 29m

£277

Fastest return journey

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 5/6

17:29-21:57

1 stop7h 28m

Ontario

Fri 12/6

19:13-06:00

1 stop7h 47m

£278

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 3/6

06:00-12:12

1 stop9h 12m

Ontario

Thu 4/6

18:30-05:38

1 stop8h 08m

£281

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 June is, on average, the cheapest month to fly to Ontario from New York, with most prices found around £33. If you’re not able to fly to Ontario in June, then May is your next best option. Flight prices from New York to Ontario during May average around £51.

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 from New York to Ontario?

You are more likely to see cheaper flights to Ontario from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £291 when searching weeks before you fly. 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 £123 on momondo.

Can stopping save me money on New York to Ontario flights?

You could potentially save up to 15% on your flight if you consider stops on a New York to Ontario flight.

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

As of May 2026, prices for New York to Ontario flights are approximately 52% 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

Fastest flight time	8h 41m
Direct flights	None

The fastest flight from New York to Ontario takes 8h 41m

There are no direct flights from New York to Ontario. There are no popular flight routes from New York to Ontario.

Search flight deals

Frequently asked questions about flying from New York to Ontario

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 8h 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?
momondo data reveals that the most frequently booked plane model on the route from New York to Ontario is Airbus A321-100/200, representing 40.83% of all bookings. The subsequent popular models are Airbus A318/A319/A320/A321 at 14.53%, Airbus A320-100/200 at 5.88%, and Airbus A321neo at 5.88%.

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.