Which airlines fly to Ontario?

Delta, JetBlue and American Airlines are the top three most popular airlines that fly to Ontario from New York according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from New York to Ontario

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 05m.

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.

£136 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 high for flights on this route. Typical prices usually range from £170 to £276. The lowest price recently found on this route was £280.

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Find the cheapest flights from New York to Los Angeles

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:43 - 10:21

EWR

ONT

19h 38m

1 stop

18:56 - 06:59

ONT

EWR

9h 03m

1 stop

£280Alaska Airlines

Fri, 16 Oct - Sat, 24 Oct

17:05 - 23:53

EWR

ONT

9h 48m

1 stop

17:30 - 05:58

ONT

EWR

9h 28m

1 stop

£306Alaska Airlines

Thu, 15 Oct - Sat, 31 Oct

06:00 - 11:07

EWR

ONT

8h 07m

1 stop

22:00 - 09:24

ONT

EWR

8h 24m

1 stop

£307Delta

Tue, 15 Sep - Sun, 20 Sep

07:15 - 12:10

EWR

ONT

7h 55m

1 stop

06:00 - 16:49

ONT

EWR

7h 49m

1 stop

£313Delta

Tue, 28 Jul - Wed, 29 Jul

06:00 - 10:38

EWR

ONT

7h 38m

1 stop

17:10 - 06:00

ONT

EWR

9h 50m

1 stop

£317Delta

Fri, 10 Jul - Mon, 20 Jul

17:59 - 23:48

EWR

ONT

8h 49m

1 stop

22:00 - 10:29

ONT

EWR

9h 29m

1 stop

£329Delta

Tue, 21 Jul - Fri, 14 Aug

15:20 - 21:52

EWR

ONT

9h 32m

1 stop

22:00 - 10:29

ONT

EWR

9h 29m

1 stop

£332Delta

Fri, 21 Aug - Fri, 28 Aug

15:20 - 21:52

EWR

ONT

9h 32m

1 stop

12:00 - 00:58

ONT

EWR

9h 58m

1 stop

£333Delta

Fri, 21 Aug - Sat, 29 Aug

15:20 - 21:52

EWR

ONT

9h 32m

1 stop

22:00 - 10:29

ONT

EWR

9h 29m

1 stop

£334Delta

Fri, 21 Aug - Fri, 28 Aug

17:43 - 10:21

EWR

ONT

19h 38m

1 stop

16:42 - 17:01

ONT

EWR

21h 19m

2 stops

£335Alaska Airlines

Fri, 16 Oct - Sat, 24 Oct

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Alaska Airlines flights from New York to Ontario

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

Alaska Airlines

16 Oct

EWR17:43Newark

19h 38m

1 stop

ONT10:21Ontario

24 Oct

ONT18:56Ontario

9h 03m

1 stop

EWR06:59Newark

£280

Alaska Airlines

15 Oct

EWR17:05Newark

9h 48m

1 stop

ONT23:53Ontario

30 Oct

ONT17:30Ontario

9h 28m

1 stop

EWR05:58Newark

£306

Alaska Airlines

16 Oct

EWR17:43Newark

19h 38m

1 stop

ONT10:21Ontario

24 Oct

ONT16:42Ontario

21h 19m

2 stops

EWR17:01Newark

£335

Delta flights from New York to Ontario

Our best Delta deals on New York to Ontario flight tickets

Delta

15 Sept

EWR06:00Newark

8h 07m

1 stop

ONT11:07Ontario

20 Sept

ONT22:00Ontario

8h 24m

1 stop

EWR09:24Newark

£307

Delta

4 Jul

EWR13:29Newark

8h 01m

1 stop

ONT18:30Ontario

14 Jul

ONT17:10Ontario

9h 50m

1 stop

EWR06:00Newark

£310

Delta

28 Jul

EWR07:15Newark

7h 55m

1 stop

ONT12:10Ontario

29 Jul

ONT06:00Ontario

7h 49m

1 stop

EWR16:49Newark

£313

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 16/10

17:43-10:21

1 stop19h 38m

Ontario

Sat 24/10

18:56-06:59

1 stop9h 03m

£280

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 15/10

17:05-23:53

1 stop9h 48m

Ontario

Sat 31/10

17:30-05:58

1 stop9h 28m

£306

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 15/9

06:00-11:07

1 stop8h 07m

Ontario

Sun 20/9

22:00-09:24

1 stop8h 24m

£307

Fastest return journey

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 28/7

07:15-12:10

1 stop7h 55m

Ontario

Wed 29/7

06:00-16:49

1 stop7h 49m

£313

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 10/7

06:00-10:38

1 stop7h 38m

Ontario

Mon 20/7

17:10-06:00

1 stop9h 50m

£317

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 21/7

17:59-23:48

1 stop8h 49m

Ontario

Fri 14/8

22:00-10:29

1 stop9h 29m

£329

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 21/8

15:20-21:52

1 stop9h 32m

Ontario

Fri 28/8

22:00-10:29

1 stop9h 29m

£332

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 21/8

15:20-21:52

1 stop9h 32m

Ontario

Sat 29/8

12:00-00:58

1 stop9h 58m

£333

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 21/8

15:20-21:52

1 stop9h 32m

Ontario

Fri 28/8

22:00-10:29

1 stop9h 29m

£334

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 16/10

17:43-10:21

1 stop19h 38m

Ontario

Sat 24/10

16:42-17:01

2 stops21h 19m

£335

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 December is, on average, the cheapest month to fly to Ontario from New York, with most prices found around £54. If you’re not able to fly to Ontario in December, then July is your next best option. Flight prices from New York to Ontario during July average around £58.

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 £313 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 £127 on momondo.

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

There is only 1 cabin class 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.

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 June 2026, prices for New York to Ontario flights are approximately 25% 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

Fastest flight time	8h 01m
Direct flights	None

The fastest flight from New York to Ontario takes 8h 01m

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

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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 01m.
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 40.90% of all bookings. The subsequent popular models are Airbus A318/A319/A320/A321 at 16.77%, Airbus A321neo at 4.70%, and Boeing 767-300 (winglets) at 4.09%.

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.