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.

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

United Airlines, 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 42m 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 22m.

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.

£95 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 £190 to £329. The lowest price recently found on this route was £189.

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Find the cheapest flights from New York to Los Angeles

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One-way

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Enter your travel dates to find the best prices.

07:00 - 12:23

EWR

ONT

8h 23m

1 stop

22:25 - 09:32

ONT

EWR

8h 07m

1 stop

£189Delta

Tue, 10 Mar - Tue, 10 Mar

11:48 - 23:51

EWR

ONT

15h 03m

2 stops

12:57 - 23:39

ONT

EWR

7h 42m

1 stop

£192Delta

Tue, 24 Mar - Wed, 1 Apr

07:00 - 12:23

EWR

ONT

8h 23m

1 stop

22:25 - 09:32

ONT

EWR

8h 07m

1 stop

£203Delta

Tue, 10 Mar - Sat, 14 Mar

14:30 - 23:49

EWR

ONT

12h 19m

2 stops

22:20 - 09:34

ONT

EWR

8h 14m

1 stop

£207Delta

Wed, 4 Mar - Sat, 7 Mar

22:30 - 15:05

EWR

ONT

19h 35m

2 stops

16:22 - 11:29

ONT

EWR

16h 07m

1 stop

£209Multiple Airlines

Mon, 23 Mar - Mon, 30 Mar

17:30 - 23:52

EWR

ONT

9h 22m

1 stop

16:02 - 06:59

ONT

EWR

11h 57m

1 stop

£215Alaska Airlines

Fri, 6 Mar - Sat, 14 Mar

17:30 - 23:52

EWR

ONT

9h 22m

1 stop

07:00 - 18:59

ONT

EWR

8h 59m

1 stop

£218Alaska Airlines

Tue, 3 Mar - Sat, 7 Mar

09:30 - 21:00

EWR

ONT

14h 30m

2 stops

13:29 - 23:55

ONT

EWR

7h 26m

1 stop

£222Delta

Wed, 15 Apr - Sat, 18 Apr

14:30 - 23:51

EWR

ONT

12h 21m

2 stops

06:00 - 19:19

ONT

EWR

10h 19m

2 stops

£225Delta

Wed, 18 Mar - Tue, 24 Mar

17:30 - 23:52

EWR

ONT

9h 22m

1 stop

07:00 - 18:59

ONT

EWR

8h 59m

1 stop

£230Alaska Airlines

Mon, 2 Mar - Sat, 7 Mar

United Airlines flights from New York to Ontario

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

United Airlines

1 Mar

EWR06:00Newark

9h 38m

1 stop

ONT12:38Ontario

7 Mar

ONT18:37Ontario

9h 38m

1 stop

EWR07:15Newark

£239

United Airlines

17 Feb

EWR15:30Newark

8h 20m

1 stop

ONT20:50Ontario

21 Feb

ONT06:10Ontario

7h 45m

1 stop

EWR16:55Newark

£322

United Airlines

23 Feb

EWR16:00Newark

9h 00m

1 stop

ONT22:00Ontario

8 Mar

ONT23:59Ontario

9h 29m

1 stop

EWR12:28Newark

£337

Delta flights from New York to Ontario

Our best Delta deals on New York to Ontario flight tickets

Delta

10 Mar

EWR07:00Newark

8h 23m

1 stop

ONT12:23Ontario

10 Mar

ONT22:25Ontario

8h 07m

1 stop

EWR09:32Newark

£189

Delta

24 Mar

EWR11:48Newark

15h 03m

2 stops

ONT23:51Ontario

1 Apr

ONT12:57Ontario

7h 42m

1 stop

EWR23:39Newark

£192

Delta

10 Mar

EWR07:00Newark

8h 23m

1 stop

ONT12:23Ontario

14 Mar

ONT22:25Ontario

8h 07m

1 stop

EWR09:32Newark

£203

Fly from

Fly to

Route

Depart

Return

Price

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 10/3

07:00-12:23

1 stop8h 23m

Ontario

Tue 10/3

22:25-09:32

1 stop8h 07m

£189

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 24/3

11:48-23:51

2 stops15h 03m

Ontario

Wed 1/4

12:57-23:39

1 stop7h 42m

£192

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 10/3

07:00-12:23

1 stop8h 23m

Ontario

Sat 14/3

22:25-09:32

1 stop8h 07m

£203

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 4/3

14:30-23:49

2 stops12h 19m

Ontario

Sat 7/3

22:20-09:34

1 stop8h 14m

£207

NewarkOntario

EWR - ONT

EWRONT

Newark

Mon 23/3

22:30-15:05

2 stops19h 35m

Ontario

Mon 30/3

16:22-11:29

1 stop16h 07m

£209

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 6/3

17:30-23:52

1 stop9h 22m

Ontario

Sat 14/3

16:02-06:59

1 stop11h 57m

£215

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 3/3

17:30-23:52

1 stop9h 22m

Ontario

Sat 7/3

07:00-18:59

1 stop8h 59m

£218

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 15/4

09:30-21:00

2 stops14h 30m

Ontario

Sat 18/4

13:29-23:55

1 stop7h 26m

£222

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 18/3

14:30-23:51

2 stops12h 21m

Ontario

Tue 24/3

06:00-19:19

2 stops10h 19m

£225

NewarkOntario

EWR - ONT

EWRONT

Newark

Mon 2/3

17:30-23:52

1 stop9h 22m

Ontario

Sat 7/3

07:00-18:59

1 stop8h 59m

£230

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 September is, on average, the cheapest month to fly to Ontario from New York, with most prices found around £211. 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 £211.

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 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £257 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 £199 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 February 2026, prices for New York to Ontario flights are approximately 36% 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	9h 13m
Direct flights	None

The fastest flight from New York to Ontario takes 9h 13m

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

Search flight deals

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 9h 13m.
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 15.05% of all bookings. The subsequent popular models are Airbus A321neo at 12.90%, Airbus A318/A319/A320/A321 at 8.60%, and Airbus A320 (sharklets) at 7.53%.

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.