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

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 02m.

Which airlines fly to Ontario?

Spirit Airlines, JetBlue and Frontier 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 37% 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.

£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 £353 to £192. The lowest price recently found on this route was £205.

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Find the cheapest flights from New York to Los Angeles

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14:59 - 15:09

EWR

ONT

27h 10m

1 stop

16:04 - 06:30

ONT

EWR

11h 26m

1 stop

£205Multiple Airlines

Sat, 9 May - Sat, 16 May

13:30 - 23:49

EWR

ONT

13h 19m

2 stops

16:04 - 06:30

ONT

EWR

11h 26m

1 stop

£218Multiple Airlines

Sat, 9 May - Sat, 16 May

17:00 - 22:45

EWR

ONT

8h 45m

1 stop

11:05 - 23:17

ONT

EWR

9h 12m

1 stop

£289United Airlines

Fri, 17 Apr - Tue, 21 Apr

12:00 - 18:33

EWR

ONT

9h 33m

1 stop

22:15 - 09:29

ONT

EWR

8h 14m

1 stop

£289Delta

Sat, 25 Apr - Sat, 2 May

17:47 - 22:43

EWR

ONT

7h 56m

1 stop

22:15 - 09:29

ONT

EWR

8h 14m

1 stop

£292Delta

Sat, 25 Apr - Mon, 4 May

07:29 - 14:32

EWR

ONT

10h 03m

1 stop

10:39 - 23:29

ONT

EWR

9h 50m

1 stop

£292Alaska Airlines

Sat, 25 Apr - Wed, 29 Apr

17:47 - 22:43

EWR

ONT

7h 56m

1 stop

22:15 - 10:55

ONT

EWR

9h 40m

1 stop

£293Delta

Sat, 25 Apr - Mon, 4 May

12:00 - 18:33

EWR

ONT

9h 33m

1 stop

22:15 - 09:29

ONT

EWR

8h 14m

1 stop

£294Delta

Sat, 25 Apr - Sat, 2 May

15:29 - 21:00

EWR

ONT

8h 31m

1 stop

22:15 - 09:29

ONT

EWR

8h 14m

1 stop

£295Delta

Sat, 25 Apr - Sat, 2 May

16:45 - 22:35

EWR

ONT

8h 50m

1 stop

05:00 - 17:30

ONT

EWR

9h 30m

1 stop

£302United Airlines

Fri, 1 May - Wed, 6 May

United Airlines flights from New York to Ontario

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

United Airlines

17 Apr

EWR17:00Newark

8h 45m

1 stop

ONT22:45Ontario

21 Apr

ONT11:05Ontario

9h 12m

1 stop

EWR23:17Newark

£289

United Airlines

1 May

EWR16:45Newark

8h 50m

1 stop

ONT22:35Ontario

6 May

ONT05:00Ontario

9h 30m

1 stop

EWR17:30Newark

£302

United Airlines

2 Jul

EWR16:40Newark

9h 11m

1 stop

ONT22:51Ontario

7 Jul

ONT13:18Ontario

8h 46m

1 stop

EWR01:04Newark

£303

Alaska Airlines flights from New York to Ontario

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

Alaska Airlines

25 Apr

EWR07:29Newark

10h 03m

1 stop

ONT14:32Ontario

29 Apr

ONT10:39Ontario

9h 50m

1 stop

EWR23:29Newark

£292

Alaska Airlines

5 May

EWR07:29Newark

19h 19m

2 stops

ONT23:48Ontario

11 May

ONT15:26Ontario

12h 13m

1 stop

EWR06:39Newark

£325

Alaska Airlines

21 Apr

EWR15:30Newark

11h 29m

1 stop

ONT23:59Ontario

28 Apr

ONT10:39Ontario

9h 50m

1 stop

EWR23:29Newark

£325

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 9/5

14:59-15:09

1 stop27h 10m

Ontario

Sat 16/5

16:04-06:30

1 stop11h 26m

£205

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 9/5

13:30-23:49

2 stops13h 19m

Ontario

Sat 16/5

16:04-06:30

1 stop11h 26m

£218

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 17/4

17:00-22:45

1 stop8h 45m

Ontario

Tue 21/4

11:05-23:17

1 stop9h 12m

£289

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 25/4

12:00-18:33

1 stop9h 33m

Ontario

Sat 2/5

22:15-09:29

1 stop8h 14m

£289

Fastest return journey

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 25/4

17:47-22:43

1 stop7h 56m

Ontario

Mon 4/5

22:15-09:29

1 stop8h 14m

£292

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 25/4

07:29-14:32

1 stop10h 03m

Ontario

Wed 29/4

10:39-23:29

1 stop9h 50m

£292

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 25/4

17:47-22:43

1 stop7h 56m

Ontario

Mon 4/5

22:15-10:55

1 stop9h 40m

£293

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 25/4

12:00-18:33

1 stop9h 33m

Ontario

Sat 2/5

22:15-09:29

1 stop8h 14m

£294

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 25/4

15:29-21:00

1 stop8h 31m

Ontario

Sat 2/5

22:15-09:29

1 stop8h 14m

£295

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 1/5

16:45-22:35

1 stop8h 50m

Ontario

Wed 6/5

05:00-17:30

1 stop9h 30m

£302

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 £216. 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 £216.

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 £275 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 £195 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 March 2026, prices for New York to Ontario flights are approximately 30% 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 36m
Direct flights	None

The fastest flight from New York to Ontario takes 8h 36m

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 8h 36m.
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 32.20% of all bookings. The subsequent popular models are Airbus A318/A319/A320/A321 at 12.71%, Airbus A321neo at 11.02%, and Airbus A320 (sharklets) at 5.93%.

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.