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

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

How many flights depart from New York to Ontario on average per week?

10 flights are operational weekly from New York to Ontario as of September 2026. The most popular departure day for this route is Mon, with 30% of flights per week taking off on this day.

How many flights depart from New York to Ontario on average per day?

1 flights are operational daily from New York to Ontario as of September 2026. The most popular departure time for this route is 17:00, with 100% of flights per day taking off in the afternoon.

Which airlines fly to Ontario?

Delta, American Airlines and JetBlue 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 41% 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.

How long does it take to fly to Ontario?

On average, it takes 5h 43m 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 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.

£123 Cheap Flights from New York to Ontario in 2026/27

Find the cheapest flights from New York to Los Angeles

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Enter your travel dates to find the best prices.

06:00 - 11:06JFK New York John F Kennedy Intl-ONT Ontario

8h 06m1 stop Atlanta Hartsfield-Jackson

12:16 - 00:59ONT Ontario-JFK New York John F Kennedy Intl

9h 43m1 stop Atlanta Hartsfield-Jackson

£243Delta

Sat, 31 Oct - Fri, 6 Nov

06:00 - 11:06JFK New York John F Kennedy Intl-ONT Ontario

8h 06m1 stop Atlanta Hartsfield-Jackson

12:16 - 00:59ONT Ontario-JFK New York John F Kennedy Intl

9h 43m1 stop Atlanta Hartsfield-Jackson

£244Delta

Sat, 31 Oct - Fri, 6 Nov

20:25 - 10:17JFK New York John F Kennedy Intl-ONT Ontario

16h 52m1 stop Seattle/Tacoma Intl

06:02 - 22:29ONT Ontario-JFK New York John F Kennedy Intl

13h 27m1 stop Seattle/Tacoma Intl

£245Alaska Airlines

Fri, 16 Oct - Tue, 20 Oct

06:00 - 11:06JFK New York John F Kennedy Intl-ONT Ontario

8h 06m1 stop Atlanta Hartsfield-Jackson

12:16 - 00:59ONT Ontario-JFK New York John F Kennedy Intl

9h 43m1 stop Atlanta Hartsfield-Jackson

£246Delta

Sat, 31 Oct - Fri, 6 Nov

07:58 - 15:16JFK New York John F Kennedy Intl-ONT Ontario

10h 18m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

09:41 - 21:30ONT Ontario-JFK New York John F Kennedy Intl

8h 49m1 stop Phoenix Sky Harbor Intl

£249American Airlines

Tue, 27 Oct - Wed, 28 Oct

18:29 - 23:55JFK New York John F Kennedy Intl-ONT Ontario

8h 26m1 stop Salt Lake City

12:16 - 22:33ONT Ontario-JFK New York John F Kennedy Intl

7h 17m1 stop Atlanta Hartsfield-Jackson

£263Delta

Fri, 16 Oct - Wed, 28 Oct

07:10 - 17:12JFK New York John F Kennedy Intl-ONT Ontario

13h 02m1 stop Seattle/Tacoma Intl

18:00 - 07:11ONT Ontario-JFK New York John F Kennedy Intl

10h 11m1 stop Seattle/Tacoma Intl

£264Delta

Wed, 7 Oct - Wed, 14 Oct

07:10 - 17:12JFK New York John F Kennedy Intl-ONT Ontario

13h 02m1 stop Seattle/Tacoma Intl

11:56 - 00:21ONT Ontario-JFK New York John F Kennedy Intl

9h 25m1 stop Seattle/Tacoma Intl

£267Delta

Wed, 21 Oct - Fri, 23 Oct

18:30 - 23:55JFK New York John F Kennedy Intl-ONT Ontario

8h 25m1 stop Salt Lake City

13:15 - 23:55ONT Ontario-JFK New York John F Kennedy Intl

7h 40m1 stop Salt Lake City

£273Delta

Thu, 29 Oct - Sat, 14 Nov

17:20 - 23:54JFK New York John F Kennedy Intl-ONT Ontario

9h 34m1 stop Portland

07:25 - 19:25ONT Ontario-JFK New York John F Kennedy Intl

9h 00m1 stop Portland

£279Alaska Airlines

Fri, 23 Oct - Sat, 24 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:21 - 22:04JFK New York John F Kennedy Intl-ONT Ontario

8h 43m1 stop Salt Lake City

17:15 - 06:26ONT Ontario-JFK New York John F Kennedy Intl

10h 11m1 stop Salt Lake City

£327Delta

Sat, 26 Sep - Mon, 28 Sep

07:25 - 14:16JFK New York John F Kennedy Intl-ONT Ontario

9h 51m1 stop Seattle/Tacoma Intl

18:14 - 06:01ONT Ontario-JFK New York John F Kennedy Intl

8h 47m1 stop Portland

£364Alaska Airlines

Mon, 28 Sep - Mon, 28 Sep

07:25 - 14:16JFK New York John F Kennedy Intl-ONT Ontario

9h 51m1 stop Seattle/Tacoma Intl

07:12 - 19:27ONT Ontario-JFK New York John F Kennedy Intl

9h 15m1 stop Portland

£368Alaska Airlines

Mon, 28 Sep - Wed, 30 Sep

07:29 - 13:25JFK New York John F Kennedy Intl-ONT Ontario

8h 56m1 stop Dallas/Fort Worth

06:15 - 18:00ONT Ontario-JFK New York John F Kennedy Intl

8h 45m1 stop Phoenix Sky Harbor Intl

£394American Airlines

Fri, 25 Sep - Sat, 26 Sep

09:55 - 17:18JFK New York John F Kennedy Intl-ONT Ontario

10h 23m1 stop Portland

19:13 - 07:25ONT Ontario-JFK New York John F Kennedy Intl

9h 12m1 stop Seattle/Tacoma Intl

£397Alaska Airlines

Mon, 28 Sep - Mon, 2 Nov

07:25 - 14:16JFK New York John F Kennedy Intl-ONT Ontario

9h 51m1 stop Seattle/Tacoma Intl

06:02 - 17:59ONT Ontario-JFK New York John F Kennedy Intl

8h 57m1 stop Seattle/Tacoma Intl

£406Alaska Airlines

Mon, 28 Sep - Tue, 29 Sep

15:30 - 22:24JFK New York John F Kennedy Intl-ONT Ontario

9h 54m1 stop Atlanta Hartsfield-Jackson

12:16 - 00:59ONT Ontario-JFK New York John F Kennedy Intl

9h 43m1 stop Atlanta Hartsfield-Jackson

£411Delta

Mon, 28 Sep - Wed, 7 Oct

07:15 - 12:06JFK New York John F Kennedy Intl-ONT Ontario

7h 51m1 stop Phoenix Sky Harbor Intl

12:37 - 23:14ONT Ontario-JFK New York John F Kennedy Intl

7h 37m1 stop Dallas/Fort Worth

£419American Airlines

Wed, 23 Sep - Sat, 26 Sep

07:29 - 13:25JFK New York John F Kennedy Intl-ONT Ontario

8h 56m1 stop Dallas/Fort Worth

08:25 - 22:43ONT Ontario-JFK New York John F Kennedy Intl

11h 18m2 stops Dallas/Fort Worth Charlotte Douglas

£422American Airlines

Fri, 25 Sep - Sat, 26 Sep

16:21 - 22:04JFK New York John F Kennedy Intl-ONT Ontario

8h 43m1 stop Salt Lake City

11:54 - 00:21ONT Ontario-JFK New York John F Kennedy Intl

9h 27m1 stop Seattle/Tacoma Intl

£424Delta

Sat, 26 Sep - Tue, 29 Sep

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JetBlue flights from New York to Ontario

Our best JetBlue deals on New York to Ontario flight tickets

JetBlue

14 Oct

JFK19:00New York John F Kennedy Intl

6h 12m

ONT22:12Ontario

16 Oct

ONT23:05Ontario

5h 18m

JFK07:23New York John F Kennedy Intl

£312

JetBlue

3 Oct

JFK17:59New York John F Kennedy Intl

5h 58m

ONT20:57Ontario

10 Oct

ONT23:05Ontario

5h 18m

JFK07:23New York John F Kennedy Intl

£346

Alaska Airlines flights from New York to Ontario

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

Alaska Airlines

16 Oct

JFK17:20New York John F Kennedy Intl

9h 34m

1 stop

ONT23:54Ontario

24 Oct

ONT07:25Ontario

9h 00m

1 stop

JFK19:25New York John F Kennedy Intl

£245

Alaska Airlines

23 Oct

JFK17:20New York John F Kennedy Intl

9h 34m

1 stop

ONT23:54Ontario

27 Oct

ONT07:25Ontario

9h 00m

1 stop

JFK19:25New York John F Kennedy Intl

£278

Alaska Airlines

5 Jan

JFK07:00New York John F Kennedy Intl

11h 20m

1 stop

ONT15:20Ontario

8 Jan

ONT07:10Ontario

9h 13m

1 stop

JFK19:23New York John F Kennedy Intl

£280

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Sat 31/10

06:00-11:06

1 stop8h 06m

Ontario

Fri 6/11

12:16-00:59

1 stop9h 43m

£243

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Sat 31/10

06:00-11:06

1 stop8h 06m

Ontario

Fri 6/11

12:16-00:59

1 stop9h 43m

£244

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Fri 16/10

20:25-10:17

1 stop16h 52m

Ontario

Tue 20/10

06:02-22:29

1 stop13h 27m

£245

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Sat 31/10

06:00-11:06

1 stop8h 06m

Ontario

Fri 6/11

12:16-00:59

1 stop9h 43m

£246

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Tue 27/10

07:58-15:16

2 stops10h 18m

Ontario

Wed 28/10

09:41-21:30

1 stop8h 49m

£249

Fastest return journey

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Fri 16/10

18:29-23:55

1 stop8h 26m

Ontario

Wed 28/10

12:16-22:33

1 stop7h 17m

£263

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Wed 7/10

07:10-17:12

1 stop13h 02m

Ontario

Wed 14/10

18:00-07:11

1 stop10h 11m

£264

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Wed 21/10

07:10-17:12

1 stop13h 02m

Ontario

Fri 23/10

11:56-00:21

1 stop9h 25m

£267

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Thu 29/10

18:30-23:55

1 stop8h 25m

Ontario

Sat 14/11

13:15-23:55

1 stop7h 40m

£273

New YorkOntario

JFK New York John F Kennedy Intl - ONT Ontario

JFKONT

New York John F Kennedy Intl

Fri 23/10

17:20-23:54

1 stop9h 34m

Ontario

Sat 24/10

07:25-19:25

1 stop9h 00m

£278

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?

Prices are currently typical for flights on this route.

Typical prices usually range from £237 to £350.
The lowest price recently found on this route was £243.

What is the cheapest month to fly to Ontario?

The month of February is, on average, the cheapest month to fly to Ontario from New York, with most prices found around £274. If you’re not able to fly to Ontario in February, then July is your next best option. Flight prices from New York to Ontario during July average around £280.

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 £320 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 £136 on momondo.

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

You could potentially save up to 63% 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 September 2026, prices for New York to Ontario flights are approximately 12% 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	£123
Fastest flight time	8h 20m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from New York in the past 72 hours is £123. The best return flight deal from New York to Ontario found on momondo in the last 72 hours is £243.

The fastest flight from New York to Ontario takes 8h 20m

Direct flights go from New York to Ontario every day.

There is 1 airport in Ontario. From New York there are direct flights to Ontario (ONT).

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 20m.
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 28.90% of all bookings. The subsequent popular models are Airbus A318/A319/A320/A321 at 19.77%, Airbus A220-300 at 9.51%, and Airbus A321neo at 6.08%.

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.