What are the cheapest airlines flying from Ontario to New York John F Kennedy Intl Airport round-trip?

Flying on Frontier is currently your cheapest option to New York John F Kennedy Intl Airport, with prices starting at $211. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and JetBlue, with the lowest prices starting at $269 and $277, respectively. Frontier is priced at 43% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Ontario to New York John F Kennedy Intl Airport one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $125. Alaska Airlines flights start at $138 while deals on JetBlue start at $144 one-way.

What are the cheapest flights from Ontario to New York John F Kennedy Intl Airport?

The cheapest flight price from Ontario to New York John F Kennedy Intl Airport is $121. On average you can expect to pay $256. The most popular route, (Ontario - New York John F Kennedy Intl), can usually be booked for $206.

What are the most popular airlines that fly from Ontario to New York John F Kennedy Intl Airport?

American Airlines, Alaska Airlines and JetBlue are the most popular airlines when flying from Ontario to New York John F Kennedy Intl Airport.

What is the cheapest day to fly round-trip from Ontario to New York John F Kennedy Intl Airport?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Ontario to New York John F Kennedy Intl Airport?

Our data shows that January tends to be the cheapest month to fly to New York John F Kennedy Intl Airport from Ontario. Users have commonly found prices around $361 for the month, but tickets can be as low as $137. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Ontario-New York John F Kennedy Intl Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Ontario-New York John F Kennedy Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-New York John F Kennedy Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Ontario to New York John F Kennedy Intl?

Most people fly from Ontario (ONT) if they book a flight from Ontario to New York John F Kennedy Intl. On average, Ontario has 0 outbound flights to New York John F Kennedy Intl per day from 5 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Can I find deals for flights from Ontario to John F Kennedy Intl that include hotel bookings?

Yes. In addition to deals on Ontario to John F Kennedy Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to John F Kennedy Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to John F Kennedy Intl.

Can I find deals for business class flights from Ontario to John F Kennedy Intl?

Yes. Cheapflights offers flight deals from Ontario to John F Kennedy Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$125+ Flights from Ontario to New York John F Kennedy Intl Airport, NY

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Find cheap flights from Ontario to John F Kennedy Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Ontario to New York John F Kennedy Intl are usually found in January or September, booked 68 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Ontario to John F Kennedy Intl

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$211 (CheapOair)
One-way from	$125 (Trip.com)
Popular in	June
Cheapest in	January
Average price	$332
Good round-trip deal	$287 or less
Good one-way deal	$138 or less

Provider with most accurate pricing for Ontario-New York John F Kennedy Intl flight deals.

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Provider most trusted by Cheapflights users for Ontario-New York John F Kennedy Intl flights.

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From Ontario to New York John F Kennedy Intl

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One-way flight from Ontario to New York John F Kennedy Intl

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Highest demand for flights based on searches. 12% potential increase in price ($55 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Ontario to New York John F Kennedy Intl.

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Price to beat on a one-way flight from Ontario to New York John F Kennedy Intl.

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Find flight deals from Ontario to John F Kennedy Intl

Cheapest flights from Ontario to John F Kennedy Intl
Explore the most affordable flight options available from Ontario to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Fri 5/308:38 pmONT - JFK

1 stop12h 20mFrontier

Tue 6/36:59 amJFK - ONT

1 stop16h 52mFrontier

Deal found 4/28

$211

Sat 9/1311:00 pmONT - JFK

Nonstop5h 23mJetBlue

Tue 9/166:35 pmJFK - ONT

Nonstop6h 06mJetBlue

Deal found 4/27

$257

Wed 5/286:00 amONT - JFK

1 stop10h 29mAlaska Airlines

Tue 6/37:29 amJFK - ONT

1 stop11h 21mAlaska Airlines

Deal found 4/27

$269

Sat 9/68:04 pmONT - JFK

1 stop7h 26mAmerican Airlines

Sat 9/132:50 pmJFK - ONT

2 stops9h 50mAmerican Airlines

Deal found 4/26

$282

Sat 7/265:50 pmONT - JFK

1 stop9h 10mDelta

Sat 8/1612:25 pmJFK - ONT

1 stop10h 04mDelta

Deal found 4/28

$287

Tue 5/204:45 pmONT - JFK

1 stop10h 24mMultiple Airlines

Sun 5/256:59 amJFK - ONT

1 stop12h 32mMultiple Airlines

Deal found 4/27

$288

Best flights from Ontario to John F Kennedy Intl
Discover carefully curated flight deals from Ontario to John F Kennedy Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Fri 5/308:38 pmONT - JFK

1 stop12h 20mFrontier

Tue 6/36:59 amJFK - ONT

1 stop16h 52mFrontier

Deal found 4/28

$211

Wed 5/286:00 amONT - JFK

1 stop10h 29mAlaska Airlines

Tue 6/37:29 amJFK - ONT

1 stop11h 21mAlaska Airlines

Deal found 4/27

$269

Tue 5/2710:59 pmONT - JFK

Nonstop5h 20mJetBlue

Tue 6/36:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Deal found 4/27

$277

Sat 7/265:50 pmONT - JFK

1 stop9h 10mDelta

Sat 8/1612:25 pmJFK - ONT

1 stop10h 04mDelta

Deal found 4/28

$287

Tue 5/204:45 pmONT - JFK

1 stop10h 24mMultiple Airlines

Sun 5/256:59 amJFK - ONT

1 stop12h 32mMultiple Airlines

Deal found 4/27

$288

Thu 5/2911:59 pmONT - JFK

2 stops10h 05mAmerican Airlines

Wed 6/411:30 amJFK - ONT

2 stops9h 53mAmerican Airlines

Deal found 4/27

$302

Last-minute flights from Ontario to John F Kennedy Intl
Discover last-minute flight deals from Ontario to John F Kennedy Intl. Data last updated April 29, 2025 and is based on user searches.

Sat 5/36:00 amONT - JFK

1 stop10h 08mHawaiian Airlines

Sun 5/44:30 pmJFK - ONT

1 stop10h 29mHawaiian Airlines

Deal found 4/27

$508

Mon 5/52:28 pmONT - JFK

1 stop12h 02mFrontier

Wed 5/76:59 amJFK - ONT

1 stop8h 09mFrontier

Deal found 4/28

$211

Mon 5/510:40 pmONT - JFK

Nonstop5h 20mJetBlue

Tue 5/206:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Deal found 4/27

$523

Tue 5/612:07 pmONT - JFK

1 stop9h 49mDelta

Sat 5/176:00 amJFK - ONT

1 stop8h 08mDelta

Deal found 4/27

$399

Thu 5/84:29 pmONT - JFK

1 stop10h 31mAlaska Airlines

Tue 5/137:20 amJFK - ONT

1 stop11h 12mAlaska Airlines

Deal found 4/27

$373

Thu 5/86:01 amONT - JFK

2 stops10h 14mAmerican Airlines

Mon 5/125:10 pmJFK - ONT

1 stop7h 47mAmerican Airlines

Deal found 4/27

$438

Tue 5/202:55 pmONT - JFK

1 stop12h 19mDelta

Tue 5/276:00 amJFK - ONT

1 stop8h 08mDelta

Deal found 4/27

$287

Tue 5/204:45 pmONT - JFK

1 stop10h 24mMultiple Airlines

Sun 5/256:59 amJFK - ONT

1 stop12h 32mMultiple Airlines

Deal found 4/27

$288

Tue 5/207:30 amONT - JFK

1 stop10h 30mAmerican Airlines

Sun 5/256:30 amJFK - ONT

2 stops10h 22mAmerican Airlines

Deal found 4/27

$297

Tue 5/2710:59 pmONT - JFK

Nonstop5h 20mJetBlue

Tue 6/36:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Deal found 4/27

$277

Wed 5/286:00 amONT - JFK

1 stop10h 29mAlaska Airlines

Tue 6/37:29 amJFK - ONT

1 stop11h 21mAlaska Airlines

Deal found 4/27

$269

Fri 5/308:38 pmONT - JFK

1 stop12h 20mFrontier

Tue 6/36:59 amJFK - ONT

1 stop16h 52mFrontier

Deal found 4/28

$211

One-way flights from Ontario to John F Kennedy Intl
Search for one-way flight options from Ontario to John F Kennedy Intl. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Tue 5/276:25 amONT - JFK

1 stop20h 05mFrontier

Deal found 4/28

$125

Tue 7/16:58 pmONT - JFK

1 stop9h 04mAlaska Airlines

Deal found 4/27

$138

Tue 5/2010:59 pmONT - JFK

Nonstop5h 20mJetBlue

Deal found 4/28

$144

Tue 6/245:50 pmONT - JFK

1 stop10h 30mDelta

Deal found 4/28

$154

Thu 10/28:04 pmONT - JFK

1 stop7h 26mAmerican Airlines

Deal found 4/28

$164

Tue 5/274:45 pmONT - JFK

1 stop10h 24mHawaiian Airlines

Deal found 4/28

$198

Tue 5/275:10 amONT - JFK

3 stops14h 35mUnited Airlines

Deal found 4/28

$394

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to New York John F Kennedy Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 5/30

8:38 pm-11:58 am

1 stop12h 20m

New York John F Kennedy Intl

Tue 6/3

6:59 am-8:51 pm

1 stop16h 52m

$211

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 9/13

11:00 pm-7:23 am

Nonstop5h 23m

New York John F Kennedy Intl

Wed 9/17

6:35 pm-9:41 pm

Nonstop6h 06m

$257

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 5/20

4:45 pm-6:09 am

1 stop10h 24m

New York John F Kennedy Intl

Tue 6/3

7:29 am-3:50 pm

1 stop11h 21m

$269

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 9/6

8:04 pm-6:30 am

1 stop7h 26m

New York John F Kennedy Intl

Sat 9/13

2:50 pm-9:40 pm

2 stops9h 50m

$282

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 7/26

5:50 pm-6:00 am

1 stop9h 10m

New York John F Kennedy Intl

Sat 8/16

12:25 pm-7:29 pm

1 stop10h 04m

$287

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 5/20

4:45 pm-6:09 am

1 stop10h 24m

New York John F Kennedy Intl

Sun 5/25

6:59 am-4:31 pm

1 stop12h 32m

$288

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 5/27

6:25 am-5:30 am

1 stop20h 05m

$125

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 7/1

6:58 pm-7:02 am

1 stop9h 04m

$138

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 5/20

10:59 pm-7:19 am

Nonstop5h 20m

$144

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 9/25

1:34 pm-11:21 pm

1 stop6h 47m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 13 results

Compare providers for flights from Ontario to John F Kennedy Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to John F Kennedy Intl in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Ontario-New York John F Kennedy Intl Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Ontario-New York John F Kennedy Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-New York John F Kennedy Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to John F Kennedy Intl

Have a flexible travel schedule? Discover the best time to fly to John F Kennedy Intl from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to New York John F Kennedy Intl Airport

How far ahead should I book a flight from Ontario to New York John F Kennedy Intl Airport?

The price you pay for your flight from Ontario to New York John F Kennedy Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ontario to New York John F Kennedy Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $236). Flying from Ontario to New York John F Kennedy Intl Airport in June is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to JFK?

Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Ontario to New York John F Kennedy Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Ontario to New York John F Kennedy Intl Airport?

Travelers seeking maximum savings on their Ontario to New York John F Kennedy Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in John F Kennedy Intl by month

In terms of precipitation, rainfall in New York John F Kennedy Intl Airport ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit New York John F Kennedy Intl Airport when rainfall is around 2.8 in.

Temperature in John F Kennedy Intl by month

If weather is an important factor for your trip to New York John F Kennedy Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing John F Kennedy Intl

See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Ontario to New York have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,949 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,402 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

JetBlue

7.3

Good

2,922 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly from for flights from Ontario to New York John F Kennedy Intl?
Most people fly from Ontario (ONT) if they book a flight from Ontario to New York John F Kennedy Intl. On average, Ontario has 0 outbound flights to New York John F Kennedy Intl per day from 5 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.
What are the cheapest airlines flying from Ontario to New York John F Kennedy Intl Airport round-trip?
Flying on Frontier is currently your cheapest option to New York John F Kennedy Intl Airport, with prices starting at $211. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and JetBlue, with the lowest prices starting at $269 and $277, respectively. Frontier is priced at 43% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Ontario to New York John F Kennedy Intl Airport one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $125. Alaska Airlines flights start at $138 while deals on JetBlue start at $144 one-way.
What are the cheapest flights from Ontario to New York John F Kennedy Intl Airport?
The cheapest flight price from Ontario to New York John F Kennedy Intl Airport is $121. On average you can expect to pay $256. The most popular route, (Ontario - New York John F Kennedy Intl), can usually be booked for $206.
Can I find deals for flights from Ontario to John F Kennedy Intl that include hotel bookings?
Yes. In addition to deals on Ontario to John F Kennedy Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to John F Kennedy Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to John F Kennedy Intl.
Can I find deals for business class flights from Ontario to John F Kennedy Intl?
Yes. Cheapflights offers flight deals from Ontario to John F Kennedy Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ontario to New York John F Kennedy Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $236). Flying from Ontario to New York John F Kennedy Intl Airport in June is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Queens

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Woodbridge

Elizabeth

Ronkonkoma

Yonkers

Secaucus

Parsippany

East Rutherford

Shelton

Absecon

Staten Island

Carteret

Carle Place

Stamford

East Brunswick

Wayne

Fairfield

Saddle Brook

North Bergen

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Top 5 airlines flying from Ontario to John F Kennedy Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$98	Average$217	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$197	Average$398	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$248	Average$369	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$256	Average$388	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$335	Average$395	FlexibilityNo cancel fee	On-time75%

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$125+ Cheap flights from Ontario (ONT) to John F Kennedy Intl, NY (JFK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to John F Kennedy Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ontario to New York John F Kennedy Intl are usually found in January or September, booked 68 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Ontario to John F Kennedy Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ontario to John F Kennedy Intl

Cheapest flights from Ontario to John F Kennedy IntlExplore the most affordable flight options available from Ontario to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Ontario to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to New York John F Kennedy Intl Airport that are best for you.

Compare providers for flights from Ontario to John F Kennedy Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to John F Kennedy Intl in April.

Best time to book a flight from Ontario to John F Kennedy Intl

Have a flexible travel schedule? Discover the best time to fly to John F Kennedy Intl from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to New York John F Kennedy Intl Airport

How far ahead should I book a flight from Ontario to New York John F Kennedy Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to John F Kennedy Intl. Price data was last updated on April 25, 2025.

What is the cheapest month to book a flight from Ontario to New York John F Kennedy Intl Airport?

What is the cheapest time of day to fly from ONT to JFK?

Find hourly flight availability from Ontario to John F Kennedy Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

What is the cheapest day to fly from Ontario to New York John F Kennedy Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Ontario to John F Kennedy Intl. Price data was last updated on December 16, 2024.

Rainfall in John F Kennedy Intl by month

Plan your trip to John F Kennedy Intl by taking into account the average rainfall totals by month.

Temperature in John F Kennedy Intl by month

Plan your trip to John F Kennedy Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing John F Kennedy Intl

See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Ontario to New York have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to John F Kennedy Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ontario to New York John F Kennedy Intl?

What are the cheapest airlines flying from Ontario to New York John F Kennedy Intl Airport round-trip?

What are the cheapest airlines to fly from Ontario to New York John F Kennedy Intl Airport one-way?

What are the cheapest flights from Ontario to New York John F Kennedy Intl Airport?

Can I find deals for flights from Ontario to John F Kennedy Intl that include hotel bookings?

How can I find direct flights from Ontario to John F Kennedy Intl?

Can I find deals for business class flights from Ontario to John F Kennedy Intl?

What is the cheapest month to book a flight from Ontario to New York John F Kennedy Intl Airport?

Traveling to a place near Ontario?

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Alternative routes for Ontario to John F Kennedy Intl

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Top 5 airlines flying from Ontario to John F Kennedy Intl

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Cheapest flights from Ontario to John F Kennedy Intl
Explore the most affordable flight options available from Ontario to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.