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

Our cheapest airline available from New York John F Kennedy Intl Airport to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $238 on this airline. Additional options worth looking into are JetBlue and Alaska Airlines, starting at $257 and $269 round-trip. These flights start at 41% lower than the current average price 3 months from now.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $118. Users have also found prices from $129 and $131 on JetBlue and Alaska Airlines, respectively.

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

Looking for the cheapest flight from New York John F Kennedy Intl Airport to Ontario? While on average our users pay $262, our data indicates the cheapest price to be $111. The most popular route (New York John F Kennedy Intl - Ontario), is priced around $250.

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

Before booking your flight from New York John F Kennedy Intl Airport to Ontario check out the most popular airlines for this route: American Airlines, JetBlue or Delta.

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

Flights from New York John F Kennedy Intl Airport to Ontario are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Ontario. Flights to Ontario from New York John F Kennedy Intl Airport in September are about $383 on average during September, but can be found for as low as $140.

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

Most trusted provider : When it comes to deals on New York John F Kennedy Intl Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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 New York John F Kennedy Intl Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

For a flight from New York John F Kennedy Intl to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from New York John F Kennedy Intl per day. 4 airlines have flights to Ontario from New York John F Kennedy Intl on a regular basis.

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

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

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

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

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

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

$118+ Flights from New York John F Kennedy Intl Airport, NY to Ontario

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1. Tell us where you want to go

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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.

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Cheapflights Tip: The best prices from New York John F Kennedy Intl to Ontario are usually found in January or September, booked 59 days in advance, depart on a Saturday or Tuesday and return on a Monday

Cheap flight deals from John F Kennedy Intl to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$238 (Frontier)
One-way from	$118 (Mytrip)
Popular in	February
Cheapest in	January
Average price	$356
Good round-trip deal	$312 or less
Good one-way deal	$128 or less

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

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

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From New York John F Kennedy Intl to Ontario

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

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High demand for flights, 1% potential price rise

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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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

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

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Find flight deals from John F Kennedy Intl to Ontario

Cheapest flights from John F Kennedy Intl to Ontario
Explore the most affordable flight options available from John F Kennedy Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Thu 5/86:59 amJFK - ONT

1 stop13h 46mFrontier

Sat 5/171:15 pmONT - JFK

1 stop13h 15mFrontier

Deal found 4/2

$238

Tue 5/66:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Thu 5/810:59 pmONT - JFK

Nonstop5h 20mJetBlue

Deal found 4/3

$257

Mon 9/155:29 pmJFK - ONT

1 stop9h 30mMultiple Airlines

Mon 9/227:17 pmONT - JFK

1 stop9h 03mMultiple Airlines

Deal found 4/3

$264

Tue 9/167:27 amJFK - ONT

1 stop9h 39mAlaska Airlines

Mon 9/227:17 pmONT - JFK

1 stop9h 03mAlaska Airlines

Deal found 4/4

$269

Wed 4/232:35 pmJFK - ONT

2 stops10h 35mAmerican Airlines

Tue 4/297:25 pmONT - JFK

1 stop7h 10mAmerican Airlines

Deal found 4/2

$282

Tue 9/166:00 amJFK - ONT

1 stop8h 24mDelta

Wed 9/2412:00 pmONT - JFK

1 stop9h 52mDelta

Deal found 4/4

$287

Fri 5/24:30 pmJFK - ONT

1 stop10h 29mHawaiian Airlines

Fri 5/94:29 pmONT - JFK

1 stop10h 31mHawaiian Airlines

Deal found 4/3

$318

Best flights from John F Kennedy Intl to Ontario
Discover carefully curated flight deals from John F Kennedy Intl to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Thu 5/86:59 amJFK - ONT

1 stop13h 46mFrontier

Sat 5/171:15 pmONT - JFK

1 stop13h 15mFrontier

Deal found 4/2

$238

Tue 5/66:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Tue 5/1310:59 pmONT - JFK

Nonstop5h 20mJetBlue

Deal found 4/3

$257

Mon 9/155:29 pmJFK - ONT

1 stop9h 30mMultiple Airlines

Mon 9/227:17 pmONT - JFK

1 stop9h 03mMultiple Airlines

Deal found 4/4

$264

Tue 9/167:27 amJFK - ONT

1 stop9h 39mAlaska Airlines

Mon 9/227:17 pmONT - JFK

1 stop9h 03mAlaska Airlines

Deal found 4/4

$269

Wed 4/232:35 pmJFK - ONT

2 stops10h 35mAmerican Airlines

Tue 4/297:25 pmONT - JFK

1 stop7h 10mAmerican Airlines

Deal found 4/2

$282

Tue 9/166:00 amJFK - ONT

1 stop8h 24mDelta

Tue 9/2310:59 pmONT - JFK

1 stop9h 14mDelta

Deal found 4/4

$287

Fri 5/24:30 pmJFK - ONT

1 stop10h 29mHawaiian Airlines

Fri 5/94:29 pmONT - JFK

1 stop10h 31mHawaiian Airlines

Deal found 4/3

$318

Last-minute flights from John F Kennedy Intl to Ontario
Discover last-minute flight deals from John F Kennedy Intl to Ontario. Data last updated April 4, 2025 and is based on user searches.

Wed 4/96:59 amJFK - ONT

1 stop11h 05mFrontier

Wed 4/162:43 pmONT - JFK

1 stop11h 47mFrontier

Deal found 4/2

$269

Thu 4/106:59 amJFK - ONT

1 stop11h 05mMultiple Airlines

Sun 4/206:00 amONT - JFK

1 stop10h 07mMultiple Airlines

Deal found 4/4

$798

Fri 4/116:46 pmJFK - ONT

1 stop32h 13mAlaska Airlines

Tue 4/156:00 amONT - JFK

1 stop10h 07mAlaska Airlines

Deal found 4/4

$631

Mon 4/144:30 pmJFK - ONT

1 stop9h 06mDelta

Wed 4/235:15 pmONT - JFK

1 stop10h 12mDelta

Deal found 4/3

$409

Mon 4/142:30 pmJFK - ONT

2 stops10h 28mAmerican Airlines

Mon 4/2811:59 pmONT - JFK

2 stops10h 06mAmerican Airlines

Deal found 4/4

$423

Mon 4/144:00 pmJFK - ONT

1 stop10h 59mHawaiian Airlines

Tue 4/296:00 amONT - JFK

1 stop10h 08mHawaiian Airlines

Deal found 4/3

$800

Tue 4/227:20 amJFK - ONT

1 stop11h 12mAlaska Airlines

Tue 4/296:00 amONT - JFK

1 stop10h 08mAlaska Airlines

Deal found 4/4

$269

Wed 4/232:35 pmJFK - ONT

2 stops10h 35mAmerican Airlines

Tue 4/297:25 pmONT - JFK

1 stop7h 10mAmerican Airlines

Deal found 4/2

$282

Fri 4/254:30 pmJFK - ONT

1 stop10h 29mMultiple Airlines

Fri 5/22:28 pmONT - JFK

1 stop12h 02mMultiple Airlines

Deal found 4/2

$279

Sat 4/2610:00 amJFK - ONT

1 stop9h 33mDelta

Sat 5/35:30 pmONT - JFK

1 stop10h 55mDelta

Deal found 4/4

$287

Fri 5/24:30 pmJFK - ONT

1 stop10h 29mHawaiian Airlines

Fri 5/94:29 pmONT - JFK

1 stop10h 31mHawaiian Airlines

Deal found 4/3

$318

Tue 5/66:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Tue 5/1310:59 pmONT - JFK

Nonstop5h 20mJetBlue

Deal found 4/3

$257

One-way flights from John F Kennedy Intl to Ontario
Search for one-way flight options from John F Kennedy Intl to Ontario. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Thu 4/241:00 pmJFK - ONT

1 stop8h 40mFrontier

Deal found 4/2

$118

Tue 5/136:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Deal found 4/3

$129

Tue 4/227:20 amJFK - ONT

1 stop11h 12mAlaska Airlines

Deal found 4/4

$131

Sat 4/196:25 amJFK - ONT

2 stops10h 24mAmerican Airlines

Deal found 4/4

$144

Thu 4/246:48 pmJFK - ONT

1 stop7h 53mDelta

Deal found 4/3

$170

Mon 9/155:29 pmJFK - ONT

1 stop9h 30mHawaiian Airlines

Deal found 4/4

$178

Tue 5/136:55 amJFK - ONT

3 stops16h 58mUnited Airlines

Deal found 4/4

$269

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 5/8

6:59 am-3:39 pm

1 stop11h 40m

Ontario

Mon 5/19

6:47 pm-11:59 am

1 stop14h 12m

$238

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 5/6

6:00 pm-9:11 pm

Nonstop6h 11m

Ontario

Thu 5/8

10:59 pm-7:19 am

Nonstop5h 20m

$257

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Mon 9/15

5:29 pm-11:59 pm

1 stop9h 30m

Ontario

Mon 9/22

7:17 pm-7:20 am

1 stop9h 03m

$264

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 9/16

7:27 am-2:06 pm

1 stop9h 39m

Ontario

Mon 9/22

7:17 pm-7:20 am

1 stop9h 03m

$269

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 4/23

2:35 pm-10:10 pm

2 stops10h 35m

Ontario

Tue 4/29

7:25 pm-5:35 am

1 stop7h 10m

$282

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 9/16

12:25 pm-7:42 pm

1 stop10h 17m

Ontario

Tue 9/23

12:00 pm-12:52 am

1 stop9h 52m

$287

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 5/2

4:30 pm-11:59 pm

1 stop10h 29m

Ontario

Fri 5/9

4:29 pm-6:00 am

1 stop10h 31m

$318

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 4/24

1:00 pm-6:40 pm

1 stop8h 40m

$118

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 5/13

6:00 pm-9:11 pm

Nonstop6h 11m

$129

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 4/22

7:20 am-3:32 pm

1 stop11h 12m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 14 results

Compare providers for flights from John F Kennedy Intl to Ontario

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
Priceline	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 New York John F Kennedy Intl Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York John F Kennedy Intl Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York John F Kennedy Intl Airport-Ontario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on New York John F Kennedy Intl Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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 New York John F Kennedy Intl Airport-Ontario 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 John F Kennedy Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from John F Kennedy Intl 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 New York John F Kennedy Intl Airport to Ontario

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

The price you pay for your flight from New York John F Kennedy Intl Airport to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 59 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 New York John F Kennedy Intl Airport to Ontario?

Currently, August is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Ontario (average of $246). Flying from New York John F Kennedy Intl Airport to Ontario in March is currently the most expensive (average of $328). 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 JFK to ONT?

When flying from New York John F Kennedy Intl Airport to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 26% versus a flight in the evening.

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

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

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

To help decide which airline to fly from New York to Ontario, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines

8.0

Very good

9,839 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta

8.0

Very good

7,900 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines

7.9

Good

2,349 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines

7.4

Good

8,618 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

JetBlue

7.3

Good

2,920 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

What airport do you fly into for flights to Ontario from New York John F Kennedy Intl?
For a flight from New York John F Kennedy Intl to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from New York John F Kennedy Intl per day. 4 airlines have flights to Ontario from New York John F Kennedy Intl on a regular basis.
What are the cheapest airlines flying from New York John F Kennedy Intl Airport to Ontario round-trip?
Our cheapest airline available from New York John F Kennedy Intl Airport to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $238 on this airline. Additional options worth looking into are JetBlue and Alaska Airlines, starting at $257 and $269 round-trip. These flights start at 41% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from New York John F Kennedy Intl Airport to Ontario one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $118. Users have also found prices from $129 and $131 on JetBlue and Alaska Airlines, respectively.
What are the cheapest flights from New York John F Kennedy Intl Airport to Ontario?
Looking for the cheapest flight from New York John F Kennedy Intl Airport to Ontario? While on average our users pay $262, our data indicates the cheapest price to be $111. The most popular route (New York John F Kennedy Intl - Ontario), is priced around $250.
Can I find deals for flights from John F Kennedy Intl to Ontario that include hotel bookings?
Yes. In addition to deals on John F Kennedy Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from John F Kennedy Intl to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from John F Kennedy Intl to Ontario.
Can I find deals for business class flights from John F Kennedy Intl to Ontario?
Yes. Cheapflights offers flight deals from John F Kennedy Intl to Ontario 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 New York John F Kennedy Intl Airport to Ontario?
Currently, August is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Ontario (average of $246). Flying from New York John F Kennedy Intl Airport to Ontario in March is currently the most expensive (average of $328). 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

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Top 4 airlines flying from John F Kennedy Intl to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$97	Average$236	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$197	Average$418	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$230	Average$427	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$257	Average$389	FlexibilityNo cancel fee	On-time71%

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$118+ Cheap flights from John F Kennedy Intl, NY (JFK) to Ontario (ONT)

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from John F Kennedy Intl to Ontario 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 New York John F Kennedy Intl to Ontario are usually found in January or September, booked 59 days in advance, depart on a Saturday or Tuesday and return on a Monday

Cheap flight deals from John F Kennedy Intl to Ontario

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 John F Kennedy Intl to Ontario

Cheapest flights from John F Kennedy Intl to OntarioExplore the most affordable flight options available from John F Kennedy Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Explore the most affordable flight options available from John F Kennedy Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from John F Kennedy Intl to Ontario

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 John F Kennedy Intl to Ontario in April.

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

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from John F Kennedy Intl to Ontario. Price data was last updated on March 28, 2025.

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

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

Find hourly flight availability from John F Kennedy Intl to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2025.

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

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

To help decide which airline to fly from New York to Ontario, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from John F Kennedy Intl to Ontario. 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 into for flights to Ontario from New York John F Kennedy Intl?

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

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

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

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

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

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

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

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Alternative routes for John F Kennedy Intl to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from John F Kennedy Intl to Ontario

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Cheapest flights from John F Kennedy Intl to Ontario
Explore the most affordable flight options available from John F Kennedy Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.