HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$97+ Cheap flights from New York State 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — ONT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New York to Ontario 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.

Find flight deals from New York to Ontario

Cheapest flights from New York to Ontario
Explore the most affordable flight options available from New York to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amEWR - ONT
2 stops32h 10mMultiple Airlines
Mon 11/171:46 pmONT - EWR
1 stop16h 48mMultiple Airlines
Deal found 10/27$204
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:32 pmEWR - ONT
1 stop27h 17mMultiple Airlines
Mon 11/171:46 pmONT - EWR
1 stop16h 48mMultiple Airlines
Deal found 10/28$225
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:00 pmJFK - ONT
1 stop22h 10mFrontier
Wed 11/198:45 amONT - JFK
2 stops12h 48mFrontier
Deal found 10/28$237
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:51 pmJFK - ONT
1 stop9h 41mMultiple Airlines
Mon 11/177:44 pmONT - JFK
1 stop7h 46mMultiple Airlines
Deal found 10/28$238
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:00 pmLGA - ONT
1 stop11h 27mFrontier
Mon 11/1710:42 pmONT - LGA
2 stops20h 18mFrontier
Deal found 10/28$238
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:59 amJFK - ONT
1 stop7h 38mFrontier
Fri 11/285:06 pmONT - JFK
1 stop9h 55mFrontier
Deal found 10/28$240
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Thu 1/83:26 pmONT - JFK
1 stop11h 04mFrontier
Deal found 10/27$242
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:00 pmJFK - ONT
1 stop22h 11mFrontier
Fri 11/2112:58 amONT - JFK
1 stop8h 08mFrontier
Deal found 10/27$243
This CheapOair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:00 pmLGA - ONT
1 stop12h 29mFrontier
Sun 11/2312:58 amONT - LGA
1 stop18h 05mFrontier
Deal found 10/28$243
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:30 amJFK - ONT
1 stop16h 36mFrontier
Thu 11/273:31 pmONT - JFK
1 stop11h 30mFrontier
Deal found 10/27$244
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:00 pmJFK - ONT
1 stop8h 27mFrontier
Sat 11/2212:58 amONT - JFK
1 stop8h 08mFrontier
Deal found 10/27$245
This Frontier deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:20 amJFK - ONT
1 stop9h 14mFrontier
Mon 12/155:18 pmONT - JFK
1 stop9h 12mFrontier
Deal found 10/27$246

Cheap flight deals from New York to Ontario

Keep the following information in mind while searching for New York to Ontario flight deals. Data was last updated October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$204
(Kiwi.com)

One-way from

$97
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$371

Good round-trip deal

$367 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for New York (NYC)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Los Angeles flights.
Search Deals
From New York to Ontario
Search Deals
One-way flight from New York to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from New York to Ontario.
Search Deals
Price to beat on a one-way flight from New York to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New York to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from New York State to Ontario that are best for you.

Fly from

New York

Fly to

Ontario

Route

Depart

Return

Price

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 2/18

4:00 pm-10:37 pm

1 stop9h 37m

Ontario

Sat 2/28

6:55 pm-7:54 am

1 stop9h 59m

$250

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 2/25

11:30 am-6:17 pm

1 stop9h 47m

Ontario

Wed 3/4

6:55 pm-7:54 am

1 stop9h 59m

$250

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 2/25

4:00 pm-10:37 pm

1 stop9h 37m

Ontario

Sun 3/1

6:00 am-7:29 pm

1 stop10h 29m

$253

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 2/18

4:00 pm-10:37 pm

1 stop9h 37m

Ontario

Thu 2/26

6:55 pm-7:54 am

1 stop9h 59m

$253

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Sun 2/1

4:22 pm-11:56 pm

1 stop10h 34m

Ontario

Sat 2/28

6:00 am-7:29 pm

1 stop10h 29m

$253

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 3/3

4:00 pm-10:37 pm

1 stop9h 37m

Ontario

Tue 3/10

6:00 am-7:29 pm

1 stop10h 29m

$253

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 1/20

11:30 am-8:36 pm

1 stop12h 06m

Ontario

Sun 1/25

6:00 am-7:28 pm

1 stop10h 28m

$253

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 1/22

4:22 pm-11:56 pm

1 stop10h 34m

Ontario

Sun 1/25

6:00 am-7:28 pm

1 stop10h 28m

$256

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 2/6

4:22 pm-11:56 pm

1 stop10h 34m

Ontario

Mon 2/9

6:00 am-7:28 pm

1 stop10h 28m

$256

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 1/22

4:22 pm-11:56 pm

1 stop10h 34m

Ontario

Mon 1/26

6:00 am-7:28 pm

1 stop10h 28m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from New York to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from New York 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 State to Ontario

What is the cheapest month to book a flight from State of New York to Ontario?

Currently, May is the cheapest month in which you can book a flight from State of New York to Ontario (average of $87). Flying from State of New York to Ontario in December is currently the most expensive (average of $179). 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 NY to ONT?

Find hourly flight availability from New York 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 October 29, 2025.

It’s typically best to fly out from State of New York to Ontario in the evening. Doing so could potentially save you 31% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from State of New York to Ontario?

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

Travelers seeking maximum savings on their State of New York to Ontario flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from State of New York to Ontario?

Related info for your journey

Find useful and relevant information for your journey from New York 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?

    For a flight from New York to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from State of New York to Ontario?

    Airlines like Alaska Airlines, Delta, and Southwest fly from State of New York to Ontario in about 7h 35m. The time it takes to get you to your destination can typically vary by up to 2h 02m. State of New York and Ontario are separated by a distance of 2221 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of New York to Ontario one-way?

    $117 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $132 and $148, respectively.

  • What are the most popular routes from State of New York to Ontario?

    The most popular flight routes from State of New York to Ontario are Newark - Ontario, New York John F Kennedy Intl - Ontario and New York LaGuardia - Ontario.

  • What are the most reliable airlines from State of New York to Ontario?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from State of New York to Ontario on time: Air Serbia (71%), Etihad Airways (58%), JetBlue (58%).

  • What are the cheapest flights from State of New York to Ontario?

    Looking at all options, your cheapest flight can be booked for $143. While the most popular route (Newark - Ontario) can be booked for $279 on average, our data indicates $458 when flying from State of New York to Ontario.

  • Can I find deals for flights from New York to Ontario that include hotel bookings?

    Yes. In addition to deals on New York to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New York to Ontario?

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

  • Can I find deals for business class flights from New York to Ontario?

    Yes. Cheapflights offers flight deals from New York 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 State of New York to Ontario?

    Currently, May is the cheapest month in which you can book a flight from State of New York to Ontario (average of $87). Flying from State of New York to Ontario in December is currently the most expensive (average of $179). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New York to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Seattle to Los Angeles flights
San Francisco to Los Angeles flights
Newark to Los Angeles flights
Los Angeles to San Francisco flights
Newark to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Newark to San Francisco flights
San Francisco to Las Vegas flights
O'Hare Intl to Las Vegas flights
Dulles Intl to Las Vegas flights
LaGuardia to Los Angeles flights
Seattle to Las Vegas flights
Atlanta to Las Vegas flights
Denver to Las Vegas flights
Seattle to San Diego flights
Los Angeles to Las Vegas flights
LaGuardia to Las Vegas flights
Boston to Las Vegas flights
Seattle to Ontario flights
Reagan-National to Los Angeles flights
Boston to Los Angeles flights
Santa Ana to San Francisco flights
Minneapolis to Las Vegas flights
LaGuardia to San Francisco flights
O'Hare Intl to Los Angeles flights
Dulles Intl to Los Angeles flights
Dallas/Fort Worth to San Francisco flights
Seattle to Santa Ana flights
San Francisco to Santa Ana flights
Baltimore to Las Vegas flights
Portland to Los Angeles flights
San Francisco to Ontario flights
Burbank to Las Vegas flights
Seattle to San Francisco flights
Reagan-National to Las Vegas flights
Hobby to Las Vegas flights
San Jose to Las Vegas flights
Baltimore to Los Angeles flights
Atlanta to Los Angeles flights
John F Kennedy Intl to San Diego flights
Orlando to Las Vegas flights
Ontario to San Francisco flights
O'Hare Intl to San Francisco flights
Los Angeles to Sacramento flights
Cleveland to Las Vegas flights
Los Angeles to San Jose flights

Top 7 airlines flying from New York to Ontario

Discover the top 7 airlines that operate flights from New York to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$265FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$116Average$184FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$192Average$444FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$236Average$410FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$250Average$337FlexibilityNo cancel feeOn-time62%
DeltaCheapest$260Average$436FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$266Average$478FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.