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Ontario

$98+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — ONT
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This CheapOair deal was found by Cheapflights users on 12/14. 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 12/314:29 pmJFK - ONT
1 stop10h 30mFrontier
Wed 1/77:00 amONT - JFK
1 stop25h 52mFrontier
Deal found 12/14$228
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Wed 1/77:00 amONT - JFK
1 stop25h 52mFrontier
Deal found 12/14$243
This Frontier deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:00 pmLGA - ONT
1 stop13h 53mFrontier
Sat 1/177:15 amONT - LGA
1 stop6h 40mFrontier
Deal found 12/16$246
This Frontier deal was found by Cheapflights users on 12/14. 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.
Wed 12/314:29 pmJFK - ONT
1 stop10h 30mFrontier
Mon 1/56:00 pmONT - JFK
1 stop8h 29mFrontier
Deal found 12/14$248
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Tue 1/64:04 pmONT - JFK
2 stops14h 56mFrontier
Deal found 12/14$253
This Frontier deal was found by Cheapflights users on 12/16. 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.
Wed 12/1710:08 pmLGA - ONT
1 stop13h 45mFrontier
Mon 1/126:00 amONT - LGA
1 stop13h 00mFrontier
Deal found 12/16$253
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:00 pmLGA - ONT
1 stop13h 53mFrontier
Wed 1/77:00 amONT - LGA
1 stop12h 00mFrontier
Deal found 12/15$257
This CheapOair deal was found by Cheapflights users on 12/14. 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 12/3110:00 pmLGA - ONT
1 stop13h 53mFrontier
Thu 1/88:31 amONT - LGA
1 stop9h 34mFrontier
Deal found 12/14$258
This CheapOair deal was found by Cheapflights users on 12/15. 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 12/314:29 pmJFK - ONT
1 stop10h 30mFrontier
Tue 1/64:04 pmONT - JFK
1 stop11h 26mFrontier
Deal found 12/15$259
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Mon 1/56:00 pmONT - JFK
1 stop8h 29mFrontier
Deal found 12/14$262
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/156:59 amJFK - ONT
1 stop17h 18mFrontier
Wed 1/77:00 amONT - JFK
1 stop25h 52mFrontier
Deal found 12/14$265
This Frontier deal was found by Cheapflights users on 12/13. 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.
Wed 12/314:29 pmJFK - ONT
1 stop10h 30mFrontier
Fri 1/92:34 pmONT - JFK
1 stop12h 56mFrontier
Deal found 12/13$268

Find 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 December 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$205
(Kiwi.com)

One-way from

$98
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$471

Good round-trip deal

$367 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. 6% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip 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 December 16, 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

Thu 1/29

4:22 pm-11:56 pm

1 stop10h 34m

Ontario

Mon 2/2

6:00 am-7:28 pm

1 stop10h 28m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 2/10

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Wed 2/18

6:14 am-7:10 pm

1 stop9h 56m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 1/30

5:17 pm-1:06 pm

1 stop22h 49m

Ontario

Sun 2/1

5:59 pm-3:18 pm

1 stop18h 19m

$246

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 2/17

5:00 pm-11:52 pm

1 stop9h 52m

Ontario

Tue 2/24

6:14 am-7:10 pm

1 stop9h 56m

$250

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 3/31

4:00 pm-10:38 pm

1 stop9h 38m

Ontario

Tue 4/7

6:55 pm-7:14 am

1 stop9h 19m

$256

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 2/26

4:00 pm-9:05 pm

1 stop8h 05m

Ontario

Tue 3/10

10:30 pm-8:40 am

1 stop7h 10m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 1/9

2:59 pm-9:05 pm

1 stop9h 06m

Ontario

Sun 1/11

10:30 pm-8:48 am

1 stop7h 18m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 2/13

8:22 am-9:05 pm

2 stops15h 43m

Ontario

Mon 2/16

10:20 pm-9:47 am

1 stop8h 27m

$262

RochesterOntario

ROC - ONT

ROCONT

Greater Rochester Intl

Wed 3/11

1:49 pm-9:24 pm

1 stop10h 35m

Ontario

Wed 3/18

6:15 am-8:12 pm

2 stops10h 57m

$264

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 2/10

1:05 pm-9:05 pm

2 stops11h 00m

Ontario

Sat 2/14

10:20 pm-11:59 am

2 stops10h 39m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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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, December is the cheapest month in which you can book a flight from State of New York to Ontario (average of $84). Flying from State of New York to Ontario in July is currently the most expensive (average of $141). 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 December 16, 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.

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 American Airlines fly from State of New York to Ontario in about 8h 05m. The time it takes to get you to your destination can typically vary by up to 2h 30m. State of New York and Ontario are separated by a distance of 2417 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?

    $40 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Southwest, with prices starting from $70 and $96, 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 New York John F Kennedy Intl - Ontario, Newark - 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: Etihad Airways (50%), JetBlue (50%), Air Serbia (0%).

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

    Looking at all options, your cheapest flight can be booked for $247. While the most popular route (New York John F Kennedy Intl - Ontario) can be booked for $159 on average, our data indicates $652 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, December is the cheapest month in which you can book a flight from State of New York to Ontario (average of $84). Flying from State of New York to Ontario in July is currently the most expensive (average of $141). 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.

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Alternative routes for New York to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$272FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$116Average$184FlexibilityNo cancel feeOn-time65%
DeltaCheapest$148Average$437FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$192Average$442FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$236Average$424FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$250Average$336FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$472FlexibilityNo cancel feeOn-time69%

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