Ontario

$103+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — ONT
Mar 21 — Mar 281
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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 February 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 5/1210:55 pm
LGA
-
ONT
2 stops28h 00m
Multiple Airlines
Sat 5/168:00 am
ONT
-
LGA
1 stop8h 49m
Multiple Airlines
Deal found 2/17$237
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 am
LGA
-
ONT
1 stop31h 39m
Multiple Airlines
Mon 4/2711:44 am
ONT
-
LGA
2 stops21h 20m
Multiple Airlines
Deal found 2/15$240
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/116:20 am
LGA
-
ONT
2 stops20h 39m
Frontier
Mon 3/165:20 pm
ONT
-
LGA
1 stop24h 45m
Frontier
Deal found 2/17$242
This Frontier deal was found by Cheapflights users on 2/16. 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.
Sat 5/97:30 am
JFK
-
ONT
1 stop13h 53m
Frontier
Sat 5/167:18 pm
ONT
-
JFK
1 stop8h 12m
Frontier
Deal found 2/16$242
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Sun 4/1210:00 pm
LGA
-
ONT
1 stop28h 56m
Multiple Airlines
Sat 4/188:00 am
ONT
-
LGA
1 stop8h 49m
Multiple Airlines
Deal found 2/18$243
This Frontier deal was found by Cheapflights users on 2/16. 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.
Sat 4/187:30 am
JFK
-
ONT
1 stop13h 53m
Frontier
Wed 4/222:44 pm
ONT
-
JFK
1 stop12h 46m
Frontier
Deal found 2/16$243
This Booking.com deal was found by Cheapflights users on 2/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:00 pm
LGA
-
ONT
1 stop28h 56m
Frontier
Tue 4/148:15 am
ONT
-
LGA
1 stop10h 45m
Frontier
Deal found 2/15$244
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Sun 4/510:00 pm
LGA
-
ONT
1 stop28h 56m
Frontier
Thu 4/96:20 am
ONT
-
LGA
1 stop11h 39m
Frontier
Deal found 2/17$245
This Frontier deal was found by Cheapflights users on 2/16. 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 4/157:30 am
JFK
-
ONT
1 stop9h 10m
Frontier
Wed 4/157:29 pm
ONT
-
JFK
1 stop8h 01m
Frontier
Deal found 2/16$245
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:00 pm
LGA
-
ONT
2 stops28h 55m
Frontier
Sat 4/258:00 am
ONT
-
LGA
1 stop11h 00m
Frontier
Deal found 2/15$246
This Frontier deal was found by Cheapflights users on 2/17. 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.
Thu 5/77:30 am
JFK
-
ONT
1 stop15h 34m
Frontier
Tue 5/122:44 pm
ONT
-
JFK
1 stop12h 46m
Frontier
Deal found 2/17$246
This Booking.com deal was found by Cheapflights users on 2/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:00 pm
LGA
-
ONT
1 stop28h 56m
Frontier
Thu 4/166:15 am
ONT
-
LGA
1 stop12h 45m
Frontier
Deal found 2/16$247

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Kiwi.com)

One-way from

$103
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$358

Good round-trip deal

$352 or less
Provider with most accurate pricing for New York (NYC)-Los Angeles flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Los Angeles flights.
From New York to Ontario
One-way flight from New York to Ontario
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from New York to Ontario.

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 February 19, 2026.
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

Mon 8/17

7:35 pm-10:40 pm

Nonstop6h 05m

Ontario

Sat 8/29

11:59 pm-8:21 am

Nonstop5h 22m

$264

RochesterOntario

ROC - ONT

ROCONT

Greater Rochester Intl

Thu 5/14

5:41 pm-10:30 pm

1 stop7h 49m

Ontario

Mon 5/18

6:59 pm-9:57 am

2 stops11h 58m

$264

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 3/11

2:00 pm-9:00 pm

1 stop10h 00m

Ontario

Mon 3/16

10:25 pm-9:42 am

1 stop8h 17m

$267

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 5/20

6:59 pm-10:09 pm

Nonstop6h 10m

Ontario

Tue 5/26

11:25 pm-7:50 am

Nonstop5h 25m

$274

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 3/2

2:59 pm-9:05 pm

1 stop9h 06m

Ontario

Tue 3/10

10:25 pm-10:43 am

1 stop9h 18m

$275

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 3/12

5:00 pm-11:52 pm

1 stop9h 52m

Ontario

Tue 3/17

4:02 pm-7:05 am

1 stop12h 03m

$277

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 4/17

3:00 pm-9:00 pm

1 stop9h 00m

Ontario

Sat 4/18

10:15 pm-9:39 am

1 stop8h 24m

$285

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 3/6

4:25 pm-11:32 pm

1 stop10h 07m

Ontario

Wed 3/11

4:02 pm-7:05 am

1 stop12h 03m

$287

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 3/6

4:25 pm-11:32 pm

1 stop10h 07m

Ontario

Tue 3/10

6:14 am-7:10 pm

1 stop9h 56m

$287

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 3/5

5:00 pm-11:52 pm

1 stop9h 52m

Ontario

Tue 3/17

4:02 pm-7:05 am

1 stop12h 03m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

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, August is the cheapest month in which you can book a flight from State of New York to Ontario (average of $90). Flying from State of New York to Ontario in February is currently the most expensive (average of $145). 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.

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 JetBlue, Delta, and Alaska Airlines fly from State of New York to Ontario in about 6h 05m. The time it takes to get you to your destination can typically vary by up to 3h 55m. State of New York and Ontario are separated by a distance of 2422 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?

    $74 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $96 and $116, respectively.

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

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

    Looking at all options, your cheapest flight can be booked for $287. While the most popular route (New York John F Kennedy Intl - Ontario) can be booked for $200 on average, our data indicates $352 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, August is the cheapest month in which you can book a flight from State of New York to Ontario (average of $90). Flying from State of New York to Ontario in February is currently the most expensive (average of $145). 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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Alternative routes for New York to Ontario

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

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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$263FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$116Average$184FlexibilityNo cancel feeOn-time65%
DeltaCheapest$148Average$419FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$192Average$455FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$192Average$413FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$238Average$336FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$452FlexibilityNo cancel feeOn-time69%

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