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Ontario

$120+ Cheap flights from New York, NY (NYC) 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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”

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3. Compare prices and book

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Cheapflights Tip: The best prices from New York to Ontario are usually found in September or October, booked 54 days in advance, depart on a Saturday or Tuesday and return on a Monday

Cheap flight deals from New York to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from New York (NYC) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$206
(Mytrip)

One-way from

$120
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$359

Good round-trip deal

$300 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for New York (NYC)-Ontario flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Ontario flights.
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From New York (NYC) to Ontario
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One-way flight from New York (NYC) to Ontario
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Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from New York (NYC) to Ontario.
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Price to beat on a one-way flight from New York (NYC) to Ontario.
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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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:59 amJFK - ONT
1 stop8h 09mFrontier
Thu 5/156:35 pmONT - JFK
1 stop7h 55mFrontier
Deal found 4/29$205
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/2810:55 pmLGA - ONT
1 stop13h 20mFrontier
Mon 6/212:59 amONT - LGA
1 stop18h 11mFrontier
Deal found 4/29$208
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:35 pmJFK - ONT
Nonstop6h 06mJetBlue
Tue 9/2311:00 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 4/29$257
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:19 amEWR - ONT
1 stop9h 50mAlaska Airlines
Tue 9/233:04 pmONT - EWR
1 stop11h 55mAlaska Airlines
Deal found 4/30$262
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:29 amJFK - ONT
1 stop9h 40mAlaska Airlines
Mon 9/227:22 pmONT - JFK
1 stop8h 44mAlaska Airlines
Deal found 4/29$269
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:19 amEWR - ONT
1 stop9h 50mHawaiian Airlines
Tue 9/233:04 pmONT - EWR
1 stop11h 55mHawaiian Airlines
Deal found 4/30$276
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:00 pmLGA - ONT
1 stop8h 42mDelta
Sat 9/2710:59 pmONT - LGA
1 stop7h 45mDelta
Deal found 4/29$277
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amEWR - ONT
1 stop9h 31mUnited Airlines
Wed 9/241:15 pmONT - EWR
1 stop7h 09mUnited Airlines
Deal found 4/30$282
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/211:59 pmLGA - ONT
1 stop10h 06mAmerican Airlines
Tue 5/2710:40 pmONT - LGA
1 stop10h 19mAmerican Airlines
Deal found 4/30$287
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:00 amEWR - ONT
1 stop8h 08mDelta
Sat 5/311:10 pmONT - EWR
1 stop8h 00mDelta
Deal found 4/30$287
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:29 amJFK - ONT
1 stop11h 21mHawaiian Airlines
Tue 6/104:45 pmONT - JFK
1 stop10h 24mHawaiian Airlines
Deal found 4/30$291
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2510:20 amJFK - ONT
1 stop8h 29mAmerican Airlines
Wed 9/248:43 amONT - JFK
1 stop9h 46mAmerican Airlines
Deal found 4/30$292

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 May 1, 2025.
Use the filters below to find and compare flights from New York 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 5/28

6:59 am-11:43 am

1 stop7h 44m

Ontario

Tue 6/3

6:30 am-5:30 am

1 stop20h 00m

$206

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 5/28

10:55 pm-9:15 am

1 stop13h 20m

Ontario

Mon 6/2

12:59 am-10:10 pm

1 stop18h 11m

$208

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 9/16

6:35 pm-9:41 pm

Nonstop6h 06m

Ontario

Sat 9/20

11:00 pm-7:23 am

Nonstop5h 23m

$257

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 9/16

5:30 pm-11:59 pm

1 stop9h 29m

Ontario

Tue 9/23

3:04 pm-5:59 am

1 stop11h 55m

$262

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 9/16

7:29 am-2:09 pm

1 stop9h 40m

Ontario

Tue 9/16

7:22 pm-7:06 am

1 stop8h 44m

$269

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 9/16

2:00 pm-7:42 pm

1 stop8h 42m

Ontario

Sat 9/27

10:59 pm-9:44 am

1 stop7h 45m

$277

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 8/30

6:00 am-11:07 am

1 stop8h 07m

Ontario

Wed 9/3

10:59 pm-9:36 am

1 stop7h 37m

$282

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 9/16

7:19 am-2:09 pm

1 stop9h 50m

Ontario

Fri 9/26

3:04 pm-5:59 am

1 stop11h 55m

$286

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 5/21

1:59 pm-9:05 pm

1 stop10h 06m

Ontario

Tue 5/27

10:40 pm-11:59 am

1 stop10h 19m

$287

NewarkOntario

EWR - ONT

EWRONT

Newark

Sun 5/25

6:54 am-11:50 am

1 stop7h 56m

Ontario

Tue 6/3

7:25 pm-6:00 am

1 stop7h 35m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 35 results
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Compare providers for flights from New York 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 New York to Ontario in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on New York-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from New York-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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-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 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 to Ontario

How far ahead should I book a flight from New York to Ontario?

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

The best time to book flights from New York to Ontario is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from New York to Ontario (average of $246). Flying from New York 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 NYC 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 May 1, 2025.

When flying from New York 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 18% versus a flight in the evening.

What is the cheapest day to fly from 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 New York to Ontario flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ontario by month

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

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

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 1, 2025.
To help decide which airline to fly from New York to Ontario, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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. Ontario is the only Ontario airport and it handles 2 inbound flights from New York per day. 7 airlines have flights to Ontario from New York on a regular basis.

  • What are the cheapest airlines flying from New York to Ontario round-trip?

    Our cheapest airline available from New York to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $206 on this airline. Additional options worth looking into are Alaska Airlines and JetBlue, starting at $269 and $287 round-trip. Users have found that Frontier is 44% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $120. Alaska Airlines flights start at $131 while deals on American Airlines start at $139 one-way.

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

    The most popular route from New York to Ontario is New York John F Kennedy Intl - Ontario. You may also consider Newark - Ontario or New York LaGuardia - Ontario.

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

    On average you can expect to pay $255 for a flight from New York to Ontario. The cheapest flight overall is $138 while the most popular route, (New York John F Kennedy Intl - Ontario) is currently priced at $248.

  • 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 New York to Ontario?

    Currently, August is the cheapest month in which you can book a flight from New York to Ontario (average of $246). Flying from New York 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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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$97Average$238FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$161Average$234FlexibilityNo cancel feeOn-time65%
DeltaCheapest$219Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$227Average$517FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$236Average$396FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$256Average$404FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$447FlexibilityNo cancel feeOn-time63%

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