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$110+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Frontier)

One-way from

$110
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$366

Good round-trip deal

$297 or less

Good one-way deal

$173 or less
Provider with most accurate pricing for New York (NYC)-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Los Angeles flights.
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From New York to Ontario
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One-way flight from New York to Ontario
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from New York to Ontario.
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Price to beat on a one-way flight from New York 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 February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/20. 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 3/67:59 amJFK - ONT
1 stop10h 05mFrontier
Sun 3/162:48 pmONT - JFK
1 stop12h 42mFrontier
Deal found 2/20$190
This Frontier deal was found by Cheapflights users on 2/20. 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 4/310:59 pmLGA - ONT
1 stop12h 20mFrontier
Sun 4/68:29 amONT - LGA
1 stop10h 31mFrontier
Deal found 2/20$190
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/274:00 pmJFK - ONT
2 stops20h 34mMultiple Airlines
Sat 3/18:29 pmONT - JFK
1 stop7h 01mMultiple Airlines
Deal found 2/18$253
This JetBlue deal was found by Cheapflights users on 2/19. 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.
Fri 5/26:10 pmJFK - ONT
Nonstop6h 12mJetBlue
Mon 5/510:40 pmONT - JFK
Nonstop5h 20mJetBlue
Deal found 2/19$257
This Delta deal was found by Cheapflights users on 2/20. 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 4/166:00 amJFK - ONT
1 stop7h 57mDelta
Tue 4/2910:15 pmONT - JFK
1 stop8h 33mDelta
Deal found 2/20$277
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/225:06 pmLGA - ONT
1 stop8h 04mAmerican Airlines
Wed 5/146:01 amONT - LGA
1 stop7h 03mAmerican Airlines
Deal found 2/20$277
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/225:54 amEWR - ONT
1 stop8h 52mAmerican Airlines
Tue 5/136:02 amONT - EWR
1 stop7h 27mAmerican Airlines
Deal found 2/20$277
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 5/22:00 pmLGA - ONT
1 stop11h 00mUnited Airlines
Tue 5/66:08 amONT - LGA
1 stop7h 24mUnited Airlines
Deal found 2/20$278
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/110:20 amROC - ONT
2 stops10h 31mUnited Airlines
Wed 4/96:39 pmONT - ROC
2 stops12h 00mUnited Airlines
Deal found 2/20$282
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/25:59 amEWR - ONT
1 stop9h 39mUnited Airlines
Wed 4/26:39 pmONT - EWR
1 stop9h 41mUnited Airlines
Deal found 2/19$283
This Delta deal was found by Cheapflights users on 2/20. 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 3/186:45 pmEWR - ONT
1 stop8h 11mDelta
Tue 3/255:15 pmONT - EWR
1 stop9h 27mDelta
Deal found 2/20$287
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/188:05 amJFK - ONT
1 stop8h 55mAmerican Airlines
Tue 3/259:32 amONT - JFK
2 stops8h 58mAmerican Airlines
Deal found 2/20$292

Find flights from New York to Ontario within your budget

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 20, 2025.

Fly from

New York

Fly to

Ontario

Route

Depart

Return

Price

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 5/27

6:30 am-2:48 pm

1 stop11h 18m

Ontario

Thu 5/29

3:42 pm-5:30 am

1 stop10h 48m

$180

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 4/3

10:59 pm-8:19 am

1 stop12h 20m

Ontario

Sun 4/6

8:29 am-10:00 pm

1 stop10h 31m

$190

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 5/2

6:10 pm-9:22 pm

Nonstop6h 12m

Ontario

Mon 5/5

10:40 pm-7:00 am

Nonstop5h 20m

$257

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 4/16

6:00 am-10:57 am

1 stop7h 57m

Ontario

Tue 4/29

10:15 pm-9:48 am

1 stop8h 33m

$277

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 4/22

5:06 pm-10:10 pm

1 stop8h 04m

Ontario

Wed 5/14

6:01 am-4:04 pm

1 stop7h 03m

$277

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 4/22

5:54 am-11:46 am

1 stop8h 52m

Ontario

Tue 5/13

6:02 am-4:29 pm

1 stop7h 27m

$277

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 5/2

2:00 pm-10:00 pm

1 stop11h 00m

Ontario

Tue 5/6

6:08 am-4:32 pm

1 stop7h 24m

$278

RochesterOntario

ROC - ONT

ROCONT

Rochester Greater Rochester Intl

Tue 4/1

10:20 am-5:51 pm

2 stops10h 31m

Ontario

Wed 4/9

6:39 pm-9:39 am

2 stops12h 00m

$282

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 3/18

4:01 pm-10:43 pm

1 stop9h 42m

Ontario

Tue 3/25

5:15 pm-5:42 am

1 stop9h 27m

$287

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 3/18

8:05 am-2:00 pm

1 stop8h 55m

Ontario

Tue 3/25

9:32 am-9:30 pm

2 stops8h 58m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.

Travel insights for flights from New York to Ontario

Get recent, data-driven insights about flights from New York to Ontario including ideal travel times, pricing trends, and more.

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 $246). Flying from State of New York to Ontario in March is currently the most expensive (average of $315). 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of New York to Ontario as you normally would.

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 February 20, 2025.
To help decide which airline to fly from New York to Ontario, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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.

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

    $110 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Hawaiian Airlines, with prices starting from $129 and $136, 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 cheapest flights from State of New York to Ontario?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (New York John F Kennedy Intl - Ontario) can be booked for $127 on average our data indicates $325 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 $246). Flying from State of New York to Ontario in March is currently the most expensive (average of $315). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$309FlexibilityNo cancel feeOn-time62%
DeltaCheapest$143Average$431FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$171Average$265FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$192Average$444FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$227Average$567FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$256Average$493FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$286Average$443FlexibilityNo cancel feeOn-time63%
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