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Ontario

$118+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — ONT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from New York to Ontario are usually found in September or April, booked 54 days in advance, depart on a Wednesday or Thursday 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 July 3, 2025.

Round-trip from

$186
(Mytrip)

One-way from

$118
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$372

Good round-trip deal

$297 or less

Good one-way deal

$183 or less
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. 10% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:56 pmLGA - ONT
1 stop14h 01mFrontier
Sun 9/216:56 pmONT - LGA
1 stop24h 15mFrontier
Deal found 7/2$186
This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:59 amJFK - ONT
1 stop7h 54mFrontier
Wed 8/137:22 pmONT - JFK
1 stop7h 08mFrontier
Deal found 7/3$190
This Frontier deal was found by Cheapflights users on 7/2. 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.
Tue 8/55:59 amEWR - ONT
2 stops13h 21mFrontier
Tue 8/127:00 amONT - EWR
2 stops14h 38mFrontier
Deal found 7/2$245
This JetBlue deal was found by Cheapflights users on 7/3. 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
Nonstop5h 54mJetBlue
Tue 9/2310:56 pmONT - JFK
Nonstop5h 22mJetBlue
Deal found 7/3$257
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/62:10 pmLGA - ONT
1 stop8h 25mSouthwest
Mon 8/1110:35 amONT - LGA
1 stop9h 15mSouthwest
Deal found 7/3$267
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/65:30 amEWR - ONT
1 stop7h 28mAmerican Airlines
Mon 8/1112:22 pmONT - EWR
1 stop7h 07mAmerican Airlines
Deal found 7/3$267
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 7/246:00 amLGA - ONT
1 stop7h 30mDelta
Thu 7/3111:40 amONT - LGA
1 stop7h 45mDelta
Deal found 7/2$277
This Delta deal was found by Cheapflights users on 7/3. 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.
Thu 7/246:00 amEWR - ONT
1 stop7h 30mDelta
Wed 7/305:09 pmONT - EWR
1 stop10h 11mDelta
Deal found 7/3$277
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 8/234:14 pmEWR - ONT
1 stop8h 11mUnited Airlines
Tue 8/266:50 pmONT - EWR
1 stop9h 21mUnited Airlines
Deal found 6/30$287
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 10/17:19 amEWR - ONT
1 stop9h 53mAlaska Airlines
Sat 10/117:10 amONT - EWR
1 stop8h 43mAlaska Airlines
Deal found 7/1$291

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 July 3, 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

LGA - ONT

LGAONT

New York LaGuardia

Wed 9/10

10:56 pm-9:57 am

1 stop14h 01m

Ontario

Sun 9/21

6:56 pm-10:11 pm

1 stop24h 15m

$186

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Mon 8/11

6:59 am-11:53 am

1 stop7h 54m

Ontario

Wed 8/13

7:22 pm-5:30 am

1 stop7h 08m

$190

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 8/5

5:59 am-4:20 pm

2 stops13h 21m

Ontario

Tue 8/12

7:00 am-12:38 am

2 stops14h 38m

$245

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 9/16

6:35 pm-9:29 pm

Nonstop5h 54m

Ontario

Tue 9/23

10:56 pm-7:18 am

Nonstop5h 22m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 8/6

2:10 pm-7:35 pm

1 stop8h 25m

Ontario

Mon 8/11

10:35 am-10:50 pm

1 stop9h 15m

$267

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 8/6

5:30 am-11:52 am

1 stop9h 22m

Ontario

Mon 8/11

12:22 pm-10:29 pm

1 stop7h 07m

$267

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 8/13

3:45 pm-9:37 pm

1 stop8h 52m

Ontario

Fri 8/15

6:00 am-7:00 pm

1 stop10h 00m

$271

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 7/24

6:00 am-10:30 am

1 stop7h 30m

Ontario

Tue 7/29

10:05 pm-10:48 am

1 stop9h 43m

$277

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 7/24

6:00 am-10:30 am

1 stop7h 30m

Ontario

Wed 7/30

5:09 pm-6:20 am

1 stop10h 11m

$277

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 8/23

4:14 pm-9:25 pm

1 stop8h 11m

Ontario

Tue 8/26

6:50 pm-7:11 am

1 stop9h 21m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 27 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 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 June 27, 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 July 3, 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 8% versus a flight in the morning.

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 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 New York to Ontario?

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 July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from New York to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

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
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

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 $186 on this airline. Additional options worth looking into are JetBlue and Southwest, starting at $257 and $267 round-trip. Users have found that Frontier is 48% 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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $118. Frontier flights start at $123 while deals on American Airlines start at $127 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 most reliable airlines from New York to Ontario?

    Before booking your flight to Ontario from New York, check out the most reliable airlines to get you to your destination on time: Air Serbia (73%), Hawaiian Airlines (71%), JetBlue( 63%).

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

    On average you can expect to pay $308 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 $227.

  • 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$231FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$143Average$208FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$227Average$346FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$228Average$403FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$540FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$286Average$447FlexibilityNo cancel feeOn-time63%

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