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

$99 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and JetBlue, with prices starting from $131 and $134, 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 $121. While the most popular route (New York John F Kennedy Intl - Ontario) can be booked for $198 on average our data indicates $248 when flying from State of New York to Ontario.

What are the most popular airlines that fly from State of New York to Ontario?

Before booking your flight from State of New York to Ontario check out the most popular airlines for this route: American Airlines, JetBlue or Delta.

How far in advance should I book a flight from State of New York to Ontario?

To save on the cost of your flight from State of New York to Ontario, book at least 31 days before your planned departure. Booking around this time can save you about 79% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $407 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $665.

What is the cheapest month to fly from State of New York to Ontario?

Our data shows that September tends to be the cheapest month to fly to Ontario from State of New York. Users have commonly found prices around $379 for the month, but tickets can be as low as $140. Due to multiple factors, prepare for potentially higher prices in December.

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.

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.

$98+ Flights from New York State to Ontario

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Cheap flight deals from New York to Ontario

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$188 (Frontier)
One-way from	$98 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$407
Good round-trip deal	$287 or less
Good one-way deal	$148 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

Search Deals

One-way flight from New York to Ontario

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 17, 2025.

Thu 5/86:59 amJFK - ONT

1 stop11h 40mFrontier

Tue 5/131:08 pmONT - JFK

1 stop13h 22mFrontier

Deal found 4/17

$188

Wed 5/2810:55 pmLGA - ONT

1 stop13h 20mFrontier

Mon 6/212:59 amONT - LGA

1 stop18h 11mFrontier

Deal found 4/17

$189

Tue 9/167:19 amEWR - ONT

1 stop9h 47mAlaska Airlines

Tue 9/233:00 pmONT - EWR

1 stop11h 59mAlaska Airlines

Deal found 4/16

$262

Sat 5/246:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Fri 5/3010:59 pmONT - JFK

Nonstop5h 20mJetBlue

Deal found 4/16

$267

Tue 9/167:27 amJFK - ONT

1 stop9h 39mAlaska Airlines

Thu 10/234:05 pmONT - JFK

1 stop10h 55mAlaska Airlines

Deal found 4/16

$269

Fri 7/42:59 pmLGA - ONT

1 stop9h 34mAmerican Airlines

Tue 7/812:46 pmONT - LGA

1 stop7h 49mAmerican Airlines

Deal found 4/16

$277

Tue 5/135:59 pmEWR - ONT

1 stop8h 44mAmerican Airlines

Sat 5/2410:40 pmONT - EWR

1 stop8h 08mAmerican Airlines

Deal found 4/16

$277

Sat 5/175:59 amEWR - ONT

1 stop8h 09mDelta

Sat 5/241:10 pmONT - EWR

1 stop8h 00mDelta

Deal found 4/16

$282

Tue 9/167:19 amEWR - ONT

1 stop9h 47mHawaiian Airlines

Tue 9/233:00 pmONT - EWR

1 stop11h 59mHawaiian Airlines

Deal found 4/17

$286

Wed 9/311:48 amALB - ONT

1 stop11h 13mAmerican Airlines

Tue 9/910:54 amONT - ALB

1 stop8h 59mAmerican Airlines

Deal found 4/17

$287

Tue 9/1612:25 pmJFK - ONT

1 stop10h 17mDelta

Tue 9/2310:59 pmONT - JFK

1 stop7h 46mDelta

Deal found 4/16

$287

Sat 9/272:00 pmLGA - ONT

1 stop8h 42mDelta

Wed 10/112:00 pmONT - LGA

1 stop8h 43mDelta

Deal found 4/16

$287

Best flights from New York to Ontario
Discover carefully curated flight deals from New York to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Thu 5/86:59 amJFK - ONT

1 stop11h 40mFrontier

Tue 5/131:08 pmONT - JFK

1 stop13h 22mFrontier

Deal found 4/16

$188

Sat 5/246:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Fri 5/3010:59 pmONT - JFK

Nonstop5h 20mJetBlue

Deal found 4/16

$267

Wed 4/3011:30 amJFK - ONT

1 stop11h 59mAlaska Airlines

Tue 5/64:29 pmONT - JFK

1 stop10h 31mAlaska Airlines

Deal found 4/16

$269

Fri 7/42:59 pmLGA - ONT

1 stop9h 34mAmerican Airlines

Tue 7/812:46 pmONT - LGA

1 stop7h 49mAmerican Airlines

Deal found 4/16

$277

Thu 5/296:00 amJFK - ONT

1 stop8h 08mDelta

Wed 6/257:05 amONT - JFK

1 stop9h 25mDelta

Deal found 4/16

$282

Wed 5/710:15 amEWR - ONT

1 stop7h 54mUnited Airlines

Sat 9/277:00 amONT - EWR

1 stop9h 27mUnited Airlines

Deal found 4/16

$282

Thu 5/87:20 amJFK - ONT

1 stop11h 12mHawaiian Airlines

Sat 5/104:29 pmONT - JFK

1 stop10h 31mHawaiian Airlines

Deal found 4/17

$296

Thu 4/246:59 amJFK - ONT

1 stop11h 36mMultiple Airlines

Sat 5/34:29 pmONT - JFK

1 stop10h 31mMultiple Airlines

Deal found 4/17

$308

Tue 6/108:40 amALB - ONT

1 stop9h 25mSouthwest

Sat 6/1411:00 amONT - ALB

1 stop8h 55mSouthwest

Deal found 4/17

$333

Wed 5/2810:55 pmLGA - ONT

1 stop13h 20mFrontier

Mon 6/212:59 amONT - LGA

1 stop18h 11mFrontier

Deal found 4/17

$189

Tue 5/135:59 pmEWR - ONT

1 stop8h 44mAmerican Airlines

Sat 5/2410:40 pmONT - EWR

1 stop8h 08mAmerican Airlines

Deal found 4/16

$277

Wed 5/77:25 amLGA - ONT

1 stop10h 44mUnited Airlines

Sat 5/106:08 amONT - LGA

1 stop10h 01mUnited Airlines

Deal found 4/16

$287

Last-minute flights from New York to Ontario
Discover last-minute flight deals from New York to Ontario. Data last updated April 17, 2025 and is based on user searches.

Wed 4/2310:50 pmLGA - ONT

1 stop12h 04mFrontier

Sun 4/278:44 amONT - LGA

1 stop10h 16mFrontier

Deal found 4/16

$291

Wed 4/235:30 pmLGA - ONT

1 stop7h 45mSouthwest

Wed 4/309:00 amONT - LGA

1 stop8h 10mSouthwest

Deal found 4/16

$394

Wed 4/236:48 pmJFK - ONT

1 stop7h 53mDelta

Wed 4/301:20 pmONT - JFK

1 stop7h 58mDelta

Deal found 4/16

$394

Wed 4/231:00 pmLGA - ONT

1 stop9h 28mDelta

Sat 4/2610:15 pmONT - LGA

1 stop8h 24mDelta

Deal found 4/16

$401

Thu 4/246:59 amJFK - ONT

1 stop11h 36mFrontier

Sat 5/31:15 pmONT - JFK

1 stop13h 15mFrontier

Deal found 4/17

$188

Thu 4/246:59 amJFK - ONT

1 stop11h 36mMultiple Airlines

Sat 5/34:29 pmONT - JFK

1 stop10h 31mMultiple Airlines

Deal found 4/17

$308

Fri 4/254:30 pmJFK - ONT

1 stop10h 29mHawaiian Airlines

Mon 5/54:29 pmONT - JFK

1 stop10h 31mHawaiian Airlines

Deal found 4/16

$432

Sat 4/267:20 amJFK - ONT

1 stop11h 12mAlaska Airlines

Tue 5/64:29 pmONT - JFK

1 stop10h 31mAlaska Airlines

Deal found 4/17

$338

Sat 4/267:00 amEWR - ONT

1 stop11h 32mAlaska Airlines

Tue 5/64:29 pmONT - EWR

1 stop10h 11mAlaska Airlines

Deal found 4/16

$338

Sat 4/2611:30 amEWR - ONT

1 stop10h 58mDelta

Mon 5/510:15 pmONT - EWR

1 stop7h 44mDelta

Deal found 4/16

$399

Sat 4/2611:57 amJFK - ONT

2 stops9h 23mAmerican Airlines

Sat 5/34:35 pmONT - JFK

1 stop10h 00mAmerican Airlines

Deal found 4/17

$404

Sat 4/265:59 amEWR - ONT

1 stop10h 50mAmerican Airlines

Sun 5/410:40 pmONT - EWR

1 stop8h 08mAmerican Airlines

Deal found 4/16

$424

One-way flights from New York to Ontario
Search for one-way flight options from New York to Ontario. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Sat 5/106:00 amEWR - ONT

1 stop14h 47mMultiple Airlines

Deal found 4/16

$98

Fri 5/305:24 pmBUF - ONT

1 stop9h 27mFrontier

Deal found 4/17

$99

Fri 4/256:59 amJFK - ONT

1 stop9h 15mFrontier

Deal found 4/17

$121

Sun 5/115:45 amLGA - ONT

1 stop10h 53mMultiple Airlines

Deal found 4/17

$121

Sun 6/110:55 pmLGA - ONT

1 stop13h 17mFrontier

Deal found 4/17

$125

Tue 5/67:20 amJFK - ONT

1 stop11h 12mAlaska Airlines

Deal found 4/16

$131

Sat 5/246:00 pmJFK - ONT

Nonstop6h 11mJetBlue

Deal found 4/16

$134

Tue 7/13:45 pmLGA - ONT

1 stop8h 52mUnited Airlines

Deal found 4/16

$134

Wed 5/74:00 pmJFK - ONT

1 stop10h 58mHawaiian Airlines

Deal found 4/17

$136

Wed 5/75:30 pmEWR - ONT

1 stop9h 28mHawaiian Airlines

Deal found 4/17

$136

Thu 5/296:00 amLGA - ONT

1 stop8h 08mDelta

Deal found 4/16

$139

Wed 5/286:59 pmEWR - ONT

1 stop7h 43mDelta

Deal found 4/16

$139

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York State to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 5/8

6:59 am-3:39 pm

1 stop11h 40m

Ontario

Tue 5/13

1:08 pm-5:30 am

1 stop13h 22m

$188

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

$189

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Sat 5/24

6:00 pm-9:11 pm

Nonstop6h 11m

Ontario

Fri 5/30

10:59 pm-7:19 am

Nonstop5h 20m

$267

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 7/4

2:59 pm-9:33 pm

1 stop9h 34m

Ontario

Mon 7/7

12:59 am-1:04 pm

1 stop9h 05m

$277

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 5/13

5:59 pm-11:43 pm

1 stop8h 44m

Ontario

Sat 5/24

10:40 pm-9:48 am

1 stop8h 08m

$277

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Sat 5/3

7:20 am-3:32 pm

1 stop11h 12m

Ontario

Mon 5/5

4:29 pm-6:00 am

1 stop10h 31m

$278

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 5/17

5:59 am-11:08 am

1 stop8h 09m

Ontario

Sat 5/24

1:10 pm-12:10 am

1 stop8h 00m

$282

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 5/28

3:25 pm-9:05 pm

1 stop8h 40m

Ontario

Tue 6/3

11:59 pm-11:52 am

1 stop8h 53m

$282

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 5/7

7:25 am-3:09 pm

1 stop10h 44m

Ontario

Sat 5/10

6:08 am-7:09 pm

1 stop10h 01m

$287

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 5/7

6:00 am-11:08 am

1 stop8h 08m

Ontario

Sat 9/27

12:00 pm-12:52 am

1 stop9h 52m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results

...

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 $246). Flying from State of 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 NY to ONT?

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

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

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

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. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,887 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,280 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,916 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,380 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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?
$99 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and JetBlue, with prices starting from $131 and $134, 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 $121. While the most popular route (New York John F Kennedy Intl - Ontario) can be booked for $198 on average our data indicates $248 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 $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

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from New York to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$97	Average$273	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$161	Average$234	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$192	Average$436	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$197	Average$429	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$227	Average$545	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$239	Average$417	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$286	Average$450	FlexibilityNo cancel fee	On-time63%

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$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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from New York to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from New York to Ontario

Cheapest flights from New York to OntarioExplore 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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York State to Ontario that are best for you.

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.

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?

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 April 17, 2025.

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

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. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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?

Can I find deals for flights from New York to Ontario that include hotel bookings?

How can I find direct flights from New York to Ontario?

Can I find deals for business class flights from New York to Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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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 April 17, 2025.