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Cheap Flights from New York to Ontario International

Compare New York to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from New York to Ontario International

Looking for a cheap last-minute deal or the best return flight from New York to Ontario International? Find the lowest prices on one-way and return tickets right here.
Ontario.173 € per passenger.Departing Fri, 4 Jul, returning Tue, 8 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from New York John F. Kennedy on Fri, 4 Jul, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 8 Jul, arriving in New York John F. Kennedy.Price includes taxes and charges.From 173 €, select.
Ontario.216 € per passenger.Departing Fri, 4 Jul, returning Tue, 8 Jul.Return flight with jetBlue.Outbound direct flight with jetBlue departs from New York John F. Kennedy on Fri, 4 Jul, arriving in Ontario International.Inbound direct flight with jetBlue departs from Ontario International on Tue, 8 Jul, arriving in New York John F. Kennedy.Price includes taxes and charges.From 216 €, select.
Ontario.219 € per passenger.Departing Thu, 14 Aug, returning Sun, 31 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from New York LaGuardia on Thu, 14 Aug, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Sun, 31 Aug, arriving in New York LaGuardia.Price includes taxes and charges.From 219 €, select.
Ontario.231 € per passenger.Departing Tue, 29 Jul, returning Tue, 5 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from New York LaGuardia on Tue, 29 Jul, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 5 Aug, arriving in New York LaGuardia.Price includes taxes and charges.From 231 €, select.
Ontario.232 € per passenger.Departing Sat, 21 Jun, returning Sat, 28 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from New York John F. Kennedy on Sat, 21 Jun, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Sat, 28 Jun, arriving in New York John F. Kennedy.Price includes taxes and charges.From 232 €, select.
Ontario.233 € per passenger.Departing Wed, 10 Sep, returning Tue, 16 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from New York John F. Kennedy on Wed, 10 Sep, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Tue, 16 Sep, arriving in New York Newark.Price includes taxes and charges.From 233 €, select.
Ontario.235 € per passenger.Departing Tue, 19 Aug, returning Wed, 3 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from New York LaGuardia on Tue, 19 Aug, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 3 Sep, arriving in New York LaGuardia.Price includes taxes and charges.From 235 €, select.
Ontario.237 € per passenger.Departing Wed, 16 Jul, returning Tue, 16 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from New York LaGuardia on Wed, 16 Jul, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 16 Sep, arriving in New York LaGuardia.Price includes taxes and charges.From 237 €, select.

Find the cheapest month to fly from New York to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like New York to Ontario International flights are currently cheapest in July.
Jun
from 232 €
Jul
from 173 €
Aug
from 219 €
Sep
from 233 €
Oct
from 244 €
Nov
from 240 €
Dec
from 279 €
Jan
from 305 €
Feb
Find prices
Mar
from 633 €
Apr
from 278 €
May
Find prices

Direct flights from New York to Ontario International

New York to Ontario International: Alternative routes

Compare routes from New York to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

New York to Ontario: Flight information

The things to know before you go.
Cheapest flight found173 €
Cheapest month to flyJuly
Average flight time6 hrs, 6 mins
Most popular airlineEtihad Airways
Average flights per week19

Finding cheap flights from New York to Ontario International: Frequently asked questions

The best price we found for a return flight from New York to Ontario International is 173 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 6 minutes is the average flight time from New York to Ontario International.
Etihad Airways, jetBlue and Air Serbia fly direct from New York to Ontario International.
As of June 2025, there are 19 flights per week flying from New York to Ontario International.
The cheapest month to fly from New York to Ontario International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from New York to Ontario International Airport on Friday, 4 July 2025.
Yes – the average flight time is 6 hours and 6 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from New York to Ontario International Airport (ONT): What you need to know

  • Your next great adventure starts at one of New York's main airports, John F. Kennedy International Airport (JFK) or Newark Liberty International Airport (EWR). Explore the options for booking a flight from New York to Ontario International Airport (ONT) setting off from either of these.

  • The average duration of a direct New York to Ontario International Airport flight is 6 hours 10 minutes.

  • The timezone in Ontario is UTC-7, which is three hours behind New York. Ontario International Airport is located in Ontario.

  • The busiest route is from John F. Kennedy International Airport (JFK) to Ontario International Airport (ONT). You can choose from 3 direct services every week. JetBlue Airways operates a 6:10pm departure between JFK and ONT.

  • Leave enough time to get on your flight from New York to ONT. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • High season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stay on schedule.

Airports in New York

John F. Kennedy International Airport (JFK)

  • You can take a direct flight from New York to Ontario International Airport (ONT) out of John F. Kennedy International Airport (JFK).

  • JetBlue Airways is a popular carrier that offers direct flights from New York to Ontario International Airport departing from JFK.

  • The top choice among passengers flying between JFK and ONT is JetBlue Airways.

  • Located around 48 kilometres from central New York, JFK can be reached in about 50 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour 20 minutes.

  • In search of a comfortable hotel close to John F. Kennedy International Airport? If you're catching an early flight from New York to Ontario International Airport, these accommodation options will put you a quick hop from check-in:

  • 74.1% of flights departing from John F. Kennedy International Airport reach their destination on time.

  • The address for JFK is JFK Airport.

Newark Liberty International Airport (EWR)

  • With public transport, you can travel from central New York to EWR in about 1 hour 10 minutes. The terminal is roughly 24 kilometres away, and getting there by car takes approximately 30 minutes.

  • Kick off your holiday early with an extra night away from home. Before your New York to ONT flight, stay in one of these hotels close to Newark Liberty International Airport:

  • Newark Liberty International Airport has an on-time performance of 73.3%. This figure gives an insight into how frequently flights departing from this airport arrive on schedule.

  • The street address for EWR is Building 1, Conrad Road.

LaGuardia Airport (LGA)

  • The trip to LGA from the centre of New York is around 1 hour on public transport. If you prefer to travel by car, it'll take you roughly 25 minutes to cover the 18 kilometres or so.

  • Make catching an early New York to Ontario International Airport flight one of the easiest parts of your trip. Stay at one of these accommodation options close to LaGuardia Airport and get to your departure gate feeling relaxed and unhurried:

  • With 80.0% of its departing flights arriving on time, LGA is a dependable starting point for your trip.

  • You'll find LaGuardia Airport at Hangar 7 Centre.

About Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • Ontario International Airport to central Ontario is roughly 5 kilometres. If you're renting a car or getting a cab, do some research to make your trip as smooth as possible. Journey times can vary based on traffic conditions and the time of day.

  • It typically takes 1 hour 30 minutes if you're travelling on public transport.

How to find the cheapest flights from New York to Ontario International Airport (ONT)

  • At the moment, 92 € is the lowest price we've found for a one-way ticket from New York to Ontario International Airport. The cheapest price for a return flight is 173 €. Remember fares may change due to availability at the time of booking.

  • To find cheap flights from New York to ONT, book ahead. Airlines tend to offer their most competitively priced fares when tickets are first released.

  • Affordable New York to Ontario International Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' tool to compare fares across every month and then choose the cheapest day.

  • Finding a cheap plane ticket from New York to ONT is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a better deal is available.

  • Hunt for savings on a flight from New York to Ontario International Airport with the help of the filters. Choose your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from New York to Ontario International Airport (ONT)

  • August is the busiest month for flights from New York to Ontario International Airport (ONT). Plan your visit to Ontario in May if you'd rather be there when it's quieter.

  • Lock in a New York to ONT plane ticket departing in August if you want to explore the city during its warmest month. Expect temperatures in Ontario to range from 15ºC (59ºF) to 35ºC (95ºF).

  • Search for cheap tickets from New York to Ontario International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 23ºC (73ºF).

More about Ontario

  • After booking your flight from New York to Ontario International Airport, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Ontario:

  • Your visit to Ontario should come with a side of sightseeing. Big-name attractions you won't want to miss include Conservation Park, Citizens Business Bank Arena and Scandia.

Explore more of the United States

  • San Diego is just one of the many places in the United States waiting to be explored after you've experienced Ontario. Around 153 kilometres away to the south, top sights here include San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

  • Around 193 kilometres north-west of Ontario, Bakersfield is another favourite stop in the United States. Experience the best of this destination with a visit to Kern County Museum, Dr. Martin Luther King, Jr. Park and BAPS Shri Swaminarayan Mandir.

Plan the rest of your trip from New York to Ontario

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.