Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from New York to Los Angeles
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Alaska Airlines flights from New York to Ontario
Our best Alaska Airlines deals on New York to Ontario flight tickets
United Airlines flights from New York to Ontario
Our best United Airlines deals on New York to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from New York to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between New York and Ontario?
What is the cheapest month to fly to Ontario?
The month of September is, on average, the cheapest month to fly to Ontario from New York, with most prices found around £230. If you’re not able to fly to Ontario in September, then October is your next best option. Flight prices from New York to Ontario during October average around £246.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as £0. This is often the case because there is less demand to fly during this day of the week. Flights from New York to Ontario on a Saturday will generally be more expensive and average around £292. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest New York to Ontario flight route?
Fly from New York John F Kennedy Intl to Ontario for the best New York - Ontario flight prices
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from New York when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £312 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from New York for as low as £236 on momondo.
What cabin class options are available on New York to Ontario flights?
There are 1 cabin classes available to choose from on New York to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have New York to Ontario flight prices changed over time?
As of March 2025, prices for New York to Ontario flights are approximately 59% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from New York to Ontario?
Alaska Airlines, Hawaiian Airlines, and Delta are the most popular carriers operating from New York to Ontario
Which airlines fly to Ontario?
JetBlue, American Airlines and Delta are the top three most popular airlines that fly to Ontario from New York according to our data. JetBlue is the first choice among our users, with 33% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from New York to Ontario
Cheap New York to Ontario (NYC to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New York to Ontario
How far is New York to Ontario by plane?
A flight from New York to Ontario will travel around 2413.4 mi. In terms of flight time, this usually takes a little over 7h 41m.
When did momondo last update prices for flights from New York to Ontario Airport?
Prices for flights from New York to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from New York to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from New York to Ontario?
momondo data reveals that the most frequently booked plane model on the route from New York to Ontario is Airbus A321-100/200, representing 23.71% of all bookings. The subsequent popular models are Airbus A321neo at 19.59%, Boeing 737-900 Passenger/BBJ3 (winglets) at 9.79%, and Airbus A318/A319/A320/A321 at 6.19%.
Why use momondo?
Why should I use momondo to find a flight deal from New York to Ontario?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New York to Ontario . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from New York to Ontario with flexible booking policies on momondo?
All flight searches from New York to Ontario on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from New York to Ontario?
Once all potential New York to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from New York to Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.