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Ontario to New York flights

The cheapest round trip we found from Ontario to New York is $310 (Dec 1 – 4, 2 stops), 4% below the usual $324.

ONT to NYC · Round trip · Economy · Prices per person in USD · Price found (1 day ago)

Cheapest found

$310 4% less
Dec 1 – 4 · 2 stops · Usually $324
Book this fare

Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.

Not ready to book? We'll email you when Ontario → New York drops below $290.
Dec – Jan · 2–4 nights · Change

Cheapest round trip by month

Lowest fare found per departure month
Cheapest month Below usual Usual price $324 Tap a month to see its cheapest dates.
Cheapest round trip from Ontario to New York by departure month
MonthCheapest round trip
November 2026$322
December 2026$281 (cheapest month)
January 2027$320
February 2027$325
March 2027$518
April 2027No fares found yet
May 2027$472

Cheapest dates in the next 4 months

Round trip, per person
  • Dec 1 – 4 3 nights · leave Tue
    $310
    Frontier Airlines 2 stops · 8h 58m
    Book
  • Jan 21 – 26, 2027 5 nights · leave Thu
    $320
    Alaska Airlines 1 stop · 7h 50m
    Book
  • Jan 7 – 11, 2027 4 nights · leave Thu
    $323
    American Airlines 1 stop · 6h 25m
    Book
  • Feb 9 – 19, 2027 10 nights · leave Tue
    $325
    Alaska Airlines 1 stop · 7h 50m
    Book
  • Dec 7 – 9 2 nights · leave Mon
    $328
    Alaska Airlines 1 stop · 8h 13m
    Book
  • Dec 8 – 10 2 nights · leave Tue
    $328
    Alaska Airlines 1 stop · 8h 13m
    Book
  • Dec 9 – 11 2 nights · leave Wed
    $333
    Frontier Airlines 3 stops · 9h 00m
    Book
  • Jan 6 – 11, 2027 5 nights · leave Wed
    $346 +7% vs usual
    Alaska Airlines 1 stop · 7h 50m
    Book

Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert

Things to do in New York

One Go City pass for Empire State Building, Top of the Rock, American Museum of Natural History and more

More things to do in New York →

Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.

Plan the rest of your trip

New York · Dec 1 – 4

Airport transfer · Kiwitaxi

Partner links: we may earn a commission if you book, at no extra cost to you.

Good to know

Cheapest day to leave Tuesday Typical fare $361, vs $400 across all days.
Airlines with cheap fares 4 airlines Most often: Alaska Airlines, American Airlines, Southwest Airlines.
Most expensive month March Cheapest round trip that month is $518, vs $281 in the cheapest month.

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More from Ontario

All flights from Ontario

Flights to New York from other cities

All flights to New York Flying the other way? New York to Ontario from $311

Ontario to New York: questions

How much does a flight from Ontario to New York cost?

The cheapest round trip we have found right now is $310, leaving December 1 and returning December 4. The usual price on this route is about $324, so this fare is 4% less. Prices are per person, economy, in USD.

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

December 2026, with round trips from $281. The most expensive month in our data is March (from $518). Based on the 6 months ahead we have prices for.

What is the cheapest day to fly from Ontario to New York?

Leaving on a Tuesday. Typical fare $361, vs $400 across all days.

Which airports do Ontario to New York flights use?

Ontario airports include Ontario International (ONT). New York airports include John F. Kennedy International (JFK), Newark Liberty International (EWR) and LaGuardia (LGA). The prices on this page cover every airport in both cities (ONT and NYC are the city codes).

About this route

We track round-trip economy fares from Ontario (United States) to New York (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $310, departing December 1 and returning December 4, about 4% below the usual $324. Right now we're following 26 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $281. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.

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