New York to Ontario flights
The cheapest round trip we found from New York to Ontario is $311 (Jan 13 – 20, 2027, 1 stop), 13% below the usual $357.
NYC to ONT · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
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.
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $339 |
| December 2026 | $323 |
| January 2027 | $311 (cheapest month) |
| February 2027 | $357 |
| March 2027 | $386 |
| April 2027 | $342 |
| May 2027 | $389 |
| June 2027 | $533 |
| July 2027 | $511 |
Cheapest dates in the next 4 months
Round trip, per person-
Jan 13 – 20, 2027 7 nights · leave Wed$311 −13% vs usual$311 −13% vs usual Book
Southwest Airlines 1 stop · 7h 05m -
Jan 19 – 26, 2027 7 nights · leave Tue$311 −13% vs usual$311 −13% vs usual Book
Southwest Airlines 1 stop · 6h 55m
-
Dec 9 – 12 3 nights · leave Wed$323 −10% vs usual$323 −10% vs usual Book
Alaska Airlines 1 stop · 8h 54m -
Jan 12 – 30, 2027 18 nights · leave Tue$336 −6% vs usual$336 −6% vs usual Book
Alaska Airlines 1 stop · 9h 00m
-
Nov 19 – 26 7 nights · leave Thu$339 −5% vs usual$339 −5% vs usual Book
Southwest Airlines 1 stop · 7h 00m
-
Dec 3 – 10 7 nights · leave Thu$343$343 Book
Alaska Airlines 1 stop · 9h 09m
-
Nov 7 – 9 2 nights · leave Sat$352$352 Book
American Airlines 1 stop · 7h 19m -
Feb 9 – 19, 2027 10 nights · leave Tue$357$357 Book
Alaska Airlines 1 stop · 9h 00m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Plan the rest of your trip
Ontario · Jan 13 – 20, 2027- Car rental Economybookings · compare rental companies (opens Economybookings in a new tab)
- Things to do in Ontario Klook · tours and tickets (opens Klook in a new tab)
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Good to know
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Flights to Ontario from other cities
All flights to Ontario Flying the other way? Ontario to New York from $310
New York to Ontario: questions
How much does a flight from New York to Ontario cost?
The cheapest round trip we have found right now is $311, leaving January 13 and returning January 20. The usual price on this route is about $357, so this fare is 13% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from New York to Ontario?
January 2027, with round trips from $311. The most expensive month in our data is June (from $533). Based on the 9 months ahead we have prices for.
Are there nonstop flights from New York to Ontario?
Yes. Nonstop from $952 round trip. 4% of the 28 date combinations we track are nonstop.
What is the cheapest day to fly from New York to Ontario?
Leaving on a Wednesday. Typical fare $323, vs $431 across all days.
Which airports do New York to Ontario flights use?
New York airports include John F. Kennedy International (JFK), Newark Liberty International (EWR) and LaGuardia (LGA). Ontario airports include Ontario International (ONT). The prices on this page cover every airport in both cities (NYC and ONT are the city codes).
About this route
We track round-trip economy fares from New York (United States) to Ontario (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $311, departing January 13 and returning January 20, about 13% below the usual $357. Right now we're following 28 upcoming date combinations on this route. The cheapest month to fly in our data is January, from $311. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.