Cheap flights from Ireland to New York from £276

In general, February is the cheapest month to fly from Ireland to New York John F Kennedy Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £374. The month of September is another great option to travel to New York John F Kennedy Intl Airport, with average flight prices from Ireland averaging around £394.

The cheapest day to depart from Ireland to New York John F Kennedy Intl Airport is on a Thursday. Travellers who choose to depart for New York John F Kennedy Intl Airport on a Thursday will often find tickets for as low as £435. On the other hand, Monday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £527.

Flying to New York John F Kennedy Intl Airport from Ireland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £402 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around £486. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Shannon to New York John F Kennedy Intl for the best Ireland - New York John F Kennedy Intl flight prices

You are more likely to see cheaper flights to New York John F Kennedy Intl Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to New York John F Kennedy Intl Airport for around £460 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York John F Kennedy Intl Airport from Ireland for as low as £378 on momondo.

There are 3 cabin classes available to choose from on Ireland to New York John F Kennedy Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

TAP AIR PORTUGAL and HiSky are the most popular carriers operating from Ireland to New York John F Kennedy Intl

Aer Lingus, Air France and KLM are the top three most popular airlines that fly to New York John F Kennedy Intl Airport from Ireland according to our data. Aer Lingus is the first choice among our users, with 64% of people opting to fly with this airline when travelling to New York John F Kennedy Intl Airport. Keep in mind that there are 8 different airlines that fly to New York John F Kennedy Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 8% of flights between Ireland and New York have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

16 flights are operational daily from Ireland to New York John F Kennedy Intl Airport as of August 2026. The most popular departure time for this route is 11:00, with 61% of flights per day taking off in the afternoon.

As of August 2026, 118 flights take off from Ireland and land in New York John F Kennedy Intl Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.