Cheap flights from New York John F Kennedy Intl Airport to Ireland from £227

The month of November is, on average, the cheapest month to fly to Ireland from New York John F Kennedy Intl Airport, with most prices found around £325. If you’re not able to fly to Ireland in November, then January is your next best option. Flight prices from New York John F Kennedy Intl Airport to Ireland during January average around £335.

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as £417. This is often the case because there is less demand to fly during this day of the week. Flights from New York John F Kennedy Intl Airport to Ireland on a Friday will generally be more expensive and average around £607. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the afternoon is the cheapest time of day to fly from New York John F Kennedy Intl Airport to Ireland when you can find flight prices for as low as £510. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the evening, with an average ticket price of £534. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Ireland from New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £405 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from New York John F Kennedy Intl Airport for as low as £382 on momondo.

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

Historically, on average around 14% of flights between New York and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 164 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 11% of their flights experiencing any sort of delay.

The number of flights available between New York John F Kennedy Intl Airport and Ireland is 17 per day as of April 2026. The most frequent departure time is 21:00, with 77% of daily flights leaving in the evening.

119 flights are operational weekly from New York John F Kennedy Intl Airport to Ireland as of April 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.