Cheap flights from New York John F Kennedy Intl Airport to Ireland from €243

The month of December is another great option to travel to Ireland, with average flight prices from New York John F Kennedy Intl Airport averaging around €205.

The cheapest day to depart on your flight to Ireland is on a Saturday when prices can be found for as low as €425. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €671. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

In the evening 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 €523. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around €552.

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 €458 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 €423 on momondo.

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 165 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 12% of their flights experiencing any sort of delay.

As of May 2026, there are 23 flights per day flying from New York John F Kennedy Intl Airport to Ireland. The most common time of day flights depart is 21:00, with 77% of flights taking off in the evening.

As of May 2026, there are 161 flights per week flying from New York John F Kennedy Intl Airport to Ireland. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.