Cheap flights from New York to Ireland from £185

The month of January is, on average, the cheapest month to fly to Ireland from New York, with most prices found around £335. If you’re not able to fly to Ireland in January, then February is your next best option. Flight prices from New York to Ireland during February average around £350.

The cheapest day to depart on your flight to Ireland is on a Monday when prices can be found for as low as £602. This is often the case because there is less demand to fly during this day of the week. Flights from New York to Ireland on a Saturday will generally be more expensive and average around £764. 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 to Ireland when you can find flight prices for as low as £680. 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 £697. 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 - Ireland flight prices

You are more likely to see cheaper flights to Ireland from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £479 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 for as low as £413 on momondo.

There are 2 cabin classes available to choose from on New York 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 13% 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 in the evening have, in the past, seen delays more frequently in comparison.

Tuesday 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 9% of their flights experiencing any sort of delay.

As of November 2026, 31 flights take off from New York and land in Ireland each day. The most common flight departure time for this route is 17:00, with 72% of daily flights taking off in the evening.

The number of flights available between New York and Ireland is 222 per week as of November 2026. The most frequent departure day is Tue, with 14% of weekly flights leaving on this day.