Cheap flights from Ireland to New York from £280

The month of November is, on average, the cheapest month to fly to New York from Ireland, with most prices found around £367. The month of September is another great option to travel to New York, with average flight prices from Ireland averaging around £399.

According to our data, Thursday is the cheapest day to fly to New York from Ireland. The lowest ticket price found for a Thursday departure recently was £440. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to New York is Saturday, with ticket prices averaging around £512.

According to our data, the cheapest time of day to fly to New York is in the afternoon. momondo users have found flights departing from Ireland to New York in the afternoon for as low as £399. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £502 on average. Flights to New York from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to New York from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to New York for around £434 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 from Ireland for as low as £366 on momondo.

JetBlue, TAP AIR PORTUGAL, and Air Transat are the most popular carriers operating from Ireland to New York

Aer Lingus, Air France and KLM are the top three most popular airlines that fly to New York from Ireland according to our data. Aer Lingus is the first choice among our users, with 65% of people opting to fly with this airline when travelling to New York. Keep in mind that there are 12 different airlines that fly to New York on a routine basis, so you have a few additional options to choose from.

Historically, on average around 9% 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 140 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.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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.

37 flights are operational daily from Ireland to New York as of May 2026. The most popular departure time for this route is 13:00, with 59% of flights per day taking off in the afternoon.

As of May 2026, there are 260 flights per week flying from Ireland to New York. The most common day of the week flights depart is Sun, with 15% of flights taking off on this day.