Cheap flights from Ireland to New York from €227

The month of September is, on average, the cheapest month to fly to New York from Ireland, with most prices found around €390. If you aren’t able to travel to New York during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of €397.

The cheapest day to depart on your flight to New York is on a Thursday when prices can be found for as low as €525. 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 Sunday because tickets tend to average around €610. These prices are subject to change though, so be sure to set up a Price Alert for flights to New York.

Flying to New York from Ireland in the evening is the least expensive time of day to depart. momondo users have found prices as low as €417 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around €578. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 €491 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 €430 on momondo.

There are 4 cabin classes available to choose from on Ireland to New York flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Aer Lingus and British Airways are the most popular carriers operating from Ireland to New York

Aer Lingus, United Airlines and Air France 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 68% of people opting to fly with this airline when travelling to New York. Keep in mind that there are 13 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 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 145 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.

Thursday 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 6% of their flights experiencing any sort of delay.

The number of flights available between Ireland and New York is 26 per day as of February 2026. The most frequent departure time is 09:00, with 56% of daily flights leaving at midday.

As of February 2026, 182 flights take off from Ireland and land in New York each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.