Cheap flights from New York to Ireland from €166

The month of October is another great option to travel to Ireland, with average flight prices from New York averaging around €351.

The cheapest day to depart on your flight to Ireland is on a Saturday when prices can be found for as low as €426. 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 €667. 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 to Ireland when you can find flight prices for as low as €481. 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 - 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 €464 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 €443 on momondo.

There are 3 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.

Air Canada, Icelandair, and Lufthansa are the most popular carriers operating from New York to Ireland

Aer Lingus, United Airlines and JetBlue are the top three most popular airlines that fly to Ireland from New York according to our data. Aer Lingus is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 4 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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 171 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.

27 flights are operational daily from New York to Ireland as of February 2026. The most popular departure time for this route is 17:00, with 63% of flights per day taking off in the evening.

As of February 2026, 189 flights take off from New York and land in Ireland each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.