Cheap flights from Ireland to Long Island from €296

If you are unable to visit Long Island during the month of February, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around €427.

On average, the least expensive day to fly to Long Island from Ireland is on a Thursday. momondo users have found tickets for Thursday departures for as low as €541. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Long Island is Monday, with ticket prices averaging around €670.

In the afternoon is the cheapest time of day to fly from Ireland to Long Island when you can find flight prices for as low as €490. Flying to Long Island in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Long Island is at midday when prices are around €623.

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

You are more likely to see cheaper flights to Long Island from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Long Island for around €540 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Long Island from Ireland for as low as €445 on momondo.

There are 3 cabin classes available to choose from on Ireland to Long Island flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Iberia, Scandinavian Airlines, and British Airways are the most popular carriers operating from Ireland to Long Island

Aer Lingus, KLM and Delta are the top three most popular airlines that fly to Long Island from Ireland according to our data. Aer Lingus is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Long Island. Keep in mind that there are 8 different airlines that fly to Long Island on a routine basis, so you have a few additional options to choose from.

The number of flights available between Ireland and Long Island is 39 per day as of August 2026. The most frequent departure time is 11:00, with 61% of daily flights leaving in the afternoon.

275 flights are operational weekly from Ireland to Long Island as of August 2026. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.