Cheap flights from Ireland to New York from $321

The cheapest month to fly to New York from Ireland is in February. Flight prices, which tend to average around $490, are often lower during this time because this is during the off-season. The month of November is another great option to travel to New York, with average flight prices from Ireland averaging around $510.

The cheapest day to depart from Ireland to New York is on a Thursday when prices can be found for as low as $595. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $735.

Our most recent data shows that the best time of day to fly to New York is in the afternoon. Flights from Ireland to New York during this time can be as low as $594. Flights to New York are more costly in the morning, with an average ticket price of $713. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Shannon 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 $626 when searching weeks out. 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 $517 on momondo.

There are 3 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.

Scandinavian Airlines, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to New York

Aer Lingus, Delta and United Airlines 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 57% of people opting to fly with this airline when traveling to New York. Keep in mind that there are 6 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 147 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

As of August 2026, 39 flights take off from Ireland and land in New York each day. The most common flight departure time for this route is 1:00PM, with 62% of daily flights taking off in the afternoon.

275 flights are operational weekly from Ireland to New York 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.