Cheap flights from Ireland to North America from £227

In general, January is the cheapest month to fly from Ireland to North America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £456. The month of November is another great option to travel to North America, with average flight prices from Ireland averaging around £457.

The cheapest day to depart from Ireland to North America is on a Monday when prices can be found for as low as £383. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around £493. These prices are subject to change though, so be sure to set up a Price Alert for flights to North America.

Our data shows that the cheapest Ireland to North America flights are usually those with departure times in the evening. Our users have found flights to North America in the evening for as low as £96. Flights in the morning are often more expensive, with an average ticket price of £517.

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

You are more likely to see cheaper flights to North America from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around £461 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from Ireland for as low as £352 on momondo.

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

Delta, KLM, and Aer Lingus are the most popular carriers operating from Ireland to North America

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to North America 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 North America. Keep in mind that there are 16 different airlines that fly to North America on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Ireland and North America have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday 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 10% of their flights experiencing any sort of delay.

The number of flights available between Ireland and North America is 43 per day as of October 2026. The most frequent departure time is 13:00, with 77% of daily flights leaving in the afternoon.

306 flights are operational weekly from Ireland to North America as of October 2026. The most popular departure day for this route is Wed, with 30% of flights per week taking off on this day.