Cheap flights from Ireland to North America from €167

If you’re not able to fly to North America in September, then February is your next best option. Flight prices from Ireland to North America during February average around €402.

The cheapest day to depart from Ireland to North America is on a Thursday. Travellers who choose to depart for North America on a Thursday will often find tickets for as low as €543. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to North America for around €640.

The cheapest time of day to fly to North America is in the evening when flights can be purchased for as low as €428. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €598 on average. Flights to North America from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Dublin to Las Vegas Harry Reid 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 €498 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 €429 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.

WestJet, Scandinavian Airlines, 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 65% of people opting to fly with this airline when travelling to North America. Keep in mind that there are 17 different airlines that fly to North America on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 38 flights per day flying from Ireland to North America. The most common time of day flights depart is 11:00, with 62% of flights taking off in the afternoon.

The number of flights available between Ireland and North America is 272 per week as of March 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.