Cheap flights from the United States to Dublin from €218

If you aren’t able to travel during the month of January, then book flights to Dublin from United States during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €355.

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €414. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €641. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Our data shows that the cheapest United States to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €502. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €533 on average. Flights to Dublin from United States in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Boston Logan Intl to Dublin for the best United States - Dublin flight prices

You are more likely to see cheaper flights to Dublin from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin 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 Dublin from United States for as low as €438 on momondo.

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

Delta, KLM, and JetBlue are the most popular carriers operating from United States to Dublin

Aer Lingus, United Airlines and JetBlue are the top three most popular airlines that fly to Dublin from United States according to our data. Aer Lingus is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between United States and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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. 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 12% of their flights experiencing any sort of delay.

As of April 2026, 94 flights take off from United States and land in Dublin each day. The most common flight departure time for this route is 17:00, with 65% of daily flights taking off in the evening.

659 flights are operational weekly from United States to Dublin as of April 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.