Cheap flights from Ireland to Boston from €303

The month of September is, on average, the cheapest month to fly to Boston from Ireland, with most prices found around €251. The month of August is another great option to travel to Boston, with average flight prices from Ireland averaging around €285.

The cheapest day to depart from Ireland to Boston is on a Thursday when prices can be found for as low as €525. Flights from Ireland to Boston on a Sunday will generally be more expensive and average around €676. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Boston from Ireland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €581 when looking at flights departing in the afternoon. Flights in the evening are often more expensive, with an average ticket price of €728.

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

You are more likely to see cheaper flights to Boston from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around €493 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Ireland for as low as €437 on momondo.

WestJet, Aer Lingus, and British Airways are the most popular carriers operating from Ireland to Boston Logan Intl

Aer Lingus, Air France and JetBlue are the top three most popular airlines that fly to Boston from Ireland 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 Boston. Keep in mind that there are 10 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 9% of flights between Ireland and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 121 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, JetBlue have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

The number of flights available between Ireland and Boston is 22 per day as of May 2026. The most frequent departure time is 16:00, with 82% of daily flights leaving in the afternoon.

As of May 2026, there are 158 flights per week flying from Ireland to Boston. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.