Cheap flights from Dublin to Boston from €349

The month of February is, on average, the cheapest month to fly to Boston from Dublin, with most prices found around €423. The month of November is another great option to travel to Boston, with average flight prices from Dublin averaging around €445.

The cheapest day to depart from Dublin to Boston is on a Wednesday when prices can be found for as low as €599. Flights from Dublin to Boston on a Saturday will generally be more expensive and average around €718. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Boston from Dublin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €606 when looking at flights departing in the afternoon. Flights in the morning are often more expensive, with an average ticket price of €642.

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

You are more likely to see cheaper flights to Boston from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around €545 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 Dublin for as low as €514 on momondo.

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

Delta is the most popular carrier operating from Dublin to Boston Logan Intl

Aer Lingus, JetBlue and Air France are the top three most popular airlines that fly to Boston from Dublin according to our data. Aer Lingus is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Boston. Keep in mind that there are 8 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Dublin and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 133 minutes.

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

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

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 75% of momondo users choosing one-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average return price of €810.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 25m.

Reykjavik (KEF) has the shortest average stopover time for this route: 2h 17m.

The number of flights available between Dublin and Boston is 15 per day as of October 2026. The most frequent departure time is 16:00, with 93% of daily flights leaving in the afternoon.

As of October 2026, 105 flights take off from Dublin and land in Boston each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.