Cheap flights from Dublin to Boston from £293

In general, February is the cheapest month to fly from Dublin to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £327. The month of November is another great option to travel to Boston, with average flight prices from Dublin averaging around £343.

The cheapest day to depart on your flight to Boston is on a Thursday when prices can be found for as low as £542. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £589. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

Our most recent data shows that the best time of day to fly to Boston is in the evening. Flights from Dublin to Boston during this time can be as low as £455. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around £559 per ticket.

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 £442 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 £414 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, KLM, and JetBlue are the most popular carriers operating from Dublin to Boston Logan Intl

Aer Lingus, JetBlue and KLM 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 54% 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 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 130 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.

Tuesday 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 9% of their flights experiencing any sort of delay.

As of September 2026, there are 15 flights per day flying from Dublin to Boston. The most common time of day flights depart is 16:00, with 94% of flights taking off in the afternoon.

As of September 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.