€241 Find Cheap Flights from Boston to Dublin – Compare and Save

For Boston to Dublin, Thursday is the cheapest day to fly on average and Friday is the most expensive. Flying from Dublin back to Boston, the best deals are generally found on Thursday, with Sunday being the most expensive.

The cheapest month for flights from Boston to Dublin is January, where tickets cost €359 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is €679 and €596 respectively.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at €571 on average.

To get a below average price on the flight from Boston to Dublin, you should book around 3 weeks before departure, which saves you about 17% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

In the past 5 days, the cheapest return tickets from Boston to Dublin were found on TAP AIR PORTUGAL (€513) and Icelandair (€514).

Aer Lingus connects Boston to Dublin with 14 flights per week. JetBlue also offers 7 flights per week, while Delta follows with 7 flights per week.

Weekly flights between Boston and Dublin historically see delays in approximately 7% of cases, with the average delay over the past year being 147 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Friday has typically experienced more delays than other days.

Based on our data, Aer Lingus have experienced the fewest delays on this route in the past 12 months, with only about 5% of their flights encountering any delays.

Montreal (YUL) is the top choice – 60% of KAYAK users who clicked on one-stop flights from Boston to Dublin picked an itinerary connecting there.

Flights via Newark (EWR) offer the most affordable fares, with an average price of €373 for a return.

Consider flying via Newark (EWR) for the shortest journey. The average one-way travel time for flights connecting there is 9h 10m.

If you prefer a quick connection, Montreal (YUL) often has the shortest stopovers from Boston to Dublin, with an average time of 2h 56m.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are 4 direct flights that take off from Boston and land in Dublin, with an average flight time of 6h 09m. The most common departure time is 21:00 and most flights take off in the evening. Each week, there are 28 flights and there are the same number of flights each day (4).