Cheap Flights Boston to Dublin from £183

Flight FAQs

• Which airlines offer the cheapest flights from Boston (BOS) to Dublin (DUB)?

  Based on Trip.com data, Icelandair offers one-way fares as low as £183 on Cheapest nonstop routes (e.g. BOS to DUB on Mon, Aug 24), while Air Canada offers Cheapest nonstop round-trips from £432 departing on Tue, Sep 1 and returning on Tue, Sep 8.

• Which airlines offer direct flights from Boston to Dublin?

  At the moment, you can catch a direct flight from Boston to Dublin with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from Boston (BOS) to Dublin (DUB)?

  It takes about 6 hours 7 minutes to fly from Boston (BOS) to Dublin (DUB).

• When is the best time to book flights from Boston to Dublin?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Dublin is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Boston to Dublin?

  Based on Trip.com data in the past 4 weeks, there is 37 flight per week flying from Boston to Dublin. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL154 (00:28)

• How can I find the best deals on flights from Boston to Dublin?

  To find best deals on flights from Boston to Dublin, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Aug 24, with one-way flights priced at just £183.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Dublin travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Boston to Dublin to get the best price?

  The cheapest months to fly from Boston to Dublin is November, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Boston to Dublin?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Boston to Dublin on August 29, 2026 with Icelandair, with prices starting at £168.

• Which airports can I fly through when travelling to Dublin from Boston?

  You can land at any one of the following hubs in Dublin, with Boston Logan International Airport to Dublin Airport (BOS-DUB) is by far the most common option on this route: Dublin Airport (DUB).

• What is the time difference between Boston and Dublin?

  The time difference between Dublin and Boston is 5h.

• How can I change or cancel my flight ticket from Boston to Dublin?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Boston to Dublin?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Boston to Dublin is £364. Fares vary by travel date, airline and availability.

• What is the average cost of a return flight from Boston to Dublin?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Boston to Dublin is £640. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Boston to Dublin on Trip.com?

  Enter Boston and Dublin, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Boston to Dublin route?

  Jetblue Airwaysare the most popular budget airlines flying from Boston to Dublin. Check baggage, seat and payment fees before comparing the final price.