The Ha'penny Bridge over the River Liffey in central Dublin

Cheap Flights from Boston (BOS) to Dublin (DUB)

  • About 2,985 miles
  • About 6.5 hours
  • Best months: May, Jun, Jul
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From Boston (BOS) to Dublin (DUB), it is 2,985 miles and around 6.5 hours of flying. Recent fares from $558 give you room in the budget for Temple Bar.

Tips for finding a lower fare

  • Start searching 6 to 10 weeks before departure for the best mix of price and choice.
  • Flexible dates matter most. Shift your trip by a day or two and compare the results.
  • Check what each carrier includes on BOS to DUB so a cheap fare does not turn into an expensive one.

Airlines on this route

Aer Lingus, Delta

Things to see in Dublin

  • Temple Bar
  • Phoenix Park

Frequently asked questions

When is the cheapest time to fly from Boston to Dublin?

Fares on BOS to DUB are often lower in May, Jun and Jul. Prices move with demand, so compare a few dates on the partner site before you decide.

How long is the flight from BOS to DUB?

A nonstop flight takes about 6.5 hours. Itineraries with a connection take longer, depending on the layover.

Which airlines fly from Boston to Dublin?

Carriers we commonly see on this route include Aer Lingus and Delta. Schedules and availability change, so check current options when you search.

How far ahead should I book BOS to DUB?

For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.

Is the price I see here the final price?

No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.

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