What is the cheapest month to fly from Boston to Dublin?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Boston (BOS) to Dublin (DUB), with fares starting from $312.

What is the lowest current fare from BOS to DUB?

The lowest currently-listed fare from Boston (BOS) to Dublin (DUB) is $312 on 2026-06-29.

Direct flights from BOS to DUB cover approximately 4,805 km (2,986 miles), with an estimated flight time of 5h 39m. Operating airlines: B6, DL, EI.

Cheapest current fares: $312 in June 2026, 4,805 km direct flight in ~5h 39m.

Last updated May 23, 2026 · By Flightmaps Editorial

Lowest available fare per calendar month from Boston (BOS) to Dublin (DUB). Refreshed daily.

What is the cheapest month to fly from Boston to Dublin?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Boston (BOS) to Dublin (DUB), with fares starting from $312.
What is the lowest current fare from BOS to DUB?

The lowest currently-listed fare from Boston (BOS) to Dublin (DUB) is $312 on 2026-06-29.
How long is the flight from Boston to Dublin?

Direct flights from BOS to DUB cover approximately 4,805 km (2,986 miles), with an estimated flight time of 5h 39m. Operating airlines: B6, DL, EI.

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.