This page does one job: keep an eye on return fares from Dublin to Boston. You get the cheapest price we have on record, the exact dates it was available on, and how that sits against what the route normally costs.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Dublin? We track 42 other departure cities for Boston, listed at the foot of this page.
Dublin → Boston
for 13 Oct – 25 Oct 2026
✓ live-checked 23 hours ago
Check live price on Skyscanner →Price history 55 checks recorded for this route
lowest seen €163 · typical €455 · highest €669 · now €435
The cheapest Dublin to Boston return flight on the radar right now is €435, flying with Lufthansa via one or more connections. It covers departures in October 2026, and every dated link below opens that exact DUB–BOS search on Skyscanner. The price we usually record on this route is €455. Across 55 recorded checks it has ranged between €163 and €669. Our sampling points to October 2026 as the cheapest month to fly Dublin to Boston.
Dublin to Boston flights: common questions
How much is a flight from Dublin to Boston?
The lowest return fare we currently track from Dublin (DUB) to Boston (BOS) is €435. The typical price on this route is €455, so anything near €435 is worth booking quickly. Over 55 recorded checks we have seen it as low as €163 and as high as €669.
Which airline flies from Dublin to Boston at this price?
This €435 fare is with Lufthansa, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from Dublin to Boston?
This €435 fare includes at least one connection. If you need a non-stop Dublin to Boston flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from Dublin to Boston?
Our price sampling points to October 2026 as the cheapest departure month on this route. The dated links on this page cover October 2026.
Is the €435 Dublin to Boston fare still available?
We last confirmed this €435 fare against live Skyscanner availability 23 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this Dublin to Boston deal?
Pick a date pair above or press Check live price. That opens the exact DUB–BOS search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every Dublin to Boston price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Dublin to Boston is often still worth booking within a day or two of the fare we found.