Boston to Dublin flights
Find your dates. Discover your next journey.
- Lowest observed
- €242, departing 16 Oct 2026 (Last checked: 7 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 13Check live prices for this route
- Airlines seen
- Aer Lingus, Air Canada, British Airways, Delta Air Lines, Iberia, Icelandair +3 more
- Reported fastest flight
- 6h
- Non-stop
- Yes
Your next trip, last seen at €242
Lowest observedWhen to fly
Explore datesMore dates worth a look
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
About this route
Explore the fares we observed from Boston to Dublin. Prices move often, so pick your dates to see the latest options.
- Route distance
- 4,809 km
- Reported fastest flight
- 6h
- Airlines seen
- Aer Lingus, Air Canada, British Airways, Delta Air Lines, Iberia, Icelandair +3 more
- Alternative airports
- PSM
Route-level information; individual journeys vary.
Published schedules report non-stop service with Aer Lingus. Check current timetables.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Aer Lingus | 3 / 13 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 km.
- Dublin Airport (DUB) → Dublin, city gazetteer reference point (53.3498, -6.2603): ≈ 9 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Boston to Dublin: British Airways, from €255 (checked 6 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| British Airways | €255Feb 18, 2027 | 5 |
| Aer Lingus | €262Jan 24, 2027 | 4 |
| Delta Air Lines | €262Mar 17, 2027 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Boston to Dublin?
The lowest fare we have observed is €242, found on 7 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Boston to Dublin?
In our observations October 2026 is the cheapest month so far, at €242.
Are there direct flights from Boston to Dublin?
Yes. We have seen non-stop flights on this route, flown by Aer Lingus.
Which airlines fly from Boston to Dublin?
These are the carriers we have seen on the route: Aer Lingus, Air Canada, British Airways, Delta Air Lines, Iberia, Icelandair +3 more.
How many of the observed Boston to Dublin fares were non-stop?
6 of the 8 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Boston to Dublin?
For Boston to Dublin, examples of observed one-way non-stop offers checked within the last 14 days: Aer Lingus (3). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Boston to Dublin?
Cheapest airline from Boston to Dublin: British Airways, from €255 (checked 6 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 7 Oct 2026