Cheapest return flights from Boston to Dublin in September from $351
AirHint found the following cheapest return flights from Boston (BOS) to Dublin (DUB) in September 2025 (see full year).
Return flights
| 03 Sep - 10 Sep | Fly Play | ||
| 06 Sep - 13 Sep | Fly Play | ||
| 04 Sep - 15 Sep | Fly Play | ||
| 03 Sep - 10 Sep | Aer Lingus | direct | |
| 06 Sep - 13 Sep | Aer Lingus | direct | |
| 04 Sep - 15 Sep | Aer Lingus | direct | |
| 15 Sep - 22 Sep | United |
Also check the deals for one-way flights from Boston to Dublin in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
