Cheapest return flights from Dublin to Boston in September from $334

Best time to book flights for Dublin (DUB) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from Dublin (DUB) to Boston (BOS) in September 2025 (see full year).

Return flights

15 Sep - 20 Sep Fly Play
10 Sep - 24 Sep Fly Play
16 Sep - 30 Sep Fly Play
10 Sep - 17 Sep Fly Play
08 Sep - 17 Sep Fly Play
18 Sep - 23 Sep Fly Play
13 Sep - 27 Sep Fly Play
13 Sep - 20 Sep Fly Play
05 Sep - 13 Sep Fly Play
25 Sep - 30 Sep Fly Play
30 Sep - 22 Oct Fly Play
30 Sep - 07 Oct Fly Play
20 Sep - 08 Oct Fly Play
29 Sep - 13 Oct Fly Play
20 Sep - 04 Oct Fly Play
09 Sep - 01 Oct Fly Play
09 Sep - 01 Oct Aer Lingus direct
20 Sep - 04 Oct Aer Lingus direct
20 Sep - 08 Oct Aer Lingus direct
29 Sep - 13 Oct Aer Lingus direct

Also check the deals for one-way flights from Dublin to Boston in September.

Skyscanner

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.

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