Cheapest return flights from Boston to Dublin in September from $319

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

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

Return flights

11 Sep - 15 Sep Fly Play
15 Sep - 24 Sep Fly Play
24 Sep - 01 Oct Fly Play
09 Sep - 16 Sep Fly Play
08 Sep - 22 Sep Scandinavian Airlines
30 Sep - 07 Oct Fly Play
03 Sep - 08 Sep Fly Play
24 Sep - 18 Oct Fly Play
25 Sep - 29 Sep Fly Play
21 Sep - 05 Oct Scandinavian Airlines
25 Sep - 30 Sep Fly Play
19 Sep - 22 Sep Scandinavian Airlines
18 Sep - 22 Sep Scandinavian Airlines
12 Sep - 19 Sep Icelandair
24 Sep - 19 Oct Icelandair
30 Sep - 07 Oct Delta direct
24 Sep - 01 Oct Air France direct
24 Sep - 18 Oct Air France direct
24 Sep - 19 Oct Air France direct
21 Sep - 05 Oct Air France direct

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