Cheapest one-way flights from Boston to Dublin in September from 165€

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

One-Way flights

07 Sep Icelandair
09 Sep Spirit Airlines
03 Sep Spirit Airlines
06 Sep Fly Play
24 Sep Spirit Airlines
23 Sep Spirit Airlines
05 Sep Icelandair
30 Sep Spirit Airlines
08 Sep Spirit Airlines
29 Sep Spirit Airlines

Also check the deals for return 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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