AirHint found the following cheapest return flights from Dublin (DUB) to Isle Of Man (IOM) in September 2025 (see full year).

Return flights

01 Sep - 04 Sep	Aer Lingus	direct
06 Sep - 10 Sep	Aer Lingus	direct
01 Sep - 05 Sep	Aer Lingus	direct
13 Sep - 15 Sep	Aer Lingus	direct
19 Sep - 22 Sep	Aer Lingus
19 Sep - 22 Sep	Aer Lingus	direct
14 Sep - 17 Sep	Aer Lingus	direct

Also check the deals for one-way flights from Dublin to Isle Of Man 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.

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Cheapest return flights from Dublin to Isle Of Man in September from $91

Return flights