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

Return flights

03 Sep - 12 Sep	Lufthansa
02 Sep - 05 Sep	Aer Lingus	direct
03 Sep - 12 Sep	Aer Lingus	direct
02 Sep - 09 Sep	Aer Lingus	direct
10 Sep - 22 Sep	Air Canada
17 Sep - 24 Sep	Air Canada
30 Sep - 21 Oct	Lufthansa
05 Sep - 12 Sep	Aer Lingus	direct
11 Sep - 18 Sep	Aer Lingus	direct
10 Sep - 22 Sep	Aer Lingus	direct
17 Sep - 24 Sep	Aer Lingus	direct
19 Sep - 10 Oct	Air Canada
26 Sep - 08 Oct	Air Canada
29 Sep - 06 Oct	United
30 Sep - 21 Oct	Aer Lingus	direct
26 Sep - 08 Oct	Aer Lingus	direct

Also check the deals for one-way flights from Cleveland 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.

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Cheapest return flights from Cleveland to Dublin in September from $488

Return flights