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

Return flights

02 Sep - 16 Sep	Lufthansa
03 Sep - 10 Sep	Lufthansa
08 Sep - 18 Sep	Lufthansa
01 Sep - 09 Sep	Air Canada
02 Sep - 16 Sep	Aer Lingus	direct
10 Sep - 19 Sep	Aer Lingus	direct
01 Sep - 09 Sep	Aer Lingus	direct
03 Sep - 10 Sep	Aer Lingus	direct
09 Sep - 16 Sep	Aer Lingus	direct
08 Sep - 18 Sep	Aer Lingus	direct
30 Sep - 21 Oct	Aer Lingus	direct
30 Sep - 07 Oct	United
27 Sep - 04 Oct	United
25 Sep - 10 Oct	Air Canada
26 Sep - 01 Oct	Frontier Airlines
25 Sep - 10 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 388€

Return flights