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

Return flights

28 Sep - 06 Oct	Norse Atlantic Airways (UK)
17 Sep - 26 Sep	Aer Lingus	direct
21 Sep - 30 Sep	Aer Lingus	direct
16 Sep - 16 Oct	Air France
17 Sep - 17 Oct	Air France
23 Sep - 26 Sep	Spirit Airlines
23 Sep - 29 Sep	British Airways
19 Sep - 22 Sep	Spirit Airlines
17 Sep - 21 Sep	Air Canada
21 Sep - 28 Sep	Aer Lingus	direct
17 Sep - 21 Sep	Aer Lingus	direct
27 Sep - 30 Sep	Aer Lingus	direct
28 Sep - 06 Oct	Aer Lingus	direct
14 Sep - 23 Sep	jetBlue
14 Sep - 04 Oct	jetBlue
20 Sep - 20 Oct	Air Canada
14 Sep - 04 Oct	Aer Lingus	direct

Also check the deals for one-way flights from Orlando 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 Orlando to Dublin in September from $451

Return flights