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

Return flights

16 Sep - 25 Sep	TAP
19 Sep - 27 Sep	TAP
26 Sep - 02 Oct	TAP
26 Sep - 09 Oct	TAP
22 Sep - 07 Oct	TAP
20 Sep - 04 Oct	TAP
03 Sep - 06 Sep	Fly Play
18 Sep - 22 Sep	Ryanair
04 Sep - 14 Sep	Ryanair
20 Sep - 26 Sep	Fly Play
04 Sep - 10 Sep	Ryanair
18 Sep - 21 Sep	Ryanair
20 Sep - 28 Sep	Fly Play
18 Sep - 28 Sep	Fly Play
25 Sep - 01 Oct	Ryanair
25 Sep - 03 Oct	Ryanair
25 Sep - 02 Oct	Ryanair
18 Sep - 07 Oct	Ryanair
27 Sep - 05 Oct	Fly Play
18 Sep - 06 Oct	Ryanair

Also check the deals for one-way flights from Dublin to Miami 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 Miami in September from $433

Return flights