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

Return flights

05 Dec - 08 Dec	Scandinavian Airlines
05 Dec - 10 Dec	Scandinavian Airlines
03 Dec - 12 Dec	Scandinavian Airlines
01 Dec - 08 Dec	Scandinavian Airlines
07 Dec - 14 Dec	Icelandair
11 Dec - 09 Jan	Scandinavian Airlines
03 Dec - 07 Dec	Scandinavian Airlines
10 Dec - 14 Dec	Lufthansa
05 Dec - 19 Dec	Scandinavian Airlines
06 Dec - 13 Dec	SWISS
15 Dec - 22 Dec	Scandinavian Airlines
31 Dec - 07 Jan	Delta
23 Dec - 01 Jan	Delta
29 Dec - 06 Jan	Delta
28 Dec - 07 Jan	United
14 Dec - 04 Jan	Delta
05 Dec - 04 Jan	Delta
22 Dec - 04 Jan	Delta
26 Dec - 11 Jan	United
26 Dec - 01 Jan	United

Also check the deals for one-way flights from Dublin to Miami in December.

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 December from $390

Return flights