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

Return flights

10 Dec - 11 Jan	Scandinavian Airlines
09 Dec - 11 Dec	FrenchBee
04 Dec - 10 Dec	Frontier Airlines
05 Dec - 12 Dec	TAP
03 Dec - 14 Dec	TAP
08 Dec - 15 Dec	SWISS
03 Dec - 09 Jan	TAP
10 Dec - 12 Dec	Austrian Airlines
31 Dec - 07 Jan	Aer Lingus	direct
07 Dec - 10 Dec	Aer Lingus	direct
10 Dec - 12 Dec	Aer Lingus	direct
07 Dec - 14 Dec	Aer Lingus	direct
10 Dec - 11 Jan	Aer Lingus	direct
28 Dec - 31 Dec	Delta
03 Dec - 09 Jan	Aer Lingus	direct
30 Dec - 31 Jan	Aer Lingus
17 Dec - 04 Jan	Spirit Airlines
19 Dec - 05 Jan	Arajet
16 Dec - 03 Jan	FrenchBee
17 Dec - 03 Jan	Spirit Airlines

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

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Miami to Dublin in December from 496€

Return flights