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

Return flights

07 Dec - 14 Dec	United
06 Dec - 09 Dec	Aer Lingus	direct
12 Dec - 19 Dec	Delta
15 Dec - 01 Jan	Norse Atlantic Airways (UK)
23 Dec - 05 Jan	Air Canada
17 Dec - 24 Dec	United
21 Dec - 03 Jan	Norse Atlantic Airways (UK)
15 Dec - 01 Jan	Aer Lingus	direct
27 Dec - 03 Jan	Aer Lingus	direct
20 Dec - 27 Dec	TAP
18 Dec - 25 Dec	Norse Atlantic Airways (UK)
20 Dec - 03 Jan	Air Transat
23 Dec - 05 Jan	Aer Lingus	direct
20 Dec - 03 Jan	Aer Lingus	direct

Also check the deals for one-way flights from Orlando 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.

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Cheapest return flights from Orlando to Dublin in December from $658

Return flights