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

Return flights

04 Dec - 08 Dec	Aer Lingus	direct
09 Dec - 16 Dec	Aer Lingus	direct
29 Dec - 24 Jan	United
16 Dec - 22 Dec	Aer Lingus	direct
15 Dec - 22 Dec	Aer Lingus	direct
22 Dec - 17 Jan	United
11 Dec - 18 Dec	Aer Lingus	direct
07 Dec - 14 Dec	Aer Lingus
22 Dec - 29 Dec	Aer Lingus	direct
30 Dec - 06 Jan	Delta
23 Dec - 30 Dec	Aer Lingus	direct
23 Dec - 28 Dec	United
18 Dec - 10 Jan	Breeze Airways
21 Dec - 10 Jan	Breeze Airways
17 Dec - 10 Jan	United
13 Dec - 20 Dec	Aer Lingus	direct
23 Dec - 01 Jan	United
23 Dec - 01 Jan	Aer Lingus	direct

Also check the deals for one-way flights from Windsor Locks 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 Windsor Locks to Dublin in December from 403€

Return flights