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

Return flights

09 Dec - 16 Dec	Aer Lingus	direct
01 Dec - 08 Dec	Aer Lingus	direct
11 Dec - 18 Dec	Aer Lingus	direct
07 Dec - 14 Dec	Delta
13 Dec - 20 Dec	Aer Lingus	direct
15 Dec - 22 Dec	Aer Lingus	direct
16 Dec - 22 Dec	Aer Lingus	direct
05 Dec - 12 Dec	Aer Lingus
16 Dec - 29 Dec	jetBlue
16 Dec - 29 Dec	Aer Lingus	direct
23 Dec - 01 Jan	jetBlue
21 Dec - 10 Jan	Breeze Airways
23 Dec - 01 Jan	Aer Lingus	direct
25 Dec - 03 Jan	jetBlue
26 Dec - 03 Jan	Aer Lingus
28 Dec - 04 Jan	Aer Lingus

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