Cheapest return flights from Southampton to Dublin in December from $115

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

Return flights

17 Dec - 24 Dec Aer Lingus direct
24 Dec - 29 Dec Aer Lingus direct
09 Dec - 10 Dec Aer Lingus direct
09 Dec - 11 Dec Aer Lingus direct
23 Dec - 30 Dec Aer Lingus direct
16 Dec - 20 Jan Aer Lingus direct
10 Dec - 11 Dec Aer Lingus direct
15 Dec - 17 Dec Aer Lingus direct
08 Dec - 10 Dec Aer Lingus direct
23 Dec - 26 Dec Aer Lingus direct
11 Dec - 12 Dec Aer Lingus direct
26 Dec - 03 Jan Aer Lingus direct
30 Dec - 03 Jan Aer Lingus direct
22 Dec - 04 Jan Aer Lingus direct
30 Dec - 02 Jan Aer Lingus direct
29 Dec - 02 Jan Aer Lingus direct
31 Dec - 02 Jan Aer Lingus direct
28 Dec - 02 Jan Aer Lingus direct

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

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.