Cheapest return flights from Southampton to Dublin in December from $144

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

Return flights

08 Dec - 11 Dec Aer Lingus direct
12 Dec - 15 Dec Aer Lingus direct
12 Dec - 16 Dec Aer Lingus direct
12 Dec - 14 Dec Aer Lingus direct
04 Dec - 07 Dec Aer Lingus direct
05 Dec - 07 Dec Aer Lingus direct
13 Dec - 14 Dec Aer Lingus direct
15 Dec - 30 Dec Aer Lingus direct
27 Dec - 31 Dec Aer Lingus direct
23 Dec - 23 Dec 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.