Cheapest return flights from Southampton to Belfast in December from 103€

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

Return flights

04 Dec - 07 Dec Aer Lingus direct
31 Dec - 11 Jan Aer Lingus direct
20 Dec - 04 Jan Aer Lingus direct
20 Dec - 30 Dec Aer Lingus direct
23 Dec - 28 Dec Aer Lingus direct
19 Dec - 20 Dec Aer Lingus direct
22 Dec - 28 Dec Aer Lingus direct
24 Dec - 26 Dec Aer Lingus direct
24 Dec - 27 Dec Aer Lingus direct
29 Dec - 02 Jan Aer Lingus direct
26 Dec - 02 Jan Aer Lingus direct
19 Dec - 21 Dec Aer Lingus direct
30 Dec - 02 Jan Aer Lingus direct
27 Dec - 28 Dec Aer Lingus direct

Also check the deals for one-way flights from Southampton to Belfast 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.

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