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Cheapest one-way flights from Southampton (SOU) to Belfast (BFS), December

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
18 Dec	Aer Lingus Direct Flight
30 Dec	Aer Lingus Direct Flight
20 Dec	Aer Lingus Direct Flight
19 Dec	easyJet
19 Dec	Aer Lingus Direct Flight

deals for return flights from Southampton to Belfast in December.

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Updated Jul 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Southampton (SOU) to Belfast (BFS), December

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