Cheapest return flights from Southampton to Belfast in September from 38€

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

Return flights

25 Sep - 26 Sep easyJet direct
15 Sep - 27 Sep easyJet direct
07 Sep - 08 Sep easyJet direct
18 Sep - 19 Sep easyJet
05 Sep - 07 Sep easyJet direct
08 Sep - 15 Sep easyJet direct
27 Sep - 29 Sep easyJet direct
13 Sep - 15 Sep easyJet
04 Sep - 07 Sep Aer Lingus direct
28 Sep - 02 Oct Aer Lingus direct
09 Sep - 13 Sep Aer Lingus direct
29 Sep - 02 Oct Aer Lingus direct

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

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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