Cheapest return flights from Southampton to Belfast in August from $68

Best time to book flights for Southampton (SOU) to Belfast (BFS) flights at AirHint

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

Return flights

25 Aug - 28 Aug easyJet direct
24 Aug - 27 Aug easyJet
26 Aug - 31 Aug Aer Lingus direct
24 Aug - 27 Aug Aer Lingus direct

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

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 Belfast

Cheap car rent in Belfast