Cheapest one-way flights from Southampton to Belfast in August from $118

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

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

One-Way flights

02 Aug easyJet direct

Also check the deals for return 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