Aer LingusDepart19:40
Mon 16 NovSOU → BHD
1h 35m · Direct
£40one way, per person
View deal
- Cheapest fare
- £40
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 35m
Aer Lingus · Mon 16 Nov
from £40
Aer Lingus
510 km
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Cheapest month to fly from Southampton to Belfast
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →Plan the rest of your trip to Belfast
Where to stay, what to do and getting around, from our travel partners.
About flights from Southampton to Belfast
Southampton (SOU) and Belfast (BFS) are about 510 km apart. Direct flights take around 1h 35m, and recent direct fares were with Aer Lingus. Over the next few months, one-way fares start from £40, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Southampton to Belfast?
The cheapest one-way fare we've seen recently is £40 with Aer Lingus, departing Monday, 16 November 2026.
What is the cheapest month to fly from Southampton to Belfast?
November 2026 currently has the lowest fares, from £40 one way.
Are there direct flights from Southampton to Belfast?
Yes. Recent direct fares were with Aer Lingus.
How long is the flight from Southampton to Belfast?
A direct flight takes about 1h 35m. Southampton and Belfast are around 510 km apart.
Which airlines fly from Southampton to Belfast?
Recent fares on this route were with Aer Lingus.
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