Aer LingusDepart20:00
Tue 1 DecSOU → OTP
6h 30m · 2 stops
£142one way, per person
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- Cheapest fare
- £142
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 6h 30m
Aer Lingus · Tue 1 Dec
from £142
Usually 1+ stop
2,170 km
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Cheapest month to fly from Southampton to Bucharest
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Aer LingusPlan the rest of your trip to Bucharest
Where to stay, what to do and getting around, from our travel partners.
About flights from Southampton to Bucharest
Southampton (SOU) and Bucharest (BUH) are about 2,170 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 30m. Over the next few months, one-way fares start from £142, and December 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 Bucharest?
The cheapest one-way fare we've seen recently is £142 with Aer Lingus, departing Tuesday, 1 December 2026.
What is the cheapest month to fly from Southampton to Bucharest?
December 2026 currently has the lowest fares, from £142 one way.
Are there direct flights from Southampton to Bucharest?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Southampton to Bucharest?
The quickest journey we've seen takes about 6h 30m. Southampton and Bucharest are around 2,170 km apart.
Which airlines fly from Southampton to Bucharest?
Recent fares on this route were with Aer Lingus.
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