Southampton → Belfast flights
Last observed price · Last checked: 27 Aug 2026 · Price may change
Short answer
The lowest fare our own searches returned is €26, seen on 27 Aug 2026. The average across the fares we caught is €54. October 2026 is the cheapest month in our observations, at €26. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Fly via a nearby hub
- via London:🚆 Southampton – London✈ London – Belfast
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Round trip
Route facts
Frequently asked
How much is a flight from Southampton to Belfast?+−
The lowest fare we have observed is €26, found on 27 Aug 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Southampton to Belfast?+−
In our observations October 2026 is the cheapest month so far, at €26.
We will email you when this route drops below €23.
Similar routes
More routes from Southampton
More routes to Belfast
Last checked: 27 Aug 2026