Belfast → Southampton flights
Last observed price · Last checked: 1 Sep 2026 · Price may change
Short answer
The lowest fare our own searches returned is €20, seen on 1 Sep 2026. The average across the fares we caught is €54. September 2026 is the cheapest month in our observations, at €20. 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:✈ Belfast – London🚆 London – Southampton
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
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 Belfast to Southampton?+−
The lowest fare we have observed is €20, found on 1 Sep 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Belfast to Southampton?+−
In our observations September 2026 is the cheapest month so far, at €20.
We will email you when this route drops below €18.
Similar routes
More routes from Belfast
More routes to Southampton
Last checked: 1 Sep 2026