Cheap flights from Belfast to Southampton
Cheap return flights from Belfast to Southampton
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Southampton flight facts
What you need to know
What are the cheapest airlines?
- easyJet
- Ryanair
- British Airways
These airlines usually offer the cheapest flights from Belfast to Southampton.
What airlines fly indirectly?
- KLM
- Air France
- Lufthansa
These airlines fly from Belfast to Southampton, but you’ll have at least one layover.
How long is the flight?
1 hour 15 minutes
This is the shortest flight time from Belfast to Southampton.
Alternative flights from the UK to Southampton
Check out prices for other routes
Alternative flights from Belfast
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Belfast/Southampton route. There are around 35 flights on any given week from the UK to Southampton and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Belfast to Southampton
Tips and advice from our flight experts
You've searched for flights from Belfast to Southampton. We've found 15 flights and compared them to give you the best offer. easyJet is, on average, the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route from Belfast to Southampton on 28/06/2026 at 12:20 for £53.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 500 km flight from Belfast to Southampton.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. EasyJet is a popular choice for this route, with an average flight duration of 1 hour 15 minutes. After selecting an offer, fill out your information, proceed to payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Southampton
Where other people are flying to
