£37 Find Cheap Flights from Southampton to Belfast – Compare and Save

The cheapest return flight from Southampton to Belfast costs £77 on the route between Southampton (SOU) and Belfast City Airport (BHD). Over the past month, this route was, on average, 11% cheaper than other Southampton-Belfast routes. It is also the most popular route.

When flying from Southampton to Belfast, you should consider leaving on a Saturday and avoid Sundays if you are looking for the best rates. For your return to Southampton, you’ll find the best rates on Tuesdays and the most expensive ones on Sundays.

The cheapest month for flights from Southampton to Belfast is September, where tickets cost £104 (return) on average. On the other hand, the most expensive months are December and February, where the average cost of round-trip tickets is £163 and £140 respectively.

To get a below average price on the flight from Southampton to Belfast, you should book around 2 weeks before departure, which saves you about 18% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

In the past 5 days, the cheapest return tickets from Southampton to Belfast were found on easyJet (£41) and Aer Lingus (£71).

There are 2 airlines that fly direct from Southampton to Belfast. They are Aer Lingus and easyJet. The cheapest airline for this route is easyJet, with the best return deal found costing £50. On average, the best prices for this route can be found at easyJet.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 3 and 4 direct flights that take off from Southampton and land in Belfast, with an average flight time of 1h 31m. The most common departure time is 12:00 and most flights take off in the morning, while the most flights land at Belfast City Airport. Each week, there are 25 flights. The most frequent day of departure is Monday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday.