Cheap Flights from Belfast City to Southampton

Compare Belfast City to Southampton flight deals

Find the cheapest month or even day of the year to fly to Southampton

Book the best Southampton fare with no extra fees

Flight deals from Belfast City to Southampton

Looking for a cheap last-minute deal or the best return flight from Belfast City to Southampton? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Belfast City to Southampton

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast City to Southampton flights are currently cheapest in April.

Direct flights from Belfast City to Southampton

Belfast City to Southampton: Alternative routes

Compare routes from Belfast City to Southampton below. You may find an airport to fly into that's cheaper, faster, or easier than Southampton.

Belfast to Southampton: Flight information

The things to know before you go.
Cheapest flight foundR 1,048
Cheapest month to flyApril
Average flight time1 hr, 39 mins
Most popular airlineAer Lingus
Average flights per week44

Finding cheap flights from Belfast City to Southampton: Frequently asked questions

The best price we found for a return flight from Belfast City to Southampton is R 2,051. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 39 minutes is the average flight time from Belfast City to Southampton.
Aer Lingus and British Airways fly direct from Belfast City to Southampton.
As of February 2026, there are 44 flights per week flying from Belfast City to Southampton.
The cheapest month to fly from Belfast City to Southampton is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Belfast City Airport to Southampton Airport on Tuesday, 16 June 2026.
Yes – the average flight time is 1 hour and 39 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Southampton but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Southampton is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Aer Lingus offers the cheapest flight tickets to Southampton.

Flying from George Best Belfast City Airport (BHD) to Southampton Airport (SOU): what you need to know

  • The average length of a direct flight from George Best Belfast City Airport to Southampton Airport is 1 hour 40 minutes.

  • Belfast and Southampton follow the same timezone, UTC+0.

  • Take your pick of 56 weekly George Best Belfast City Airport to Southampton Airport flights. The 07:00 departure with Aer Lingus is the earliest flight available. Aer Lingus operates the last service of the day at 17:20.

  • To ensure you catch your BHD to SOU flight, leave enough time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Travelling during a peak month like July? Public holidays and other popular periods can mean longer queues at security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • Aer Lingus is your ticket to exploring Southampton (and perhaps some other exciting corners of United Kingdom!). Check out the direct flights from George Best Belfast City Airport to Southampton Airport offered by this carrier.

  • The airline most travellers fly with on this route is Aer Lingus.

  • Among carriers operating BHD to SOU flights, Aer Lingus has the highest rate of on-time arrivals.

  • Consider adding a stopover when booking your ticket from George Best Belfast City Airport to Southampton Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between BHD and SOU:

    • Glasgow International Airport

    • Edinburgh Airport

    • Newcastle International Airport

How to find the cheapest flights from George Best Belfast City Airport (BHD) to Southampton Airport (SOU)

  • The lowest price we've found for a one-way George Best Belfast City Airport to Southampton Airport flight is R 1,048. A return ticket right now is R 2,051. Depending on the availability when you book, these fares could change.

  • Get cheap tickets from BHD to SOU by booking six months ahead. According to our research, that's the sweet spot for bagging a bargain.

  • May is the cheapest month for flights from George Best Belfast City Airport to Southampton Airport. If you need to fly at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from BHD to SOU.

  • Tailor your trip with filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from George Best Belfast City Airport to Southampton Airport.

Handy information about George Best Belfast City Airport (BHD)

  • Of all flights departing from George Best Belfast City Airport, 68.3% arrive on time at their destination.

  • George Best Belfast City Airport is about 8 kilometres from central Belfast. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 10 minutes or so to get there, depending on the traffic.

  • The journey on public transport typically takes 20 minutes.

  • Searching for a convenient hotel near BHD? If you've booked an early flight from George Best Belfast City Airport to Southampton Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Southampton Airport (SOU)

Getting from Southampton Airport (SOU) to central Southampton

  • Southampton Airport is approximately 8 kilometres from central Southampton. The drive time takes about 20 minutes.

  • If you're using public transport, expect a journey time of around 25 minutes.

When to fly to Southampton Airport (SOU)

  • August is the most popular month for flights from George Best Belfast City Airport to Southampton Airport. To skip the crowds, go to Southampton in April.

  • The warmest month in Southampton is July, with temperatures ranging between 11ºC (52ºF) and 24ºC (75ºF). Lock in your flights from George Best Belfast City Airport to Southampton Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from BHD to SOU in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United Kingdom

  • Southampton is always a good idea, but there are so many other corners of United Kingdom just waiting to be explored. About 113 kilometres north-east of Southampton, a trip to London will keep your itinerary packed. Check out popular attractions like Big Ben, The British Museum and Buckingham Palace.

  • Around 177 kilometres north of Southampton, Birmingham is another essential stop in United Kingdom. Experience the best of this destination with a visit to Cadbury World, The Library of Birmingham and National Sea Life Centre.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.