Cheap Flights from Southampton to London

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Flight deals from Southampton to London

Looking for a cheap last-minute deal or the best return flight from Southampton Airport to London? If you want to travel next month, return fares start from R 2,545. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Southampton to London

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

Southampton to London: Flight information

The things to know before you go.
Cheapest flight foundR 1,237
Cheapest month to flyJune

Finding cheap flights from Southampton to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Southampton to London is R 2,239. 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.
Currently, there are no airlines that fly direct from Southampton to London. But we found flights with one or more stops from R 2,239.
As of April 2026, there are no flights flying from Southampton to London.
The cheapest month to fly from Southampton to London is usually June.
If you're flying from Southampton Airport, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from R 2,239.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Southampton Airport to London on Tuesday, 2 June 2026.
No airlines currently offer direct flights between Southampton Airport and London. Most routes have one or more stops.
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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 9°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, easyJet offers the cheapest flight tickets to London.

Travelling from Southampton Airport (SOU) to London: what you need to know

  • London's timezone is UTC+0, which is the same as Southampton (the location of Southampton Airport).

  • For a relaxed start to your SOU to London flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Be prepared for longer lines during popular months such as August. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you plenty of time for security and boarding.

  • The journey from central Southampton to SOU takes around 25 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 6 kilometres in 20 minutes or so, depending on traffic conditions.

  • Want an easy start to your journey? Stay near SOU. Whether you're boarding an early flight from Southampton Airport to London or don't want departure day to feel hectic, these hotels put convenience first:

  • 55.7% of flights that depart Southampton Airport arrive at their destination on time.

How to find the cheapest flights from Southampton Airport (SOU) to London

  • R 1,237 is the cheapest price we've seen for a one-way Southampton Airport to London flight. A round-trip plane ticket right now is R 2,239. Depending on the availability and when you book, these fares can change.

  • To pick up cheap flights from SOU to London, book in advance. Airlines typically offer their most competitively priced fares when tickets first go on sale.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price across each month when looking for your Southampton Airport to London ticket.

  • There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll notify you when there's an even bigger deal on cheap flights from SOU to London.

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

Airports in London

London Heathrow Airport (LHR)

  • The distance from London Heathrow Airport (LHR) to central London is roughly 31 kilometres. It takes about 55 minutes to reach the centre driving.

  • If you're travelling by public transport, expect a journey time of around 1 hour.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Southampton Airport to London. Book one of these accommodation options near LHR instead:

  • Pick up a London Heathrow Airport rental car and discover London and beyond with your own set of wheels. Surprice, U-Save and Green Motion are top providers to choose from here.

  • Booking your ride from London Heathrow Airport about one week ahead of your flight from SOU to London can help you secure the lowest rate.

London Gatwick Airport (LGW)

  • London Gatwick Airport (LGW) is around 80 kilometres from central London. After your flight from Southampton Airport to London, it'll take you around 1 hour 20 minutes to reach the heart of the city in a ride-share or cab.

  • Travelling by public transport will take about 30 minutes.

  • You'll find some great places to call home for the night near LGW. Kick back and get cosy after your SOU to London flight at one of these perfectly located options:

  • Forget about public transport schedules or long cab lines. Grab a London Gatwick Airport rental car and let your trip unfold on your terms. Check out the rates and availability from Green Motion, U-Save and Drivalia.

  • Avoid last-minute price surges. Securing your ride three weeks ahead of your arrival at LGW will help you stay within budget.

Stansted Airport (STN)

  • Hop off your flight from Southampton Airport to London and make your way to your hotel or jump right into sightseeing. Central London is around 64 kilometres from Stansted Airport (STN) and typically takes 1 hour to drive there.

  • Public transport will take you there in roughly 1 hour 25 minutes.

  • Find a hotel close to STN and get from baggage claim to your bed in a snap. Whether you're coming in on a late SOU to London flight or just want an easier arrival, these stays offer convenience when you need it most:

  • Be in the driver's seat of the next part of your journey by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar make getting on the road effortless.

  • Enjoy a payoff when you plan ahead. Book your vehicle from STN four weeks before your flight from Southampton Airport to London for the best rates.

Best time to go to London

  • Visit London during high season if you want a busy atmosphere, but remember that prices tend to be higher. Alternatively, book your flights from Southampton Airport to London in the low season when prices are cheaper and crowds are smaller.

  • When booking your Southampton Airport to London plane ticket, think about the weather you're most comfortable in. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • For cooler conditions, search for a cheap ticket from SOU to London in January when temperatures average between 0ºC (32ºF) and 9ºC (48ºF).

More about London

Explore more of United Kingdom

  • London is always a good idea, but there are so many other parts of United Kingdom just waiting to be discovered. About 161 kilometres north-west of London, a trip to Birmingham will keep you busy. Start with leading sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another must-experience destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

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