Cheap Flights from Seoul to London

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Flight deals from Seoul to London

Looking for a cheap last-minute deal or the best return flight from Seoul to London? If you want to travel next month, return fares start from R 8,692. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to London

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

Direct flights from Seoul to London

Seoul to London: Flight information

The things to know before you go.
Cheapest flight foundR 2,734
Cheapest month to flyJune
Average flight time14 hrs, 35 mins
Most popular airlineVirgin Atlantic
Average flights per week174

Finding cheap flights from Seoul 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 Seoul to London is R 6,656. 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.
14 hours and 35 minutes is the average flight time from Seoul to London.
Virgin Atlantic, Korean Air and Asiana Airlines fly direct from Seoul to London.
As of January 2026, there are 29 flights per week flying from Seoul to London.
The cheapest month to fly from Seoul to London is usually March.
If you're flying from Seoul, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from R 6,656.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to London on Thursday, 12 March 2026.
Yes – the average flight time is 14 hours and 35 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 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 January, the average temperature is usually around 4°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.
The cheapest airline that flies to London is China Eastern. And the cheapest airline that flies to London Heathrow Airport is Asiana Airlines.

Flying from Seoul to London: what you need to know

  • Start your holiday planning by considering the departure point for your flight from Seoul to London. Incheon International Airport (ICN) and Gimpo International Airport (GMP) are the main airports in Seoul.

  • London has numerous airports you can fly into. Make your landing at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). Alternatively, arrive at London Luton Airport (LTN) or London City Airport (LCY).

  • The average time for a direct Seoul to London flight is 14 hours 30 minutes.

  • The timezone in London is UTC+0, which is nine hours behind Seoul.

  • Incheon International Airport (ICN) to London Heathrow Airport (LHR) is the most popular route between these two cities. There are 14 departures a week to choose from. If you have things to do before heading off, the last flight from Seoul to London is with Asiana Airlines at 14:30. Choose the first ICN to LHR departure with Korean Air at 10:40 to make the most of your arrival in London.

  • To ensure you catch your Seoul to London flight, leave plenty of time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is a good rule of thumb.

  • Flying during a popular month such as July? Public holidays and other popular periods can mean longer queues and delays at check-in and security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.

How to find the cheapest flights from Seoul to London

  • Get cheap Seoul to London flights by booking two months ahead. According to our research, that's the ideal time for finding a bargain.

  • Plan your trip for May. That's the best month for landing great bargains on plane tickets from Seoul to London. If you're open to different travel dates, use the 'Whole month' tool to find the lowest price across each month.

  • Stay on top of deals for cheap flights from Seoul to London by setting up a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.

  • Choose your preferred arrival and departure times, number of stops and airlines by using the filters. Or sort your Seoul to London flight results by 'Fastest,' 'Cheapest' or 'Best.'

Flying from Seoul

Incheon International Airport (ICN)

  • Take off from Incheon International Airport (ICN) on a nonstop flight from Seoul to London. From ICN, you can fly directly to London Heathrow Airport (LHR).

  • Keep an eye out for promotions with Korean Air. This carrier offers direct Seoul to London plane tickets from ICN.

  • We make it simple to find a Seoul to London flight with a stopover. To see your options leaving from Incheon International Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to tour the city of your choice. Popular stopovers include:

    • Shanghai Pudong International Airport (PVG)

    • Amsterdam Airport Schiphol (AMS)

    • Beijing Capital International Airport (PEK)

  • The distance from central Seoul to ICN is around 48 kilometres. Use Google Maps for the best way to get there, whether you prefer to drive or use public transport.

  • Looking for a convenient hotel close to Incheon International Airport? If you've booked an early flight from Seoul to London, these stays will put you moments from your departure gate:

  • Of all flights leaving Incheon International Airport, 54.5% land on time at their destination.

Gimpo International Airport (GMP)

  • Take some time to recharge during your Seoul to London flight with a stopover. Haneda Airport (HND) is a popular option between Gimpo International Airport and London.

  • The distance from Seoul's city centre to GMP is around 16 kilometres. Consider transport options and potential delays when working out the fastest way to get to the airport.

  • Start your holiday sooner with an additional night away from home. Before your flight from Seoul to London, stay in one of these hotels near Gimpo International Airport:

  • 76% of all departures from Gimpo International Airport arrive according to schedule.

Arriving in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London takes around 55 minutes by car. The centre is roughly 23 kilometres away.

  • Travelling to the centre by public transport typically takes 1 hour.

  • If you have a late flight from Seoul to London, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and relaxing soon after at one of these accommodation options near LHR:

  • Go wherever you want, whenever you want with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and find adventure across London and beyond.

  • Lock in the best possible rate by booking your ride from London Heathrow Airport about one week before your trip.

London Gatwick Airport (LGW)

  • Central London is about 40 kilometres from London Gatwick Airport (LGW). Once your flight from Seoul to London has hit the runway and you've navigated your way to arrivals, expect a drive of around 1 hour 20 minutes.

  • If you're catching public transport, it'll take about 30 minutes.

  • There are some comfortable places to lay your head close to LGW. Tuck yourself in after your Seoul to London flight at one of these perfectly located options:

  • The quickest way to get to where you're going is with a London Gatwick Airport rental car. Grab your wheels from Green Motion, U-Save or Drivalia and be on your way in a flash.

  • Avoid last-minute price surges. Reserving your ride three weeks before your arrival at LGW will help you save.

Stansted Airport (STN)

  • Stansted Airport (STN) is about 48 kilometres from the centre of London. It takes about 1 hour to get to the city centre by cab or ride-share once you've stepped off your flight from Seoul to London.

  • If you travel by public transport, expect a journey of about 1 hour 25 minutes.

  • Enjoy a more leisurely start to your break by staying at a hotel near STN after your Seoul to London flight. Take a load off after a long travel day or simply give yourself time to get your footing in a new city at:

  • Put yourself in the driver's seat of the next part of your trip with a Stansted Airport rental car. Green Motion, Drivalia and Europcar are some companies you can book with.

  • If you're after a specific type of vehicle, book your ride from STN around four weeks before your flight from Seoul to London. This gives you a higher chance of getting the car you prefer, as well as a better price.

Best time to go to London

  • July is the busiest month for flights from Seoul to London. To skip the crowds, go to London in February.

  • Before locking in your Seoul to London tickets, think about what kind of weather you prefer. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap flights from Seoul to London around that time if you like travelling in cooler conditions.

More about London

  • Once you've booked your flight from Seoul to London, decide where you'll be dropping your bags. Make one of these accommodation options your base for exploring London:

  • There are so many things to do and see in this city it can be hard to figure out where to start. Big Ben, The British Museum and Buckingham Palace are highlights which should feature on every London itinerary.

Explore more of United Kingdom

  • You've done London, now it's time to explore other parts of United Kingdom. Journey around 161 kilometres north-west to Birmingham to check off its popular sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, your itinerary will be busy.

  • Bristol is another standout destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without experiencing 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.