Cheap Flights from Seoul (ICN) to London (LOND)

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy
      Virgin Atlantic
      Korean Air
      Asiana Airlines

      Compare Incheon International to London flight deals

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

      Book the best London fare with no extra fees

      Flight deals from Incheon International to London

      Looking for a cheap last-minute deal or the best return flight from Incheon International Airport to London? If you want to travel next month, return fares start from $903. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Incheon International to London

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

      Direct flights from Incheon International to London

      Asiana Airlines
      Korean Air
      Virgin Atlantic

      Seoul to London: Flight information

      The things to know before you go.
      Cheapest flight found$655
      Cheapest month to flyJanuary
      Average flight time14 hrs, 33 mins
      Most popular airlineVirgin Atlantic
      Average flights per week38

      Finding cheap flights from Incheon International 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 Incheon International to London is $655. 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 33 minutes is the average flight time from Incheon International to London.
      Virgin Atlantic, Korean Air and Asiana Airlines fly direct from Incheon International to London.
      As of August 2026, there are 38 flights per week flying from Incheon International to London.
      The cheapest month to fly from Incheon International to London is usually January.
      If you're flying from Incheon International Airport, the cheapest airport near London is London Heathrow – which is 22.9 km away from the centre of London. We've found flights into this airport from $655.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to London on Saturday, 23 January 2027.
      Yes – the average flight time is 14 hours and 33 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 August, the average temperature is usually around 17°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, Scandinavian Airlines and Asiana Airlines offer the cheapest flight tickets to London.

      Travelling from Incheon International Airport (ICN) to London: what you need to know

      • Approximately 12 hours 35 minutes is how long you'll be travelling on a direct flight from Incheon International Airport to London.

      • London is nine hours behind Seoul, where Incheon International Airport is located. London runs on the UTC+0 timezone.

      • Incheon International Airport (ICN) to London Heathrow Airport (LHR) is the most traveled route, with 14 flights a week to pick from. If you prefer a later start to the day, the last flight from ICN to LHR is with Asiana Airlines at 14:30. Choose the first departure operated by Korean Air at 10:40 if you want to fly out earlier.

      • To avoid missing your ICN to London flight, allow 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 the general rule.

      • Flying during a popular month such as July? Public holidays and other popular seasons can lead to longer lines at security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

      • You can book a direct Incheon International Airport to London ticket. Start your trip at ICN and end it at London Heathrow Airport (LHR).

      • Korean Air is a leading airline that operates direct flights from Incheon International Airport to London.

      • We make it easy to book plane tickets from ICN to London with a stopover. To see all your options, uncheck 'Direct flights only.' Next, choose a flight that has a stop long enough to tour your chosen city. Top stopovers include:

        • Shanghai Pudong International Airport (PVG)

        • Amsterdam Airport Schiphol (AMS)

        • Beijing Capital International Airport (PEK)

      • From the centre of Seoul, ICN is around 48 kilometres away. Visit the official airport website or use navigation apps to find the best way to reach the terminal.

      • Want a relaxed start to your journey? Stay near ICN. Whether you're taking an early flight from Incheon International Airport to London or just don't like being rushed, these hotels put convenience first:

      • 54.5% of flights departing from Incheon International Airport reach their destination on schedule.

      How to find the cheapest flights from Incheon International Airport (ICN) to London

      • The best price we've seen for a one-way Incheon International Airport to London flight is $308. The cheapest price for a return flight is $655. Remember fares may change due to demand at the time of booking.

      • To snag cheap flights from ICN to London, reserve your trip one month ahead of your departure.

      • Organise your trip for May. That's the best month for scoring an incredible deal on Incheon International Airport to London tickets. If you're flexible with your dates, use the 'Whole month' tool to find the lowest price across every month.

      • Picking up a cheap flight from ICN to London is a breeze with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know as soon as a deal gets even better.

      • Tailor your trip with filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Incheon International 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.

      • When travelling by public transport, expect a journey time of around 1 hour.

      • Look into staying at a hotel near LHR if you have a late flight from Incheon International Airport to London. Select one of these options and skip the long transfer:

      • Travel at your own speed with a London Heathrow Airport rental car. Pick up your wheels from Surprice, U-Save or Green Motion and venture far and wide through London and beyond.

      • Reserving your ride from London Heathrow Airport about one week ahead of your flight from ICN to London can help you get the best possible rate.

      London Gatwick Airport (LGW)

      • London Gatwick Airport (LGW) is around 80 kilometres from central London. Once you've hopped off your flight from Incheon International Airport to London, it'll take you around 1 hour 20 minutes to get to the heart of the city in a ride-share or cab.

      • The trip will take roughly 30 minutes on public transport.

      • Following your ICN to London flight, tuck yourself in at a hotel near LGW. These are some great accommodation options that'll help you get into relaxation mode:

      • Green Motion, U-Save and Drivalia make collecting a London Gatwick Airport rental car simple. These trusted providers are located in or around the terminal and will have you on your way in a heartbeat.

      • Get exactly what you want. Booking your ride from LGW three weeks ahead of time often means lower prices and a greater selection of vehicles.

      Stansted Airport (STN)

      • Find your way to the city centre after your flight from Incheon International Airport to London has landed. Central London is about 64 kilometres from Stansted Airport (STN) and takes roughly 1 hour to get to by car.

      • The journey takes around 1 hour 25 minutes when travelling on public transport.

      • Enjoy a low-stress, comfortable start to your break by staying at a hotel near STN after your ICN to London flight. Recharge after a day of travel or simply give yourself time to get your bearings in a new city at:

      • Whether you want a budget-friendly compact for solo travel or a spacious SUV to fit everyone and their gear, you'll find the right Stansted Airport rental car for you. Explore the types of wheels available from suppliers such as Green Motion, Drivalia and Europcar.

      • Plan ahead and reap the rewards. Book your ride from STN four weeks before your flight from Incheon International Airport to London to access the best rates.

      Best time to go to London

      • Carefully consider your dates before locking in your flight from Incheon International Airport to London. The city comes alive during peak season, but rates are generally higher and attractions can get busy. Go to London in the low season for a more relaxed vibe.

      • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your Incheon International Airport to London plane ticket then if that's your idea of comfortable weather.

      • Search for cheap tickets from ICN to London in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

      More about London

      • When it comes to searching for somewhere to rest your head, you'll find the best stays in London right here. Browse these hotels once you've locked in your flight from Incheon International Airport to London:

      • Every great adventure has to include a little sightseeing. The British Museum, Big Ben and Buckingham Palace are attractions you won't want to skip in London.

      Explore more of United Kingdom

      • Birmingham is just one of the many cities in United Kingdom waiting to be explored once you've seen London. Around 161 kilometres away to the north-west, popular attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

      • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Start your sightseeing at Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.