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? 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 May.

Direct flights from Seoul to London

Alternative Seoul to London routes

Looking for the cheapest, fastest or easiest route from Seoul to London? You could fly into the following airports instead.

Seoul to London: Flight information

The things to know before you go.
Cheapest flight found$753
Cheapest month to flyMay
Average flight time13 hrs, 58 mins
Most popular airlineVirgin Atlantic
Average flights per week23

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 $753. 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.
13 hours and 58 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 April 2025, there are 23 flights per week flying from Seoul to London.
The cheapest month to fly from Seoul to London is usually April 2025.
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 $753.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to London on Friday, 16 May 2025.
Yes – the average flight time is 13 hours and 58 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 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.
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

  • Begin planning your holiday 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.

  • Come in for landing at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). You can also hop off the plane at London Luton Airport (LTN) and London City Airport (LCY) in London.

  • Book a direct Seoul to London flight and you'll be in the air for an average of 14 hours 30 minutes.

  • London is nine hours behind Seoul and is in the UTC+0 timezone.

  • Incheon International Airport (ICN) to London Heathrow Airport (LHR) is the most traveled route between these two cities. There are 14 weekly departures to pick from. If you have things to do before heading off, the last flight from Seoul to London is with Asiana Airlines at 14:30. Opt for the first ICN to LHR departure operated by Korean Air at 10:50 to maximise your time in London.

  • For a stress-free start to your trip, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to board your Seoul to London flight.

  • During popular months like July, you'll want to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.

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 straight to London Heathrow Airport (LHR).

  • Check out the deals with Korean Air. This airline offers direct Seoul to London plane tickets out of ICN.

  • Think about adding a stopover to potentially save money on your Seoul to London flight. Simply uncheck 'Direct flights only' when browsing departures from Incheon International Airport. Take a break from travelling at one of these popular options:

    • Frankfurt Airport (FRA)

    • Amsterdam Airport Schiphol (AMS)

    • Zurich Airport (ZRH)

  • The distance from central Seoul to ICN is about 48 kilometres. Use Google Maps for the quickest way to get there, whether in your own car or with public transport.

  • Catching an early flight from Seoul to London? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to Incheon International Airport:

  • When it comes to Incheon International Airport's on-time performance, data shows 54.5% of flights arrive within the expected time frame.

Gimpo International Airport (GMP)

  • Break up your Seoul to London flight with a stop at Beijing Capital International Airport (PEK). A major stopover between Gimpo International Airport and London, it's a good opportunity to take a moment to relax.

  • The distance from Seoul's city centre to GMP is roughly 16 kilometres. Take into account the available transport options and potential delays when planning the fastest route to the airport.

  • Want to enjoy an extra night away before your flight from Seoul to London? Relax in a hotel near Gimpo International Airport before your trip officially starts. Here's where you can stay:

  • When it comes to flights staying on schedule, Gimpo International Airport has an on-time arrival rate of 75.94%.

Arriving in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London takes around 55 minutes to reach by car. The centre is roughly 26 kilometres away.

  • It usually takes 1 hour to get there when travelling by public transport.

  • Consider staying in a hotel close to LHR if you're coming in on a late flight from Seoul to London. Choose one of these accommodation options and skip the long transfer:

  • Grab a London Heathrow Airport rental car and discover London and beyond with your own set of wheels. Surprice, U-Save and Green Motion are leading providers you can book with here.

  • For the best deal, reserve your ride from London Heathrow Airport about one week in advance of your Seoul to London flight.

London Gatwick Airport (LGW)

  • The centre of London is approximately 40 kilometres from London Gatwick Airport (LGW). As soon as your flight from Seoul to London has touched down and you've made your way out of the airport, the drive should take about 1 hour 20 minutes.

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

  • After your flight from Seoul to London, tuck yourself in at a hotel close to LGW. These are some great options that'll help you sink into relaxation mode:

  • Green Motion, U-Save and Drivalia make collecting a London Gatwick Airport rental car simple. These companies are located around or in the terminal and will have you on the road before long.

  • Avoid last-minute price surges. Reserving your ride three weeks before your arrival at LGW can land you a better rate.

Stansted Airport (STN)

  • Step off your flight from Seoul to London and go directly to your hotel or start taking in the sights right away. Central London is around 48 kilometres from Stansted Airport (STN) and typically takes 1 hour to reach by car.

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

  • Find a hotel close to STN and quickly go from touchdown to tucked into your bed. Whether you're catching a late Seoul to London flight or just want a hassle-free arrival, these stays bring comfort closer to you:

  • Put yourself in the driver's seat of the next leg of your journey by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar will get you on the road.

  • Get ahead of the game and reap the rewards. Book your ride from STN four weeks before your flight from Seoul to London to access the best deals.

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

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.