Cheap Flights from London (LHR) to Seoul (SELA)

Compare London Heathrow to Seoul flight deals

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

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Flight deals from London Heathrow to Seoul

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

Find the cheapest month to fly from London Heathrow to Seoul

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

Direct flights from London Heathrow to Seoul

Alternative London Heathrow to Seoul routes

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

London to Seoul: Flight information

The things to know before you go.
Cheapest flight found$759
Cheapest month to flyNovember
Average flight time12 hrs, 19 mins
Most popular airlineVirgin Atlantic
Average flights per week48

Finding cheap flights from London Heathrow to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from London Heathrow to Seoul is $759. 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.
12 hours and 19 minutes is the average flight time from London Heathrow to Seoul.
Virgin Atlantic, Korean Air and Asiana Airlines fly direct from London Heathrow to Seoul.
As of July 2025, there are 24 flights per week flying from London Heathrow to Seoul.
The cheapest month to fly from London Heathrow to Seoul is usually November.
If you're flying from London Heathrow Airport, the cheapest airport near Seoul is Gimpo International – which is 17.1 km away from the centre of Seoul. We've found flights into this airport from $759.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Seoul on Saturday, 15 November 2025.
Yes – the average flight time is 12 hours and 19 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 Seoul 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 Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 24°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, China Southern and Asiana Airlines offer the cheapest flight tickets to Seoul.

Flying from London Heathrow Airport (LHR) to Seoul: what you need to know

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

  • Seoul is nine hours ahead of London, where London Heathrow Airport is located. Seoul follows the UTC+9 timezone.

  • With 14 flights a week between the two airports, London Heathrow Airport (LHR) to Incheon International Airport (ICN) is the most popular route. Korean Air operates the earliest flight at 18:50. If you prefer to make the most of your day before you fly, the latest departure from LHR to ICN is with Asiana Airlines at 20:40.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your LHR to Seoul flight.

  • Delays at check-in and security are likely if you're heading away during high season, so give yourself some extra wiggle room. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and two hours for domestic departures.

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

  • Get on board with Korean Air. This popular carrier operates direct flights from London Heathrow Airport to Seoul.

  • Think about adding a stopover to potentially unlock a cheaper flight ticket from LHR to Seoul. All you need to do is uncheck 'Direct flights only' during your search. Break up your journey by stopping at one of these connection hubs:

    • Haneda Airport (HND)

    • Beijing Capital International Airport (PEK)

    • Frankfurt Airport (FRA)

  • Travelling from central London to LHR takes around 1 hour on public transport. If you drive, ride-share or get a cab, you'll cover the 26 kilometres in 55 minutes or so, depending on traffic.

  • Want an easy start to your journey? Stay near LHR. Whether you're taking an early flight from London Heathrow Airport to Seoul or don't want departure day to feel hectic, these hotels have you covered:

  • Of all flights departing from London Heathrow Airport, 68.18% arrive on time at their destination.

How to find the cheapest flights from London Heathrow Airport (LHR) to Seoul

  • The best price we've seen for a one-way London Heathrow Airport to Seoul flight is $569. The cheapest price for a return flight is $759. Keep in mind fares can change due to availability at the time of booking.

  • Booking early is often the key to scoring a cheap flight from LHR to Seoul. Fares tend to rise as seats fill up, so the nearer you get to departure, the more you'll likely spend on your ticket.

  • Scoring cheap tickets from London Heathrow Airport to Seoul is easier if you can be flexible with your dates. Use the 'Whole month' search tool to access the lowest fares across every month and land an incredible deal.

  • Cut down on the time spent looking for cheap flights from LHR to Seoul by creating a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

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

Airports in Seoul

Incheon International Airport (ICN)

  • Incheon International Airport (ICN) is roughly 48 kilometres from central Seoul. The time it takes to get to the centre will depend on the time of day. Do some research before your trip.

  • Getting to the centre by public transport will take you around 1 hour 45 minutes.

  • Book a hotel close to ICN if you have a late flight from London Heathrow Airport to Seoul. Select one of these options and make your first night all about rest:

  • Grab an Incheon International Airport rental car and explore Seoul and beyond with your own wheels. WECAR, Hi Rent A Car and Alamo are leading providers you can book with here.

  • Lock in the best deal by booking your vehicle from Incheon International Airport about four weeks ahead of your flight from LHR to Seoul.

Gimpo International Airport (GMP)

  • Central Seoul is around 16 kilometres from Gimpo International Airport (GMP). Disembark your flight from London Heathrow Airport to Seoul and then look for any airport signs that'll help you get to the centre.

  • Public transport will get you there in about 1 hour 5 minutes.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near GMP. Here are a few options where you can tuck yourself in after your LHR to Seoul flight:

  • Forget about inconvenient public transport timetables or cab lines. Pick up a Gimpo International Airport rental car and go in any direction that inspires you. Compare availability and rates from GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car.

  • Call dibs on the best options. Booking your ride from GMP one week ahead of time often means more savings and a greater selection of vehicles.

Best time to go to Seoul

  • Visit Seoul during the high season if you like a bustling atmosphere, but remember that hotel prices are typically higher. Alternatively, book flights from London Heathrow Airport to Seoul in the off-season when prices are cheaper and it's not as busy.

  • Before booking a London Heathrow Airport to Seoul flight ticket, think about the type of weather you enjoy. August is the warmest month in Seoul, with temperatures ranging from 19ºC (66ºF) to 32ºC (90ºF).

  • Search for cheap tickets from LHR to Seoul in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 4ºC (39ºF) on average.

More about Seoul

  • Once you've booked your flight from London Heathrow Airport to Seoul, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Seoul:

  • Every great adventure has to include some sightseeing. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are must-visits when exploring Seoul.

Explore more of South Korea

  • Seoul has plenty to offer, but there are so many other corners of South Korea just waiting to be discovered. Around 322 kilometres south-east of Seoul, a visit to Busan will keep you on the move. Start with leading sights like Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.

  • If you're eager to discover another great destination in South Korea, head for Daegu, about 241 kilometres south-east of Seoul. Duryu Park People's Garden, E-World and Apsan Park are highlights.

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