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 $1,048. Find the lowest prices on one-way and return tickets right here.

London.$908 per passenger.Departing Thu, 17 Sep, returning Sun, 27 Sep.Return flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Incheon International on Thu, 17 Sep, arriving in London Gatwick.Inbound indirect flight with AirAsia X, departs from London Gatwick on Sun, 27 Sep, arriving in Incheon International.Price includes taxes and charges.From $908, select.

London.$929 per passenger.Departing Thu, 12 Nov, returning Wed, 25 Nov.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Thu, 12 Nov, arriving in London Gatwick.Inbound indirect flight with China Southern, departs from London Gatwick on Wed, 25 Nov, arriving in Incheon International.Price includes taxes and charges.From $929, select.

London.$939 per passenger.Departing Mon, 19 Oct, returning Wed, 28 Oct.Return flight with Air China.Outbound indirect flight with Air China, departs from Incheon International on Mon, 19 Oct, arriving in London Gatwick.Inbound indirect flight with Air China, departs from London Gatwick on Wed, 28 Oct, arriving in Gimpo International.Price includes taxes and charges.From $939, select.

London.$941 per passenger.Departing Wed, 21 Oct, returning Tue, 10 Nov.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Wed, 21 Oct, arriving in London Gatwick.Inbound indirect flight with China Southern, departs from London Gatwick on Tue, 10 Nov, arriving in Incheon International.Price includes taxes and charges.From $941, select.

London.$1,018 per passenger.Departing Fri, 28 Aug, returning Sun, 20 Sep.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Fri, 28 Aug, arriving in London Heathrow.Inbound indirect flight with China Southern, departs from London Gatwick on Sun, 20 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,018, select.

London.$1,024 per passenger.Departing Tue, 28 Jul, returning Tue, 1 Sep.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Tue, 28 Jul, arriving in London Gatwick.Inbound indirect flight with China Southern, departs from London Gatwick on Tue, 1 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,024, select.

London.$1,035 per passenger.Departing Wed, 16 Dec, returning Tue, 12 Jan.Return flight with China Southern and AirAsia X.Outbound indirect flight with China Southern, departs from Incheon International on Wed, 16 Dec, arriving in London Heathrow.Inbound indirect flight with AirAsia X, departs from London Gatwick on Tue, 12 Jan, arriving in Incheon International.Price includes taxes and charges.From $1,035, select.

London.$1,043 per passenger.Departing Tue, 10 Nov, returning Tue, 23 Feb.Return flight with China Southern and AirAsia X.Outbound indirect flight with China Southern, departs from Incheon International on Tue, 10 Nov, arriving in London Gatwick.Inbound indirect flight with AirAsia X, departs from London Gatwick on Tue, 23 Feb, arriving in Incheon International.Price includes taxes and charges.From $1,043, select.

London.$1,048 per passenger.Departing Sat, 22 Aug, returning Sun, 23 Aug.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Sat, 22 Aug, arriving in London Heathrow.Inbound indirect flight with China Southern, departs from London Gatwick on Sun, 23 Aug, arriving in Incheon International.Price includes taxes and charges.From $1,048, select.

London.$1,052 per passenger.Departing Tue, 18 Aug, returning Sat, 14 Nov.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Tue, 18 Aug, arriving in London Gatwick.Inbound indirect flight with China Southern, departs from London Gatwick on Sat, 14 Nov, arriving in Incheon International.Price includes taxes and charges.From $1,052, select.

London.$1,054 per passenger.Departing Tue, 8 Sep, returning Tue, 10 Nov.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Tue, 8 Sep, arriving in London Heathrow.Inbound indirect flight with China Southern, departs from London Gatwick on Tue, 10 Nov, arriving in Incheon International.Price includes taxes and charges.From $1,054, select.

London.$1,060 per passenger.Departing Tue, 28 Jul, returning Mon, 31 Aug.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Tue, 28 Jul, arriving in London Gatwick.Inbound indirect flight with China Southern, departs from London Gatwick on Mon, 31 Aug, arriving in Incheon International.Price includes taxes and charges.From $1,060, select.

London.$1,087 per passenger.Departing Wed, 2 Dec, returning Sun, 6 Dec.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Wed, 2 Dec, arriving in London Gatwick.Inbound indirect flight with China Eastern, departs from London Gatwick on Sun, 6 Dec, arriving in Incheon International.Price includes taxes and charges.From $1,087, select.

London.$1,089 per passenger.Departing Thu, 19 Nov, returning Tue, 1 Dec.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Thu, 19 Nov, arriving in London Gatwick.Inbound indirect flight with China Eastern, departs from London Gatwick on Tue, 1 Dec, arriving in Incheon International.Price includes taxes and charges.From $1,089, select.

London.$1,091 per passenger.Departing Sat, 3 Oct, returning Tue, 8 Dec.Return flight with Air France.Outbound indirect flight with Air France, departs from Incheon International on Sat, 3 Oct, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Gatwick on Tue, 8 Dec, arriving in Incheon International.Price includes taxes and charges.From $1,091, select.

London.$1,094 per passenger.Departing Sat, 5 Sep, returning Wed, 28 Oct.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Incheon International on Sat, 5 Sep, arriving in London Gatwick.Inbound indirect flight with China Southern, departs from London Gatwick on Wed, 28 Oct, arriving in Incheon International.Price includes taxes and charges.From $1,094, select.

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 September.

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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	$908
Cheapest month to fly	September
Average flight time	14 hrs, 32 mins
Most popular airline	Virgin Atlantic
Average flights per week	38

Finding cheap flights from Seoul to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Seoul to London?

The best price we found for a return flight from Seoul to London is $908. 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.

How long does it take to fly from Seoul to London?

14 hours and 32 minutes is the average flight time from Seoul to London.

Which airlines fly direct from Seoul to London?

Virgin Atlantic, Korean Air and Asiana Airlines fly direct from Seoul to London.

How many flights are there a week from Seoul to London?

As of July 2026, there are 38 flights per week flying from Seoul to London.

When is the cheapest time to fly from Seoul to London?

The cheapest month to fly from Seoul to London is usually September.

Which is the cheapest airport to fly into in London?

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 $908.

Which upcoming date is cheapest to fly from Seoul to London on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to London on Thursday, 17 September 2026.

Can I get a direct flight from Seoul to London?

Yes – the average flight time is 14 hours and 32 minutes.

How can I get the best flight deal from Seoul to London?

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.

When is the best time to book flights to London?

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.

What’s the weather like in London?

In July, 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.

Which is the cheapest airline to fly from Seoul to London with?

The cheapest airline that flies to London is AirAsia X. And the cheapest airline that flies to London Heathrow Airport is Asiana Airlines.

Travelling 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.
Jet into London Heathrow Airport (LHR) or London Gatwick Airport (LGW). You can also reach London through London Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).
Around 14 hours 30 minutes is how long you'll be travelling on a direct Seoul to London flight.
London's timezone is UTC+0, making London nine hours behind Seoul.
The most popular route for flights from Seoul to London is Incheon International Airport (ICN) to London Heathrow Airport (LHR). Pick from 21 services between the two airports each week.
For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your Seoul to London flight.
Flying during a peak time such as August? School holidays and other popular seasons can mean longer queues 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

Booking in advance is often the key to finding a cheap Seoul to London flight. Airlines adjust prices based on demand, so the closer you get to departure, the more you'll likely spend.
The 'Whole month' search tool will show you the cheapest plane tickets from Seoul to London throughout the entire month. It's an easy way to find a bargain if your trip dates aren't set in stone.
You don't need to check every day to find out if prices have dropped when you create a Price Alert. We'll update you when a better deal is available on cheap flights from Seoul to London.
Tailor your trip using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' Seoul to London flights.

Flying from Seoul

Incheon International Airport (ICN)

If you're looking for a direct flight from Seoul to London, you can depart from Incheon International Airport (ICN). Travel from ICN to London Heathrow Airport (LHR) in one continuous trip.
You can choose from various airlines offering direct Seoul to London plane tickets with departures from ICN, including:
Stopovers are the perfect opportunity to break up your trip — and possibly even explore a different city. When searching for Seoul to London flights leaving from Incheon International Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:
- Shanghai Pudong Airport (PVG)
- Amsterdam Schiphol Airport (AMS)
- Beijing Capital Airport (PEK)
ICN is around 48 kilometres from central Seoul. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 1 hour 5 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the trip time to be around 50 minutes.
Searching for a convenient hotel near Incheon International Airport? If you've booked an early flight from Seoul to London, these accommodation options will have you sleeping moments from your departure lounge:
74% of flights leaving from Incheon International Airport make it to their destination on schedule.

Gimpo International Airport (GMP)

Think about adding a stop at Beijing Capital Airport (PEK). It's a major stopover on a Seoul to London flight leaving Gimpo International Airport. Use a long layover to explore nearby, or take advantage of a quick break to browse the airport stores.
You can get to GMP from the centre of Seoul in about 30 minutes by car (depending on traffic). The ride on public transport takes roughly 35 minutes to travel the 18 kilometres or so.
You're going on holiday, so why not book another night away? Consider staying at one of these accommodation options near Gimpo International Airport the day before your flight from Seoul to London:
Gimpo International Airport has a track record for punctuality. 81% of flights leaving here arrive right when they're supposed to.

Arriving in London

London Heathrow Airport (LHR)

The distance from London Heathrow Airport (LHR) to central London is roughly 26 kilometres. It'll take you about 45 minutes to reach the centre driving.
When travelling on public transport, expect a journey time of around 25 minutes.
If you have a late flight from Seoul to London, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and resting not long after at one of these hotels near LHR:
Travel at your own pace with a London Heathrow Airport rental car. Pick up your wheels from Surprice, U-Save or Green Motion and experience more of London and beyond.
Booking your ride from London Heathrow Airport around one week ahead gives you the best shot at securing a great deal.

London Gatwick Airport (LGW)

Once your flight from Seoul to London has touched down, you can get to the city centre in about 1 hour 5 minutes by car. Central London is approximately 40 kilometres from London Gatwick Airport (LGW).
The trip will take approximately 45 minutes on public transport.
Place the 'Do not disturb' sign on your door and relax at a hotel close to LGW. Here are a few options where you can take a load off after your flight from Seoul to London:
Green Motion, U-Save and Drivalia make picking up a London Gatwick Airport rental car easy and quick. These suppliers are located around or in the terminal and will get you on your way in no time.
Avoid last-minute price surges. Reserving your ride three weeks ahead of your arrival at LGW will save you money.

London Stansted Airport (STN)

Set off for the city centre after your flight from Seoul to London has arrived. Central London is about 48 kilometres from London Stansted Airport (STN) and takes roughly 1 hour 5 minutes to reach by car.
The journey will take roughly 45 minutes when travelling by public transport.
Enjoy a low-stress, comfortable start to your break by choosing a hotel near STN after your Seoul to London flight. Unwind after a day of travel or simply take a moment to find your footing in a new city at:
Start your journey without stressing over how to reach your next stop with a London Stansted Airport rental car. You can book your wheels with reliable companies here like Green Motion, Drivalia and Europcar.
About four weeks ahead of your flight from Seoul to London is the ideal time to secure your ride from STN. You're more likely to land a better deal or even pick up some early bird discounts.

Best time to go to London

March is the quietest month for flights from Seoul to London, while July is the busiest. Figure out the best time to go to London based on whether you like a bustling atmosphere or a more laid-back vibe.
The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Book your Seoul to London ticket then if that's your ideal forecast.
January has average temperatures of between 0ºC and 9ºC. Search for cheap flights from Seoul to London around that time if you like travelling in cooler conditions.

More about London

Start your London trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Seoul to London, explore our selection of accommodation options including:
The British Museum and Westminster Abbey are just the start of the popular attractions to put on your London to-do list. Keep the adventure rolling by checking out Big Ben.

Explore more of the United Kingdom

Manchester is just one of the many cities in the United Kingdom waiting to be discovered after you've experienced London. Around 257 kilometres to the northwest, check out popular attractions including Manchester United Museum & Stadium Tour, The Homes of Football and Science and Industry Museum.
Birmingham is another favourite destination in the United Kingdom and is around 161 kilometres northwest of London. No trip is complete without visiting Birmingham Museum & Art Gallery, Birmingham Hippodrome and Bournville Experience.