€333 Cheap Flights London to Seoul (LHR-ICN)

View €333 flight on Sun, 30 Nov 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Incheon Intl. Airport (ICN)

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Cheap flights from London to Seoul (LHR-ICN)

Prices were available within the past 7 days and start at €333 for one-way flights and €460 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Mon, 17 Nov - Sun, 23 Nov
LHR
London
ICN
Seoul
€460 Return, found 5 hours ago
€460
Return
found 5 hours ago
Select Air China flight, departing Mon, 17 Nov from London to Seoul, returning Sun, 23 Nov, priced at €460 found 5 hours ago
Lufthansa
Sat, 7 Feb - Mon, 23 Feb
LHR
London
ICN
Seoul
€494 Return, found 1 hour ago
€494
Return
found 1 hour ago
Select Lufthansa flight, departing Sat, 7 Feb from London to Seoul, returning Mon, 23 Feb, priced at €494 found 1 hour ago
Scandinavian Airlines
Tue, 2 Dec - Fri, 12 Dec
LHR
London
ICN
Seoul
€603 Return, found 1 day ago
€603
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Tue, 2 Dec from London to Seoul, returning Fri, 12 Dec, priced at €603 found 1 day ago
Etihad Airways
Thu, 13 Nov - Tue, 18 Nov
LHR
London
ICN
Seoul
€645 Return, found 4 hours ago
€645
Return
found 4 hours ago
Select Etihad Airways flight, departing Thu, 13 Nov from London to Seoul, returning Tue, 18 Nov, priced at €645 found 4 hours ago
LOT-Polish Airlines
Sun, 1 Mar - Sun, 22 Mar
LHR
London
ICN
Seoul
€655 Return, found 9 hours ago
€655
Return
found 9 hours ago
Select LOT-Polish Airlines flight, departing Sun, 1 Mar from London to Seoul, returning Sun, 22 Mar, priced at €655 found 9 hours ago
KLM
Wed, 3 Dec - Thu, 11 Dec
LHR
London
ICN
Seoul
€711 Return, found 20 hours ago
€711
Return
found 20 hours ago
Select KLM flight, departing Wed, 3 Dec from London to Seoul, returning Thu, 11 Dec, priced at €711 found 20 hours ago
Air France
Fri, 5 Dec - Tue, 9 Dec
LHR
London
ICN
Seoul
€711 Return, found 1 day ago
€711
Return
found 1 day ago
Select Air France flight, departing Fri, 5 Dec from London to Seoul, returning Tue, 9 Dec, priced at €711 found 1 day ago
Turkish Airlines
Wed, 3 Dec - Thu, 11 Dec
LHR
London
ICN
Seoul
€741 Return, found 20 hours ago
€741
Return
found 20 hours ago
Select Turkish Airlines flight, departing Wed, 3 Dec from London to Seoul, returning Thu, 11 Dec, priced at €741 found 20 hours ago
Swiss International Air Lines
Tue, 21 Apr - Wed, 6 May
LHR
London
ICN
Seoul
€771 Return, found 1 day ago
€771
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, 21 Apr from London to Seoul, returning Wed, 6 May, priced at €771 found 1 day ago
Finnair
Fri, 6 Feb - Sun, 22 Feb
LHR
London
ICN
Seoul
€877 Return, found 1 hour ago
€877
Return
found 1 hour ago
Select Finnair flight, departing Fri, 6 Feb from London to Seoul, returning Sun, 22 Feb, priced at €877 found 1 hour ago

Find the cheapest month to fly from London (LHR) to Seoul (ICN)

March is typically the cheapest month to fly

From €404 - €878 per traveller.

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city centre is 47 minutes. Flights from €730
ICN
Incheon Intl.
Cheapest
Average driving time to city centre47 min
Flights from €730

Frequently asked questions

How much is a flight from Heathrow Airport to Incheon Intl. Airport (ICN)?
Start packing your suitcase, because round-trip flights from LHR to ICN start from €460. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to Incheon Intl. Airport (ICN)?
This differs between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Heathrow Airport to Seoul–Incheon Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to Incheon Intl. Airport (ICN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to ICN?
The distance is around 8,900 kilometres, so pack your carry-on bag with all the things you need to make your journey comfortable. Wondering what to take on board your Hounslow to South Korea flight? A sleep mask, earplugs and a travel pillow are among the essentials.
Which airlines fly direct from LHR to Incheon Intl. Airport (ICN)?
With 30 flights a month operating from LHR to Incheon Airport, Korean Air (KE) is a popular choice. Asiana Airlines (OZ) is another popular choice. It offers 30 flights each month. Between these two airlines, you'll be able to find a great deal from Hounslow to South Korea.
Are Heathrow Airport (LHR) to Seoul–Incheon Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap airfares from London Heathrow to Seoul–Incheon Intl. Airport arising a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance.

Travel information

Origin airport
Heathrow
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, Air France, Asiana Airlines, Cathay Pacific, Ethiopian Airlines, Etihad Airways, Finnair, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United, Vietnam Airlines, Virgin Atlantic
Return price
€459
Distance
8809 km
Average flight time
20 hours 45 mins

Book with confidence

Perfect flights from London to Seoul

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Seoul. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Incheon Intl. ticket options cater to your travel preferences, with incredible one-way fares from €333 and roundtrip prices from €460. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Incheon Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seoul.
Perfect flights from London to Seoul

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