A traditional Korean palace with a large, ornate building in the center, surrounded by a courtyard with stone pathways and red-roofed structures.

฿13,840 Cheap Flights from London (LHR) to Seoul (ICN)

View ฿13,840 flight on Sun, 6 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿13,840 for one-way flights and ฿22,735 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Sat, 14 Nov - Sat, 28 Nov
LHR
London
ICN
Seoul
฿22,735 Return, found 1 day ago
฿22,735
Return
found 1 day ago
Select China Southern Airlines flight, departing Sat, 14 Nov from London to Seoul, returning Sat, 28 Nov, priced at ฿22,735 found 1 day ago
Lufthansa
Fri, 4 Dec - Wed, 9 Dec
LHR
London
ICN
Seoul
฿26,915 Return, found 3 days ago
฿26,915
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 4 Dec from London to Seoul, returning Wed, 9 Dec, priced at ฿26,915 found 3 days ago
Etihad Airways
Fri, 4 Dec - Wed, 9 Dec
LHR
London
ICN
Seoul
฿28,625 Return, found 3 days ago
฿28,625
Return
found 3 days ago
Select Etihad Airways flight, departing Fri, 4 Dec from London to Seoul, returning Wed, 9 Dec, priced at ฿28,625 found 3 days ago
Air France
Fri, 4 Dec - Wed, 9 Dec
LHR
London
ICN
Seoul
฿31,950 Return, found 3 days ago
฿31,950
Return
found 3 days ago
Select Air France flight, departing Fri, 4 Dec from London to Seoul, returning Wed, 9 Dec, priced at ฿31,950 found 3 days ago
Finnair
Fri, 4 Dec - Wed, 9 Dec
LHR
London
ICN
Seoul
฿33,180 Return, found 3 days ago
฿33,180
Return
found 3 days ago
Select Finnair flight, departing Fri, 4 Dec from London to Seoul, returning Wed, 9 Dec, priced at ฿33,180 found 3 days ago
Turkish Airlines
Sat, 14 Nov - Sat, 28 Nov
LHR
London
ICN
Seoul
฿34,160 Return, found 1 day ago
฿34,160
Return
found 1 day ago
Select Turkish Airlines flight, departing Sat, 14 Nov from London to Seoul, returning Sat, 28 Nov, priced at ฿34,160 found 1 day ago
Asiana Airlines
Fri, 10 Jul - Tue, 28 Jul
LHR
London
ICN
Seoul
฿36,970 Return, found 3 hours ago
฿36,970
Return
found 3 hours ago
Select Asiana Airlines flight, departing Fri, 10 Jul from London to Seoul, returning Tue, 28 Jul, priced at ฿36,970 found 3 hours ago
LOT-Polish Airlines
Fri, 4 Dec - Wed, 9 Dec
LHR
London
ICN
Seoul
฿39,850 Return, found 3 days ago
฿39,850
Return
found 3 days ago
Select LOT-Polish Airlines flight, departing Fri, 4 Dec from London to Seoul, returning Wed, 9 Dec, priced at ฿39,850 found 3 days ago
KLM
Sat, 14 Nov - Sat, 28 Nov
LHR
London
ICN
Seoul
฿41,630 Return, found 1 day ago
฿41,630
Return
found 1 day ago
Select KLM flight, departing Sat, 14 Nov from London to Seoul, returning Sat, 28 Nov, priced at ฿41,630 found 1 day ago
Qatar Airways
Fri, 4 Dec - Wed, 9 Dec
LHR
London
ICN
Seoul
฿42,325 Return, found 3 days ago
฿42,325
Return
found 3 days ago
Select Qatar Airways flight, departing Fri, 4 Dec from London to Seoul, returning Wed, 9 Dec, priced at ฿42,325 found 3 days ago

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 ฿22,735. 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 France, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Southern Airlines, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United
Return price
฿22,735
Distance
8809 km
Average flight time
20 hours 41 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 ฿13,840 and roundtrip prices from ฿22,735. 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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