฿14,850 Cheap Flights from London (LHR) to Seoul (ICN)

View ฿14,850 flight on Wed, 16 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 ฿14,850 for one-way flights and ฿26,355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Mon, 1 Jun - Wed, 10 Jun
LHR
London
ICN
Seoul
฿26,355 Return, found 4 days ago
฿26,355
Return
found 4 days ago
Select Air India flight, departing Mon, 1 Jun from London to Seoul, returning Wed, 10 Jun, priced at ฿26,355 found 4 days ago
Etihad Airways
Mon, 1 Jun - Sun, 14 Jun
LHR
London
ICN
Seoul
฿27,090 Return, found 2 days ago
฿27,090
Return
found 2 days ago
Select Etihad Airways flight, departing Mon, 1 Jun from London to Seoul, returning Sun, 14 Jun, priced at ฿27,090 found 2 days ago
Qatar Airways
Mon, 2 Nov - Mon, 16 Nov
LHR
London
ICN
Seoul
฿30,095 Return, found 1 day ago
฿30,095
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 2 Nov from London to Seoul, returning Mon, 16 Nov, priced at ฿30,095 found 1 day ago
China Southern Airlines
Tue, 20 Oct - Mon, 30 Nov
LHR
London
ICN
Seoul
฿30,860 Return, found 4 days ago
฿30,860
Return
found 4 days ago
Select China Southern Airlines flight, departing Tue, 20 Oct from London to Seoul, returning Mon, 30 Nov, priced at ฿30,860 found 4 days ago
Shenzhen Airlines
Sat, 4 Jul - Sat, 11 Jul
LHR
London
ICN
Seoul
฿32,660 Return, found 1 day ago
฿32,660
Return
found 1 day ago
Select Shenzhen Airlines flight, departing Sat, 4 Jul from London to Seoul, returning Sat, 11 Jul, priced at ฿32,660 found 1 day ago
Air China
Mon, 1 Jun - Wed, 10 Jun
LHR
London
ICN
Seoul
฿33,115 Return, found 4 days ago
฿33,115
Return
found 4 days ago
Select Air China flight, departing Mon, 1 Jun from London to Seoul, returning Wed, 10 Jun, priced at ฿33,115 found 4 days ago
Finnair
Fri, 11 Dec - Fri, 18 Dec
LHR
London
ICN
Seoul
฿33,900 Return, found 3 days ago
฿33,900
Return
found 3 days ago
Select Finnair flight, departing Fri, 11 Dec from London to Seoul, returning Fri, 18 Dec, priced at ฿33,900 found 3 days ago
Air Astana
Sat, 12 Sept - Fri, 18 Sept
LHR
London
ICN
Seoul
฿35,730 Return, found 2 days ago
฿35,730
Return
found 2 days ago
Select Air Astana flight, departing Sat, 12 Sept from London to Seoul, returning Fri, 18 Sept, priced at ฿35,730 found 2 days ago
Lufthansa
Mon, 2 Nov - Mon, 16 Nov
LHR
London
ICN
Seoul
฿35,965 Return, found 1 day ago
฿35,965
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 2 Nov from London to Seoul, returning Mon, 16 Nov, priced at ฿35,965 found 1 day ago
KLM
Sat, 2 May - Sat, 9 May
LHR
London
ICN
Seoul
฿36,900 Return, found 1 day ago
฿36,900
Return
found 1 day ago
Select KLM flight, departing Sat, 2 May from London to Seoul, returning Sat, 9 May, priced at ฿36,900 found 1 day ago

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

May is typically the cheapest month to fly

From ฿17,208 - ฿30,243 per traveller.

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 ฿26,355. 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, Air India, Asiana Airlines, Cathay Pacific, China Airlines, China Southern Airlines, Etihad Airways, Finnair, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines, United
Return price
฿26,355
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 ฿14,850 and roundtrip prices from ฿26,355. 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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