฿12,600 Cheap Flights from London (LHR) to Seoul (ICN)

View ฿12,600 flight on Thu, 4 Sep 2025Opens 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 ฿12,600 for one-way flights and ฿17,665 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Tue, 11 Nov - Tue, 25 Nov
LHR
London
ICN
Seoul
฿17,665 Return, found 2 days ago
฿17,665
Return
found 2 days ago
Select China Southern Airlines flight, departing Tue, 11 Nov from London to Seoul, returning Tue, 25 Nov, priced at ฿17,665 found 2 days ago
Air China
Tue, 2 Dec - Mon, 15 Dec
LHR
London
ICN
Seoul
฿20,020 Return, found 6 days ago
฿20,020
Return
found 6 days ago
Select Air China flight, departing Tue, 2 Dec from London to Seoul, returning Mon, 15 Dec, priced at ฿20,020 found 6 days ago
Shenzhen Airlines
Sat, 4 Oct - Sun, 26 Oct
LHR
London
ICN
Seoul
฿20,385 Return, found 2 days ago
฿20,385
Return
found 2 days ago
Select Shenzhen Airlines flight, departing Sat, 4 Oct from London to Seoul, returning Sun, 26 Oct, priced at ฿20,385 found 2 days ago
Lufthansa
Tue, 2 Dec - Fri, 12 Dec
LHR
London
ICN
Seoul
฿23,660 Return, found 5 days ago
฿23,660
Return
found 5 days ago
Select Lufthansa flight, departing Tue, 2 Dec from London to Seoul, returning Fri, 12 Dec, priced at ฿23,660 found 5 days ago
China Eastern Airlines
Tue, 11 Nov - Tue, 25 Nov
LHR
London
ICN
Seoul
฿25,435 Return, found 2 days ago
฿25,435
Return
found 2 days ago
Select China Eastern Airlines flight, departing Tue, 11 Nov from London to Seoul, returning Tue, 25 Nov, priced at ฿25,435 found 2 days ago
Etihad Airways
Wed, 27 Aug - Mon, 8 Sep
LHR
London
ICN
Seoul
฿26,380 Return, found 9 hours ago
฿26,380
Return
found 9 hours ago
Select Etihad Airways flight, departing Wed, 27 Aug from London to Seoul, returning Mon, 8 Sep, priced at ฿26,380 found 9 hours ago
KLM
Tue, 2 Dec - Fri, 12 Dec
LHR
London
ICN
Seoul
฿28,140 Return, found 5 days ago
฿28,140
Return
found 5 days ago
Select KLM flight, departing Tue, 2 Dec from London to Seoul, returning Fri, 12 Dec, priced at ฿28,140 found 5 days ago
Air France
Tue, 2 Dec - Fri, 12 Dec
LHR
London
ICN
Seoul
฿28,145 Return, found 5 days ago
฿28,145
Return
found 5 days ago
Select Air France flight, departing Tue, 2 Dec from London to Seoul, returning Fri, 12 Dec, priced at ฿28,145 found 5 days ago
Turkish Airlines
Tue, 2 Dec - Fri, 12 Dec
LHR
London
ICN
Seoul
฿28,845 Return, found 5 days ago
฿28,845
Return
found 5 days ago
Select Turkish Airlines flight, departing Tue, 2 Dec from London to Seoul, returning Fri, 12 Dec, priced at ฿28,845 found 5 days ago
Air India
Mon, 6 Oct - Sun, 26 Oct
LHR
London
ICN
Seoul
฿30,645 Return, found 1 day ago
฿30,645
Return
found 1 day ago
Select Air India flight, departing Mon, 6 Oct from London to Seoul, returning Sun, 26 Oct, priced at ฿30,645 found 1 day ago

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

March is typically the cheapest month to fly

From ฿15,465 - ฿31,483 per traveller.

Graph displaying average flight prices per month

Flight from London to Seoul route information
Origin airport
Heathrow
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, Asiana Airlines, British Airways, Cathay Pacific, China Southern Airlines, EVA Airways, Emirates, Etihad Airways, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Thai Airways International, Turkish Airlines, United, Vietnam Airlines
Return price
฿17,665
Distance
8809 km
Average flight time
20 hours 45 mins

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 Incheon, 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 ฿12,600 and roundtrip prices from ฿17,665. 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 Incheon 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 LHR to ICN travel arrangements today and embark on the journey of a lifetime in Seoul.

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 ฿17,665. 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.

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