€204 Cheap Flights Seoul to London (ICN-LHR)

View €204 flight on Fri, 19 Dec 2025Opens in a new window

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

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Cheap flights from Seoul to London (ICN-LHR)

Prices were available within the past 7 days and start at €204 for one-way flights and €621 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, 24 Mar - Thu, 9 Apr
ICN
Seoul
LHR
London
€621 Return, found 9 hours ago
€621
Return
found 9 hours ago
Select Lufthansa flight, departing Tue, 24 Mar from Seoul to London, returning Thu, 9 Apr, priced at €621 found 9 hours ago
Air China
Fri, 12 Sep - Tue, 16 Sep
ICN
Seoul
LHR
London
€625 Return, found 6 days ago
€625
Return
found 6 days ago
Select Air China flight, departing Fri, 12 Sep from Seoul to London, returning Tue, 16 Sep, priced at €625 found 6 days ago
LOT-Polish Airlines
Thu, 9 Oct - Wed, 22 Oct
ICN
Seoul
LHR
London
€714 Return, found 4 hours ago
€714
Return
found 4 hours ago
Select LOT-Polish Airlines flight, departing Thu, 9 Oct from Seoul to London, returning Wed, 22 Oct, priced at €714 found 4 hours ago
Scandinavian Airlines
Mon, 15 Sep - Sun, 28 Sep
ICN
Seoul
LHR
London
€719 Return, found 10 hours ago
€719
Return
found 10 hours ago
Select Scandinavian Airlines flight, departing Mon, 15 Sep from Seoul to London, returning Sun, 28 Sep, priced at €719 found 10 hours ago
Etihad Airways
Tue, 24 Mar - Thu, 9 Apr
ICN
Seoul
LHR
London
€752 Return, found 9 hours ago
€752
Return
found 9 hours ago
Select Etihad Airways flight, departing Tue, 24 Mar from Seoul to London, returning Thu, 9 Apr, priced at €752 found 9 hours ago
Finnair
Tue, 24 Mar - Thu, 9 Apr
ICN
Seoul
LHR
London
€763 Return, found 9 hours ago
€763
Return
found 9 hours ago
Select Finnair flight, departing Tue, 24 Mar from Seoul to London, returning Thu, 9 Apr, priced at €763 found 9 hours ago
Korean Air
Tue, 24 Mar - Thu, 9 Apr
ICN
Seoul
LHR
London
€795 Return, found 9 hours ago
€795
Return
found 9 hours ago
Select Korean Air flight, departing Tue, 24 Mar from Seoul to London, returning Thu, 9 Apr, priced at €795 found 9 hours ago
Swiss International Air Lines
Mon, 15 Sep - Sun, 28 Sep
ICN
Seoul
LHR
London
€805 Return, found 10 hours ago
€805
Return
found 10 hours ago
Select Swiss International Air Lines flight, departing Mon, 15 Sep from Seoul to London, returning Sun, 28 Sep, priced at €805 found 10 hours ago
KLM
Thu, 9 Oct - Wed, 22 Oct
ICN
Seoul
LHR
London
€810 Return, found 4 hours ago
€810
Return
found 4 hours ago
Select KLM flight, departing Thu, 9 Oct from Seoul to London, returning Wed, 22 Oct, priced at €810 found 4 hours ago
Qatar Airways
Tue, 24 Mar - Thu, 9 Apr
ICN
Seoul
LHR
London
€840 Return, found 9 hours ago
€840
Return
found 9 hours ago
Select Qatar Airways flight, departing Tue, 24 Mar from Seoul to London, returning Thu, 9 Apr, priced at €840 found 9 hours ago

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

November is typically the cheapest month to fly

From €414 - €640 per traveller.

Graph displaying average flight prices per month

Seoul to London route information
Origin airport
Incheon Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air China, Air France, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, EVA Airways, Etihad Airways, Finnair, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Thai Airways International, Turkish Airlines, Vietnam Airlines, Virgin Atlantic
Return price
€620
Distance
8809 km
Average flight time
6 hours 27 mins

Perfect flights from Seoul to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seoul to London. 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 Incheon Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €204 and roundtrip prices from €621. 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 Heathrow 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 London.

Frequently asked questions

How much is a flight from Incheon Intl. Airport (ICN) to London Heathrow?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Incheon Airport and London Heathrow start from €621. Make your booking today to get the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul–Incheon Intl. Airport to Heathrow Airport (LHR)?
When it comes to cancellation fees, every airline has its own set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Heathrow 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 Seoul–Incheon Intl. Airport to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to Heathrow Airport?
With around 8,900 kilometres separating South Korea and Hounslow, your flight will be a long one. Pack wisely and make your time on board more comfortable. Simple things like an extra pair of socks and a quality travel pillow can make a massive difference.
Which airlines fly direct from Incheon Intl. Airport (ICN) to LHR?
Korean Air (KE) is one of the top choices for many travellers flying between Incheon Intl. Airport (ICN) and Heathrow Airport. Take your pick of the 30 flights it operates on this route each month. Another carrier operating on this route is Asiana Airlines (OZ). You'll have 30 flights each month to select from.
Are Incheon Intl. Airport (ICN) to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Incheon Airport to London Heathrow are available up to 12 months prior to departure on Expedia. And although you may occasionally score a fantastic last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

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