€259 Cheap Flights Seoul to London (ICN-LHR)

View €259 flight on Wed, 12 Nov 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 €259 for one-way flights and €582 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Wed, 12 Nov - Thu, 20 Nov
ICN
Seoul
LHR
London
€582 Return, found 2 days ago
€582
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Wed, 12 Nov from Seoul to London, returning Thu, 20 Nov, priced at €582 found 2 days ago
Air China
Thu, 11 Sep - Wed, 24 Sep
ICN
Seoul
LHR
London
€629 Return, found 5 days ago
€629
Return
found 5 days ago
Select Air China flight, departing Thu, 11 Sep from Seoul to London, returning Wed, 24 Sep, priced at €629 found 5 days ago
Malaysia Airlines
Wed, 12 Nov - Thu, 20 Nov
ICN
Seoul
LHR
London
€635 Return, found 2 days ago
€635
Return
found 2 days ago
Select Malaysia Airlines flight, departing Wed, 12 Nov from Seoul to London, returning Thu, 20 Nov, priced at €635 found 2 days ago
Lufthansa
Fri, 12 Dec - Sun, 14 Dec
ICN
Seoul
LHR
London
€669 Return, found 14 hours ago
€669
Return
found 14 hours ago
Select Lufthansa flight, departing Fri, 12 Dec from Seoul to London, returning Sun, 14 Dec, priced at €669 found 14 hours ago
Etihad Airways
Wed, 12 Nov - Thu, 20 Nov
ICN
Seoul
LHR
London
€686 Return, found 2 days ago
€686
Return
found 2 days ago
Select Etihad Airways flight, departing Wed, 12 Nov from Seoul to London, returning Thu, 20 Nov, priced at €686 found 2 days ago
LOT-Polish Airlines
Wed, 12 Nov - Thu, 20 Nov
ICN
Seoul
LHR
London
€713 Return, found 2 days ago
€713
Return
found 2 days ago
Select LOT-Polish Airlines flight, departing Wed, 12 Nov from Seoul to London, returning Thu, 20 Nov, priced at €713 found 2 days ago
Vietnam Airlines
Mon, 22 Sep - Mon, 29 Sep
ICN
Seoul
LHR
London
€737 Return, found 5 days ago
€737
Return
found 5 days ago
Select Vietnam Airlines flight, departing Mon, 22 Sep from Seoul to London, returning Mon, 29 Sep, priced at €737 found 5 days ago
Finnair
Wed, 12 Nov - Thu, 20 Nov
ICN
Seoul
LHR
London
€751 Return, found 2 days ago
€751
Return
found 2 days ago
Select Finnair flight, departing Wed, 12 Nov from Seoul to London, returning Thu, 20 Nov, priced at €751 found 2 days ago
Korean Air
Wed, 12 Nov - Thu, 20 Nov
ICN
Seoul
LHR
London
€767 Return, found 2 days ago
€767
Return
found 2 days ago
Select Korean Air flight, departing Wed, 12 Nov from Seoul to London, returning Thu, 20 Nov, priced at €767 found 2 days ago
Emirates
Wed, 12 Nov - Thu, 20 Nov
ICN
Seoul
LHR
London
€771 Return, found 2 days ago
€771
Return
found 2 days ago
Select Emirates flight, departing Wed, 12 Nov from Seoul to London, returning Thu, 20 Nov, priced at €771 found 2 days ago

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

November is typically the cheapest month to fly

From €417 - €642 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, Asiana Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Thai Airways International, Turkish Airlines, Vietnam Airlines
Return price
€581
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 €259 and roundtrip prices from €582. 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 €582. 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.

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