S$449 Cheap Flights from London to Seoul

View S$449 flight on Tue, 4 Nov, 2025Opens in a new window

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

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Cheap Flights from London to Seoul (LHR-ICN)

Prices were available within the past 7 days and start at S$449 for one-way flights and S$671 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Wed, 3 Dec - Wed, 10 Dec
LHR
London
ICN
Seoul
S$671 Return, found 5 hours ago
S$671
Return
found 5 hours ago
Select China Southern Airlines flight, departing Wed, 3 Dec from London to Seoul, returning Wed, 10 Dec, priced at S$671 found 5 hours ago
Air China
Thu, 27 Nov - Wed, 3 Dec
LHR
London
ICN
Seoul
S$692 Return, found 5 hours ago
S$692
Return
found 5 hours ago
Select Air China flight, departing Thu, 27 Nov from London to Seoul, returning Wed, 3 Dec, priced at S$692 found 5 hours ago
China Eastern Airlines
Fri, 28 Nov - Fri, 12 Dec
LHR
London
ICN
Seoul
S$716 Return, found 5 hours ago
S$716
Return
found 5 hours ago
Select China Eastern Airlines flight, departing Fri, 28 Nov from London to Seoul, returning Fri, 12 Dec, priced at S$716 found 5 hours ago
Shenzhen Airlines
Mon, 1 Dec - Thu, 11 Dec
LHR
London
ICN
Seoul
S$800 Return, found 2 hours ago
S$800
Return
found 2 hours ago
Select Shenzhen Airlines flight, departing Mon, 1 Dec from London to Seoul, returning Thu, 11 Dec, priced at S$800 found 2 hours ago
Lufthansa
Fri, 28 Nov - Fri, 12 Dec
LHR
London
ICN
Seoul
S$966 Return, found 5 hours ago
S$966
Return
found 5 hours ago
Select Lufthansa flight, departing Fri, 28 Nov from London to Seoul, returning Fri, 12 Dec, priced at S$966 found 5 hours ago
Etihad Airways
Thu, 13 Nov - Thu, 27 Nov
LHR
London
ICN
Seoul
S$972 Return, found 5 hours ago
S$972
Return
found 5 hours ago
Select Etihad Airways flight, departing Thu, 13 Nov from London to Seoul, returning Thu, 27 Nov, priced at S$972 found 5 hours ago
Air India
Thu, 13 Nov - Thu, 27 Nov
LHR
London
ICN
Seoul
S$995 Return, found 5 hours ago
S$995
Return
found 5 hours ago
Select Air India flight, departing Thu, 13 Nov from London to Seoul, returning Thu, 27 Nov, priced at S$995 found 5 hours ago
Air France
Wed, 3 Dec - Wed, 10 Dec
LHR
London
ICN
Seoul
S$1,072 Return, found 5 hours ago
S$1,072
Return
found 5 hours ago
Select Air France flight, departing Wed, 3 Dec from London to Seoul, returning Wed, 10 Dec, priced at S$1,072 found 5 hours ago
LOT-Polish Airlines
Sat, 8 Nov - Sat, 29 Nov
LHR
London
ICN
Seoul
S$1,100 Return, found 2 hours ago
S$1,100
Return
found 2 hours ago
Select LOT-Polish Airlines flight, departing Sat, 8 Nov from London to Seoul, returning Sat, 29 Nov, priced at S$1,100 found 2 hours ago
KLM
Thu, 27 Nov - Wed, 3 Dec
LHR
London
ICN
Seoul
S$1,112 Return, found 5 hours ago
S$1,112
Return
found 5 hours ago
Select KLM flight, departing Thu, 27 Nov from London to Seoul, returning Wed, 3 Dec, priced at S$1,112 found 5 hours ago

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

March is typically the cheapest month to fly

From S$612 - S$1,329 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 S$671. 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, British Airways, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Finnair, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United, Virgin Atlantic
Return price
S$671
Distance
8809 km
Average flight time
20 hours 45 mins

Book with confidence

Perfect flights from London to Seoul

Your Journey from London to Seoul

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Seoul caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including China Eastern Airlines, China Southern Airlines, Air China, Shenzhen Airlines, LOT-Polish Airlines, Air India, Etihad Airways, Lufthansa, Swiss International Air Lines, Virgin Atlantic, Air France, KLM. Our selection of flights from Heathrow to Incheon Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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Experience the joy of finding cheap flights from Heathrow to Incheon Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$449 and roundtrip prices from S$671*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Seoul with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seoul

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Book Your Flight from London to Seoul with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from London to Seoul

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