S$534 Cheap Flights from London to Seoul

View S$534 flight on Sun, 19 Apr, 2026Opens 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$534 for one-way flights and S$806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Shenzhen Airlines
Wed, 18 Nov - Fri, 27 Nov
LHR
London
ICN
Seoul
S$806 Return, found 3 days ago
S$806
Return
found 3 days ago
Select Shenzhen Airlines flight, departing Wed, 18 Nov from London to Seoul, returning Fri, 27 Nov, priced at S$806 found 3 days ago
Air China
Wed, 18 Nov - Fri, 27 Nov
LHR
London
ICN
Seoul
S$887 Return, found 3 days ago
S$887
Return
found 3 days ago
Select Air China flight, departing Wed, 18 Nov from London to Seoul, returning Fri, 27 Nov, priced at S$887 found 3 days ago
Scandinavian Airlines
Wed, 18 Nov - Fri, 27 Nov
LHR
London
ICN
Seoul
S$980 Return, found 3 days ago
S$980
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Wed, 18 Nov from London to Seoul, returning Fri, 27 Nov, priced at S$980 found 3 days ago
Air India
Thu, 23 Apr - Thu, 7 May
LHR
London
ICN
Seoul
S$995 Return, found 12 hours ago
S$995
Return
found 12 hours ago
Select Air India flight, departing Thu, 23 Apr from London to Seoul, returning Thu, 7 May, priced at S$995 found 12 hours ago
China Southern Airlines
Wed, 18 Nov - Fri, 27 Nov
LHR
London
ICN
Seoul
S$1,034 Return, found 3 days ago
S$1,034
Return
found 3 days ago
Select China Southern Airlines flight, departing Wed, 18 Nov from London to Seoul, returning Fri, 27 Nov, priced at S$1,034 found 3 days ago
Etihad Airways
Mon, 13 Apr - Mon, 20 Apr
LHR
London
ICN
Seoul
S$1,105 Return, found 1 hour ago
S$1,105
Return
found 1 hour ago
Select Etihad Airways flight, departing Mon, 13 Apr from London to Seoul, returning Mon, 20 Apr, priced at S$1,105 found 1 hour ago
Finnair
Sun, 20 Sept - Tue, 29 Sept
LHR
London
ICN
Seoul
S$1,127 Return, found 5 hours ago
S$1,127
Return
found 5 hours ago
Select Finnair flight, departing Sun, 20 Sept from London to Seoul, returning Tue, 29 Sept, priced at S$1,127 found 5 hours ago
KLM
Thu, 3 Dec - Sun, 13 Dec
LHR
London
ICN
Seoul
S$1,131 Return, found 4 days ago
S$1,131
Return
found 4 days ago
Select KLM flight, departing Thu, 3 Dec from London to Seoul, returning Sun, 13 Dec, priced at S$1,131 found 4 days ago
Qatar Airways
Thu, 11 Jun - Thu, 18 Jun
LHR
London
ICN
Seoul
S$1,153 Return, just found
S$1,153
Return
just found
Select Qatar Airways flight, departing Thu, 11 Jun from London to Seoul, returning Thu, 18 Jun, priced at S$1,153 just found
Royal Brunei Airlines
Sun, 20 Sept - Tue, 29 Sept
LHR
London
ICN
Seoul
S$1,325 Return, found 5 hours ago
S$1,325
Return
found 5 hours ago
Select Royal Brunei Airlines flight, departing Sun, 20 Sept from London to Seoul, returning Tue, 29 Sept, priced at S$1,325 found 5 hours ago

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

May is typically the cheapest month to fly

From S$677 - S$1,190 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$806. 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, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Southern Airlines, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United, Virgin Atlantic
Return price
S$805
Distance
8809 km
Average flight time
20 hours 41 mins

Book with confidence

Perfect flights from London to Seoul

Your Journey from London to Seoul

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With Expedia, you have access to a wide range of airlines, including Etihad Airways, Shenzhen Airlines, Hainan Airlines, Air India, China Southern Airlines, China Eastern Airlines, Air China, Lufthansa, Finnair, Asiana Airlines, Scandinavian Airlines, KLM, Qatar Airways, Royal Brunei Airlines. 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$534 and roundtrip prices from S$806*.
 

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Experience the Vibrant Seoul

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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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