Cheap Flights from Seoul (ICN) to London (LHR) from HK$2,337~

View HK$2,337 flight on Wed, 22 Oct 2025Opens in a new window

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

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Find Cheap Flights from Seoul (ICN) to London (LHR)

Prices were available within the past 7 days and start at HK$2,337 for one-way flights and HK$5,023 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Sat, 23 Aug - Wed, 17 Sep
ICN
Seoul
LHR
London
HK$5,023 Return, found 4 days ago
HK$5,023
Return
found 4 days ago
Select China Southern Airlines flight, departing Sat, 23 Aug from Seoul to London, returning Wed, 17 Sep, priced at HK$5,023 found 4 days ago
Scandinavian Airlines
Fri, 28 Nov - Sun, 30 Nov
ICN
Seoul
LHR
London
HK$5,302 Return, found 6 days ago
HK$5,302
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Fri, 28 Nov from Seoul to London, returning Sun, 30 Nov, priced at HK$5,302 found 6 days ago
Malaysia Airlines
Sat, 17 Jan - Sun, 25 Jan
ICN
Seoul
LHR
London
HK$5,795 Return, found 4 days ago
HK$5,795
Return
found 4 days ago
Select Malaysia Airlines flight, departing Sat, 17 Jan from Seoul to London, returning Sun, 25 Jan, priced at HK$5,795 found 4 days ago
China Eastern Airlines
Wed, 19 Nov - Tue, 25 Nov
ICN
Seoul
LHR
London
HK$5,971 Return, found 4 days ago
HK$5,971
Return
found 4 days ago
Select China Eastern Airlines flight, departing Wed, 19 Nov from Seoul to London, returning Tue, 25 Nov, priced at HK$5,971 found 4 days ago
Etihad Airways
Tue, 14 Oct - Tue, 21 Oct
ICN
Seoul
LHR
London
HK$6,420 Return, found 3 days ago
HK$6,420
Return
found 3 days ago
Select Etihad Airways flight, departing Tue, 14 Oct from Seoul to London, returning Tue, 21 Oct, priced at HK$6,420 found 3 days ago
Lufthansa
Wed, 19 Nov - Tue, 25 Nov
ICN
Seoul
LHR
London
HK$6,424 Return, found 4 days ago
HK$6,424
Return
found 4 days ago
Select Lufthansa flight, departing Wed, 19 Nov from Seoul to London, returning Tue, 25 Nov, priced at HK$6,424 found 4 days ago
Vietnam Airlines
Sat, 18 Oct - Mon, 27 Oct
ICN
Seoul
LHR
London
HK$6,676 Return, found 4 days ago
HK$6,676
Return
found 4 days ago
Select Vietnam Airlines flight, departing Sat, 18 Oct from Seoul to London, returning Mon, 27 Oct, priced at HK$6,676 found 4 days ago
Korean Air
Thu, 13 Nov - Wed, 19 Nov
ICN
Seoul
LHR
London
HK$6,712 Return, found 2 hours ago
HK$6,712
Return
found 2 hours ago
Select Korean Air flight, departing Thu, 13 Nov from Seoul to London, returning Wed, 19 Nov, priced at HK$6,712 found 2 hours ago
Finnair
Mon, 26 Jan - Sat, 7 Feb
ICN
Seoul
LHR
London
HK$6,857 Return, found 4 days ago
HK$6,857
Return
found 4 days ago
Select Finnair flight, departing Mon, 26 Jan from Seoul to London, returning Sat, 7 Feb, priced at HK$6,857 found 4 days ago
Emirates
Wed, 19 Nov - Tue, 25 Nov
ICN
Seoul
LHR
London
HK$7,055 Return, found 4 days ago
HK$7,055
Return
found 4 days ago
Select Emirates flight, departing Wed, 19 Nov from Seoul to London, returning Tue, 25 Nov, priced at HK$7,055 found 4 days ago

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

November is typically the cheapest month to fly

From HK$3,789 - HK$5,833 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 France, Asiana Airlines, British Airways, Cathay Pacific, China Eastern Airlines, China Southern Airlines, EVA Airways, Emirates, Etihad Airways, Finnair, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Swiss International Air Lines, Thai Airways International, Turkish Airlines, Vietnam Airlines, Virgin Atlantic
Return price
HK$5,023
Distance
8809 km
Average flight time
6 hours 27 mins

Flights from Incheon to London

Book cheap flights from Incheon (ICN) to London (LHR) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Incheon (ICN) to London (LHR) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Incheon (ICN) to London (LHR) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your London flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in London and things to do in London for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to London more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is HK$2,337 now!

 

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 HK$5,023. 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 kilometers 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 travelers 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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