Our cheapest offers for flights from Seoul Incheon to London Heathrow

Here you can compare cheap flights from Seoul Incheon (ICN) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

	Outbound	Return	Airlines	Price
Seoul Incheon London Heathrow	Outbound 21/12/25 1 Stopover (PVG) MU5062, MU0551 36h 00min	Return -	China Eastern Airlines	£1,040
Seoul Incheon London Heathrow	Outbound 31/01/26 1 Stopover (PKX, PEK) CA0132, CA0937 36h 00min	Return 03/02/26 1 Stopover (PEK, PKX) CA0856, CA0131 35h 05min	Air China	£384 found yesterday
Best option Seoul Incheon London Heathrow	Outbound 31/01/26 direct OZ0521 14h 40min	Return 03/02/26 direct OZ0522 12h 40min	Asiana Airlines	£636 found yesterday
Seoul Incheon London Heathrow Please note: transfer for connecting flight	Outbound 09/12/25 1 Stopover (PEK) OZ0331, CA0855 16h 35min	Return 02/01/26 direct KE0908 12h 35min	Asiana Airlines, Air China	£1,884
Seoul Incheon London Heathrow	Outbound 22/12/25 1 Stopover (CAN) CZ3062, CZ0303 35h 20min	Return 10/01/26 1 Stopover (CAN) CZ0304, CZ0339 38h 50min	China Southern Airlines	£388
Seoul Incheon London Heathrow	Outbound 31/01/26 1 Stopover (PKX, PEK) CA0132, CA0937 36h 00min	Return 03/02/26 1 Stopover (PEK, PKX) CA0856, CA0131 35h 05min	Air China	£391 found yesterday
Seoul Incheon London Heathrow	Outbound 31/01/26 1 Stopover (PEK) CA0710, CA0937 15h 40min	Return 03/02/26 1 Stopover (PEK) CA0938, CA0709 16h 30min	Air China	£393 found yesterday
Seoul Incheon London Heathrow	Outbound 22/12/25 1 Stopover (CAN) CZ3062, CZ0303 35h 20min	Return 10/01/26 1 Stopover (CAN) CZ0304, CZ0339 38h 50min	China Southern Airlines	£393
Seoul Incheon London Heathrow	Outbound 20/03/26 1 Stopover (PKX) CZ0316, CZ0673 17h 30min	Return 17/04/26 1 Stopover (PKX) CZ0674, CZ0315 17h 10min	China Southern Airlines	£406
Seoul Incheon London Heathrow	Outbound 31/01/26 1 Stopover (PEK) CA0710, CA0937 15h 40min	Return 03/02/26 1 Stopover (PEK, PKX) CA0938, CA0131 32h 20min	Air China	£407 found yesterday

Tips and tricks to help you find cheap flights from Seoul Incheon to London Heathrow

Important flight information

Flight information: Seoul Incheon - London Heathrow

Cheapest outbound flight from	1.039,40 £
Outbound and return from	383,99 £
Flight duration	min. 12:30
Return flight duration	min. 10:55/ max. 11:00
Distance	8871 km
Flights per week	24
Departure airport	Airport Seoul Incheon (ICN)
Departure country	Flights from South Korea
Arrival airport	Airport London Heathrow (LHR)
Destination country	Flights to United Kingdom

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