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	Baggage	Price
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
Best option Seoul Incheon London Heathrow	Outbound 04/11/25 direct OZ0521 14h 40min	Return 03/12/25 direct OZ0522 12h 35min	Asiana Airlines		£500
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 04/11/25 1 Stopover (PKX, PEK) CA0132, CA0855 34h 05min	Return 03/12/25 1 Stopover (PEK) CA0856, CA0709 19h 15min	Air China		£405
Seoul Incheon London Heathrow	Outbound 22/12/25 1 Stopover (PEK) CA0136, CA0855 34h 20min	Return 10/01/26 1 Stopover (TFU) CA0424, CA0401 30h 20min	Air China		£407
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		£408
Seoul Incheon London Heathrow	Outbound 04/11/25 1 Stopover (PEK) CA0124, CA0855 35h 45min	Return 03/12/25 1 Stopover (PEK) CA0856, CA0125 13h 55min	Air China		£413
Seoul Incheon London Heathrow	Outbound 04/11/25 1 Stopover (PVG) MU5034, MU0551 34h 10min	Return 03/12/25 1 Stopover (PVG) MU0552, MU5051 14h 45min	China Eastern Airlines		£481
Seoul Incheon London Heathrow	Outbound 20/02/26 1 Stopover (MUC) LH0719, LH4202 16h 30min	Return 24/02/26 1 Stopover (MUC) LH2473, LH0718 15h 05min	Lufthansa	?	£501
Seoul Incheon London Heathrow	Outbound 22/12/25 1 Stopover (PKX) CZ0316, CZ0673 18h 10min	Return 10/01/26 1 Stopover (PKX) CZ0674, CZ0315 15h 45min	China Southern Airlines		£502

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

Important flight information

Flight information: Seoul Incheon - London Heathrow

Outbound and return from	£387.99
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

Popular destinations for onward travel

Flight London Heathrow - Amsterdam from £127
Flight London Heathrow - Athens from £78
Flight London Heathrow - Bangkok from £308
Flight London Heathrow - Mumbai from £282
Flight London Heathrow - Cairo from £121
Flight London Heathrow - Kolkata from £442
Flight London Heathrow - Dhaka from £477
Flight London Heathrow - Delhi from £274
Flight London Heathrow - Dublin from £67
Flight London Heathrow - Dubai from £281