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 20/10/25 1 Stopover (TFU) CA0402, CA0423 37h 20min	Return 11/11/25 1 Stopover (TFU) CA0424, CA0401 30h 20min	Air China		£571
Best option Seoul Incheon London Heathrow	Outbound 20/10/25 direct KE0907 14h 25min	Return 11/11/25 direct KE0908 12h 25min	Korean Air	?	£898
Seoul Incheon London Heathrow	Outbound 20/10/25 1 Stopover (TFU) CA0402, CA0423 37h 20min	Return 11/11/25 1 Stopover (TFU) CA0424, CA0401 30h 20min	Air China		£578
Seoul Incheon London Heathrow	Outbound 20/10/25 1 Stopover (KUL) MH0039, MH0004 24h 25min	Return 11/11/25 1 Stopover (KUL) MH0001, MH0066 24h 05min	Malaysia Airlines		£578
Seoul Incheon London Heathrow	Outbound 20/10/25 1 Stopover (TFU) CA0402, CA0423 37h 20min	Return 11/11/25 1 Stopover (TFU) CA0424, CA0401 30h 20min	Air China		£579
Seoul Incheon London Heathrow	Outbound 13/10/25 1 Stopover (SGN) VN0409, VN0051 39h 15min	Return 15/10/25 1 Stopover (HAK) HU7912, HU0449 39h 30min	Vietnam Airlines		£581
Seoul Incheon London Heathrow	Outbound 13/10/25 1 Stopover (SGN) VN0409, VN0051 39h 15min	Return 15/10/25 1 Stopover (HAK) HU7912, HU0449 39h 30min	Vietnam Airlines		£585
Seoul Incheon London Heathrow	Outbound 20/10/25 1 Stopover (KUL) MH0067, MH0002 26h 55min	Return 11/11/25 1 Stopover (KUL) MH0001, MH0066 24h 05min	Malaysia Airlines	?	£585
Seoul Incheon London Heathrow	Outbound 13/10/25 1 Stopover (SGN) VN0409, VN0051 39h 15min	Return 15/10/25 1 Stopover (HAK) HU7912, HU0449 39h 30min	Vietnam Airlines		£586
Seoul Incheon London Heathrow	Outbound 13/10/25 1 Stopover (SGN) VN0403, VN0051 31h 55min	Return 15/10/25 1 Stopover (HAK) HU7912, HU0449 39h 30min	Vietnam Airlines		£607

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	£570.37
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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