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
Best option 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 08/12/25 1 Stopover (PEK) CA0126, CA0855 31h 05min	Return 24/12/25 1 Stopover (PEK, PKX) CA0856, CA0131 35h 35min	Air China		£517
Seoul Incheon London Heathrow	Outbound 08/12/25 1 Stopover (PEK) CA0126, CA0855 31h 05min	Return 24/12/25 1 Stopover (PEK, PKX) CA0856, CA0131 35h 35min	Air China		£522
Seoul Incheon London Heathrow	Outbound 08/12/25 1 Stopover (PEK) CA0126, CA0855 31h 05min	Return 24/12/25 1 Stopover (PEK, PKX) CA0856, CA0131 35h 35min	Air China		£523
Seoul Incheon London Heathrow	Outbound 08/12/25 1 Stopover (TFU) CA0402, CA0423 37h 45min	Return 24/12/25 1 Stopover (SZX) ZH0888, ZH0633 31h 45min	Air China		£527
Seoul Incheon London Heathrow	Outbound 19/02/26 1 Stopover (ALA) KC0910, KC0663 36h 15min	Return 22/02/26 1 Stopover (ALA) KC0664, KC0909 31h 35min	Air Astana		£577
Seoul Incheon London Heathrow	Outbound 08/12/25 1 Stopover (AUH) EY0827, EY0063 20h 15min	Return 24/12/25 1 Stopover (AUH) EY0068, EY0822 28h 50min	Etihad Airways	?	£578
Seoul Incheon London Heathrow	Outbound 19/02/26 1 Stopover (ALA) KC0910, KC0663 36h 15min	Return 22/02/26 1 Stopover (ALA) KC0664, KC0909 31h 35min	Air Astana		£580
Seoul Incheon London Heathrow	Outbound 08/12/25 1 Stopover (HEL) AY0042, AY1339 30h 40min	Return 24/12/25 1 Stopover (HEL) AY1338, AY0041 33h 15min	Finnair		£581
Seoul Incheon London Heathrow	Outbound 08/12/25 1 Stopover (HEL) AY0042, AY1339 30h 40min	Return 24/12/25 1 Stopover (HEL) AY1340, AY0041 19h 55min	Finnair		£590

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	£ 500,48
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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