Flights from London Heathrow to Seoul Incheon

Our cheapest offers for flights from London Heathrow to Seoul Incheon

Here you can compare cheap flights from London Heathrow (LHR) to Seoul Incheon (ICN) 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 Seoul Incheon. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
Seoul Incheon
Outbound
30/03/26
1 Stopover (PKX)
CZ0674, CZ0315
17h 10min
Return
-
China Southern Airlines
£400
London Heathrow
Seoul Incheon
Outbound
30/03/26
1 Stopover (HEL)
AY1336, AY0041
35h 10min
Return
16/04/26
1 Stopover (HEL)
AY0042, AY1339
30h 50min
Finnair
£633
Best option
London Heathrow
Seoul Incheon
Outbound
20/03/26
direct
OZ0522
12h 40min
Return
17/04/26
direct
OZ0521
14h 30min
Asiana Airlines ?
£884
London Heathrow
Seoul Incheon
Outbound
20/03/26
1 Stopover (DEL)
AI0112, AI0312
36h 30min
Return
17/04/26
1 Stopover (DEL)
AI0313, AI2015
38h 45min
Air India
£635
London Heathrow
Seoul Incheon
Please note: transfer for connecting flight
Outbound
29/04/26
1 Stopover (CDG)
AF1581, TW0402
20h 10min
Return
08/05/26
1 Stopover (CDG)
TW0401, AF1680
29h 50min
Air France, Tway Air
£2,963
London Heathrow
Seoul Incheon
Outbound
17/03/26
1 Stopover (FRA)
LH0905, LH0712
14h 20min
Return
14/04/26
1 Stopover (FRA)
LH0713, LH0920
16h 15min
Lufthansa ?
£633
London Heathrow
Seoul Incheon
Outbound
30/03/26
1 Stopover (HEL)
AY1336, AY0041
35h 10min
Return
16/04/26
1 Stopover (HEL)
AY0042, AY1339
30h 50min
Finnair
£635
London Heathrow
Seoul Incheon
Outbound
30/03/26
1 Stopover (HEL)
AY1336, AY0041
35h 10min
Return
16/04/26
1 Stopover (HEL)
AY0042, AY1339
30h 50min
Finnair
£636
London Heathrow
Seoul Incheon
Outbound
20/03/26
1 Stopover (DEL)
AI0112, AI0312
36h 30min
Return
17/04/26
1 Stopover (DEL)
AI0313, AI2015
38h 45min
Air India
£663
London Heathrow
Seoul Incheon
Outbound
30/03/26
1 Stopover (HEL)
AY1340, AY0041
19h 50min
Return
16/04/26
1 Stopover (HEL)
AY0042, AY1337
27h 15min
Finnair
£667
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Seoul Incheon

Favourite airline: PLL LOT
The most popular airline for flights from London Heathrow to Seoul Incheon is PLL LOT.
PLL LOT
35 %
Saudia
15 %
Air India
9 %
Cheapest weekday: Tuesday
The cheapest ticket prices are available for flights departing on a Tuesday.
Direct flights are more expensive
Direct flights on this route are £558.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
12h 20min
20h 30min
28h 30min
1 089 £
531 £
750 £
Favourite connection: via Warsaw
26 % of tickets booked on this route are for flights via Warsaw.
Route
bookings
1 stopover Warsaw
15h 50min, from 735 £
26 %
1 stopover Riyadh King Khaled International
20h 30min, from 531 £
17 %
2 stopovers Warsaw Budapest Ferihegy
31h 20min, from 803 £
12 %

Important flight information

Flight information: London Heathrow - Seoul Incheon

Cheapest outbound flight from 399,03 £
Outbound and return from 632,25 £
Flight duration min. 10:55 / max. 11:00
Return flight duration min. 12:30
Distance 8871 km
Flights per week 24
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Seoul Incheon (ICN)
Destination country Flights to South Korea
Alternative flights to Seoul Incheon
Popular destinations for onward travel
Flight destinations with a similar price