Flights from London to Seoul

Our cheapest offers for flights from London to Seoul

Here you can compare cheap flights from London (LON) to Seoul (SEL) 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. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London
Seoul
Please note: transfer for connecting flight
Outbound
31/03/26
2 Stopovers (BUD, CKG)
FR3592, CA0436, CA0439
35h 45min
Return
-
Ryanair, Air China
£350
London
Seoul
Outbound
31/01/26
1 Stopover (TFU)
CA0424, CA0401
30h 20min
Return
03/02/26
1 Stopover (PEK)
CA0710, CA0937
15h 40min
Air China
£375
Best option
London
Seoul
Outbound
20/03/26
direct
OZ0522
12h 40min
Return
17/04/26
direct
OZ0521
14h 30min
Asiana Airlines ?
£884
London
Seoul
Please note: transfer for connecting flight
Outbound
20/03/26
2 Stopovers (LUX, CAN)
FR1459, CZ0678, CZ0339
28h 30min
Return
17/04/26
2 Stopovers (HAN, FRA, HHN)
VN0417, VN0037, FR1748
35h 30min
Ryanair, China Southern Airlines
£616
London
Seoul
Outbound
31/01/26
1 Stopover (TFU)
CA0424, CA0401
30h 20min
Return
03/02/26
1 Stopover (PEK)
CA0710, CA0937
15h 40min
Air China
£378
London
Seoul
Outbound
31/01/26
1 Stopover (TFU)
CA0424, CA0401
30h 20min
Return
03/02/26
1 Stopover (PEK)
CA0710, CA0937
15h 40min
Air China
£385
London
Seoul
Outbound
28/01/26
1 Stopover (FRA)
LH0905, LH0712
14h 20min
Return
06/02/26
1 Stopover (MUC)
LH0719, LH4202
16h 30min
Lufthansa ?
£463
London
Seoul
Outbound
31/01/26
2 Stopovers (MXP, TFU)
FR2757, CA0446, CA0401
21h 55min
Return
03/02/26
2 Stopovers (AUH, FRA, HHN)
EY0823, EY0121, FR1748
27h 40min
Ryanair, Air China ?
£593
London
Seoul
Outbound
31/01/26
2 Stopovers (MXP, TFU)
FR2757, CA0446, CA0401
21h 55min
Return
03/02/26
1 Stopover (DXB)
EK0323, EK0065
21h 25min
Ryanair, Air China
£621
London
Seoul
Outbound
30/03/26
1 Stopover (HEL)
AY1336, AY0041
35h 10min
Return
16/04/26
1 Stopover (HEL)
AY0042, AY1339
30h 50min
Finnair
£633
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 to Seoul

Favourite airline: KLM
48 % of bookings on this flight route are made with KLM, PLL LOT and Emirates.
KLM
18 %
PLL LOT
17 %
Emirates
13 %
Cheapest weekday: Friday
Flight prices fluctuate during the week. Flights are 17 % cheaper on Friday.
Stopover flights are the cheapest connection
Direct flights on this route are £631.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
12h 20min
25h 10min
21h 30min
£ 1.089
£ 458
£ 620
Favourite connection: via Amsterdam
Stopover flights on this route are especially popular via Amsterdam, making up 16 % of bookings.
Route
bookings
1 stopover Amsterdam Schiphol
15h 15min, from £ 739
16 %
1 stopover Dubai
35h 15min, from £ 998
15 %
1 stopover Warsaw
15h 50min, from £ 735
13 %

Important flight information

Flight information: London - Seoul

Cheapest outbound flight from £ 349,50
Outbound and return from £ 374,99
Flight duration min. 10:55 / max. 11:00
Return flight duration min. 12:30
Distance 8862 km
Flights per week 24
Departure airport Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport Airport Seoul, all airports (ICN, GMP) (SEL)
Destination country Flights to South Korea
Flight destinations with a similar price