AirHint found the following cheapest return flights from London (LHR) to Seoul (GMP)
in April 2025 (see full year ).
Return flights
15 Apr
- 25 May
China Southern
$ 477
22 Apr
- 15 May
China Southern
$ 524
22 Apr
- 26 May
China Southern
$ 526
21 Apr
- 08 May
China Southern
$ 526
22 Apr
- 08 May
China Southern
$ 529
22 Apr
- 12 May
China Southern
$ 532
15 Apr
- 22 May
China Southern
$ 533
20 Apr
- 08 May
China Southern
$ 533
23 Apr
- 26 May
China Southern
$ 640
23 Apr
- 08 May
China Southern
$ 641
03 Apr
- 11 Apr
British Airways
$ 797
01 Apr
- 07 Apr
Scandinavian Airlines
$ 840
09 Apr
- 15 Apr
British Airways
$ 872
08 Apr
- 10 Apr
British Airways
$ 884
20 Apr
- 28 Apr
China Southern
$ 899
15 Apr
- 29 Apr
China Southern
$ 900
20 Apr
- 29 Apr
China Southern
$ 900
14 Apr
- 28 Apr
China Southern
$ 904
01 Apr
- 09 Apr
Scandinavian Airlines
$ 935
09 Apr
- 16 Apr
Air China
$ 963
Also check the deals for one-way flights from London to Seoul in April .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.