AirHint found the following cheapest return flights from London (LHR) to Seoul (ICN)
in April 2025 (see full year ).
Return flights
23 Apr
- 14 May
China Southern
$ 562
21 Apr
- 23 May
China Southern
$ 562
25 Apr
- 13 May
China Southern
$ 562
28 Apr
- 27 May
China Southern
$ 562
21 Apr
- 19 May
China Southern
$ 562
24 Apr
- 14 May
China Southern
$ 565
24 Apr
- 19 May
China Southern
$ 565
22 Apr
- 20 May
China Southern
$ 565
27 Apr
- 22 May
China Southern
$ 565
24 Apr
- 26 May
China Southern
$ 565
17 Apr
- 30 Apr
Air China
$ 675
24 Apr
- 30 Apr
Air China
$ 676
23 Apr
- 30 Apr
Air China
$ 676
14 Apr
- 30 Apr
Air China
$ 676
15 Apr
- 30 Apr
Air China
$ 680
18 Apr
- 30 Apr
Air China
$ 708
17 Apr
- 28 Apr
Air China
$ 777
14 Apr
- 28 Apr
Air China
$ 777
10 Apr
- 14 Apr
Air India
$ 779
15 Apr
- 28 Apr
Air China
$ 782
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.