AirHint found the following cheapest return flights from London (LON) to Seoul (ICN)
in May 2025 (see full year ).
Return flights
15 May
- 23 May
China Southern
$ 453
13 May
- 23 May
China Southern
$ 477
14 May
- 26 May
China Southern
$ 477
21 May
- 30 May
China Southern
$ 477
15 May
- 19 May
China Southern
$ 477
20 May
- 30 May
China Southern
$ 477
17 May
- 30 May
China Southern
$ 477
19 May
- 26 May
China Southern
$ 478
18 May
- 30 May
China Southern
$ 478
12 May
- 19 May
China Southern
$ 478
31 May
- 14 Jun
China Southern
$ 576
26 May
- 06 Jun
China Southern
$ 576
26 May
- 09 Jun
China Southern
$ 576
12 May
- 11 Jun
China Southern
$ 576
14 May
- 11 Jun
China Southern
$ 576
13 May
- 10 Jun
China Southern
$ 576
28 May
- 10 Jun
China Southern
$ 576
20 May
- 07 Jun
China Southern
$ 576
28 May
- 07 Jun
China Southern
$ 576
27 May
- 10 Jun
China Southern
$ 576
Also check the deals for one-way flights from London to Seoul in May .
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.
