AirHint found the following cheapest return flights from London (LHR) to Seoul (ICN)
in May 2025 (see full year ).
Return flights
08 May
- 18 May
Air China
$ 550
03 May
- 10 May
Air China
$ 558
13 May
- 28 May
China Southern
$ 561
19 May
- 27 May
China Southern
$ 561
12 May
- 23 May
China Southern
$ 561
07 May
- 19 May
China Southern
$ 562
12 May
- 22 May
China Southern
$ 562
13 May
- 23 May
China Southern
$ 562
12 May
- 26 May
China Southern
$ 562
12 May
- 20 May
China Southern
$ 562
20 May
- 04 Jun
China Eastern
$ 562
20 May
- 16 Jun
China Southern
$ 568
25 May
- 20 Jun
China Southern
$ 568
13 May
- 12 Jun
China Southern
$ 568
26 May
- 13 Jun
China Southern
$ 569
26 May
- 09 Jun
China Southern
$ 569
22 May
- 04 Jun
China Eastern
$ 570
25 May
- 08 Jun
China Southern
$ 572
25 May
- 19 Jun
China Southern
$ 572
13 May
- 24 Jun
China Southern
$ 572
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.