AirHint found the following cheapest return flights from London (LHR) to Seoul (ICN)
in May 2025 (see full year ).
Return flights
19 May
- 11 Jun
China Eastern
$ 540
19 May
- 16 Jun
China Eastern
$ 540
13 May
- 17 Jun
China Eastern
$ 540
13 May
- 04 Jun
China Eastern
$ 540
26 May
- 15 Jun
China Eastern
$ 541
26 May
- 11 Jun
China Eastern
$ 542
26 May
- 17 Jun
China Eastern
$ 542
26 May
- 16 Jun
China Eastern
$ 542
19 May
- 10 Jun
China Eastern
$ 542
26 May
- 09 Jun
China Eastern
$ 542
13 May
- 21 May
China Eastern
$ 543
13 May
- 20 May
China Eastern
$ 544
12 May
- 19 May
China Eastern
$ 544
14 May
- 19 May
China Eastern
$ 546
12 May
- 21 May
China Eastern
$ 546
13 May
- 19 May
China Eastern
$ 547
14 May
- 20 May
China Eastern
$ 549
07 May
- 13 May
China Eastern
$ 551
14 May
- 21 May
China Eastern
$ 551
09 May
- 19 May
China Eastern
$ 552
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.
