AirHint found the following cheapest return flights from London (LON) to Seoul (ICN)
in May 2025 (see full year ).
Return flights
08 May
- 18 May
Ryanair
$ 497
09 May
- 15 May
China Eastern
$ 516
09 May
- 16 May
China Eastern
$ 516
20 May
- 04 Jun
China Eastern
$ 516
22 May
- 04 Jun
China Eastern
$ 516
03 May
- 10 May
China Eastern
$ 533
14 May
- 26 May
Ryanair
$ 551
11 May
- 19 May
Ryanair
$ 551
14 May
- 23 May
Ryanair
$ 552
14 May
- 20 May
Ryanair
$ 553
12 May
- 19 May
Ryanair
$ 554
11 May
- 25 May
Ryanair
$ 554
20 May
- 16 Jun
China Southern
$ 561
25 May
- 25 Jun
China Southern
$ 561
25 May
- 20 Jun
China Southern
$ 561
13 May
- 12 Jun
China Southern
$ 561
26 May
- 13 Jun
China Southern
$ 562
19 May
- 06 Jun
China Southern
$ 562
27 May
- 06 Jun
China Southern
$ 562
26 May
- 09 Jun
China Southern
$ 562
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.