AirHint found the following cheapest return flights from Seoul (ICN) to London (LHR)
in April 2025 (see full year ).
Return flights
02 Apr
- 25 Apr
China Eastern
470 €
02 Apr
- 14 Apr
China Eastern
472 €
04 Apr
- 12 May
China Southern
474 €
02 Apr
- 12 May
China Southern
486 €
08 Apr
- 22 Apr
China Southern
487 €
07 Apr
- 19 Apr
China Southern
494 €
02 Apr
- 15 Apr
China Southern
494 €
07 Apr
- 15 Apr
China Southern
494 €
07 Apr
- 22 Apr
China Southern
494 €
02 Apr
- 24 Apr
China Southern
494 €
03 Apr
- 15 Apr
China Southern
494 €
01 Apr
- 22 Apr
China Southern
494 €
15 Apr
- 13 May
Finnair
594 €
05 Apr
- 25 May
Etihad Airways
673 €
05 Apr
- 31 May
China Southern
674 €
08 Apr
- 31 May
China Southern
674 €
29 Apr
- 12 May
Royal Brunei
692 €
25 Apr
- 06 May
Shandong Airlines
745 €
12 Apr
- 31 May
Etihad Airways
747 €
17 Apr
- 07 May
Finnair
769 €
Also check the deals for one-way flights from Seoul to London 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.