Cheapest return flights from Seoul to London in September from 642€

Best time to book flights for Seoul (ICN) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to London (LHR) in September 2025 (see full year).

Return flights

16 Sep - 23 Sep Etihad Airways
16 Sep - 21 Sep Etihad Airways
22 Sep - 29 Sep Air China
15 Sep - 23 Sep Etihad Airways
18 Sep - 25 Sep Etihad Airways
09 Sep - 22 Sep Shenzhen Airlines
10 Sep - 23 Sep Air China
03 Sep - 12 Sep Air China
01 Sep - 16 Sep Air China
03 Sep - 13 Sep Air China
10 Sep - 21 Oct Air China
01 Sep - 01 Oct Finnair
30 Sep - 13 Oct Etihad Airways
20 Sep - 12 Oct Air Astana
28 Sep - 12 Oct Vietnam Airlines
29 Sep - 12 Oct Vietnam Airlines
29 Sep - 15 Oct Vietnam Airlines
24 Sep - 02 Oct Vietnam Airlines
28 Sep - 08 Oct Air India
16 Sep - 15 Oct Air China

Also check the deals for one-way flights from Seoul to London in September.

Skyscanner

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.

Book a cheap hotel in London

Cheap car rent in London