Cheapest one-way flights from Seoul to London in September from 252€

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

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

One-Way flights

24 Sep Malaysia Airlines
13 Sep Malaysia Airlines
30 Sep Malaysia Airlines
12 Sep Malaysia Airlines
26 Sep Malaysia Airlines
28 Sep Malaysia Airlines
27 Sep Malaysia Airlines
21 Sep Malaysia Airlines
10 Sep Malaysia Airlines
02 Sep HK Express

Also check the deals for return 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