Cheapest one-way flights from Seoul to London in September from 274€

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

29 Sep Vietnam Airlines
11 Sep Etihad Airways
24 Sep HK Express
22 Sep HK Express
09 Sep Etihad Airways
12 Sep Qatar Airways
10 Sep Qatar Airways
25 Sep VietJet Air
14 Sep Vietnam Airlines
21 Sep Vietnam Airlines

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