Cheapest one-way flights from London to Seoul in September from $363

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

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

One-Way flights

25 Sep Wizz Air Malta
18 Sep China Southern
12 Sep China Southern
19 Sep China Southern
22 Sep China Southern
24 Sep British Airways
08 Sep China Southern
04 Sep Ryanair
10 Sep easyJet
23 Sep easyJet

Also check the deals for return flights from London to Seoul 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 Seoul

Cheap car rent in Seoul