Cheapest one-way flights from London to Seoul in October from $438

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

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

One-Way flights

26 Oct Air China
25 Oct British Airways
24 Oct British Airways
12 Oct British Airways
01 Oct British Airways
11 Oct British Airways
31 Oct British Airways
10 Oct British Airways
03 Oct British Airways
02 Oct British Airways

Also check the deals for return flights from London to Seoul in October.

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