Cheapest one-way flights from London to Seoul in October from $449

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

30 Oct Air China
29 Oct Air China
28 Oct Air China
20 Oct Shenzhen Airlines
19 Oct Shenzhen Airlines
31 Oct Shenzhen Airlines
25 Oct Shenzhen Airlines
24 Oct Shenzhen Airlines
18 Oct Shenzhen Airlines
15 Oct Shenzhen Airlines

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