Cheapest one-way flights from London to Seoul in October from $434

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

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

One-Way flights

28 Oct Air China
11 Oct British Airways
31 Oct Air China
04 Oct Brussels Airlines
13 Oct Brussels Airlines
17 Oct Brussels Airlines
20 Oct Brussels Airlines
18 Oct Brussels Airlines
01 Oct Brussels Airlines
08 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.

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