Cheapest one-way flights from London to Seoul in August from $666

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 August 2025 (see full year).

One-Way flights

26 Aug British Airways
31 Aug British Airways
24 Aug Etihad Airways
30 Aug Etihad Airways
06 Aug British Airways
22 Aug Brussels Airlines
29 Aug British Airways
25 Aug Brussels Airlines
20 Aug Brussels Airlines
02 Aug Air China

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

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