AirHint found the following cheapest return flights from London (LGW) to Busan (PUS) in August 2025 (see full year).

Return flights

11 Aug - 18 Aug	Wizz Air UK
26 Aug - 31 Aug	China Eastern
24 Aug - 31 Aug	China Eastern
04 Aug - 11 Aug	Air India
10 Aug - 17 Aug	Wizz Air UK
03 Aug - 17 Aug	Air India
05 Aug - 15 Aug	Air India
04 Aug - 15 Aug	Air India
15 Aug - 18 Aug	Air India
03 Aug - 20 Aug	Air India
04 Aug - 02 Sep	Air China

Also check the deals for one-way flights from London to Busan in August.

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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Cheapest return flights from London to Busan in August from $988

Return flights