AirHint found the following cheapest return flights from Busan (PUS) to London (LGW) in January 2026 (see full year).

Return flights

28 Jan - 03 Feb	China Eastern
27 Jan - 03 Feb	China Eastern
19 Jan - 24 Jan	China Eastern
22 Jan - 05 Feb	China Eastern
16 Jan - 24 Jan	China Eastern
18 Jan - 24 Jan	Shanghai Airlines
24 Jan - 31 Jan	Shanghai Airlines
14 Jan - 22 Jan	Jin Air
12 Jan - 19 Jan	Air China
17 Jan - 20 Jan	China Eastern
17 Jan - 29 Jan	China Eastern
11 Jan - 18 Jan	Air China
28 Jan - 04 Feb	Singapore Airlines
05 Jan - 16 Jan	Jeju Air

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

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 Busan to London in January from 401€

Return flights