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

Return flights

02 Dec - 06 Dec	China Eastern
02 Dec - 07 Dec	China Eastern
23 Dec - 30 Jan	China Eastern
18 Dec - 28 Dec	China Eastern
18 Dec - 29 Dec	Air China
26 Dec - 02 Jan	Shanghai Airlines
02 Dec - 05 Dec	Singapore Airlines
23 Dec - 30 Dec	Singapore Airlines
23 Dec - 31 Dec	Singapore Airlines
17 Dec - 24 Dec	Singapore Airlines
31 Dec - 14 Jan	Singapore Airlines
19 Dec - 01 Jan	Singapore Airlines
20 Dec - 30 Dec	Singapore Airlines
25 Dec - 31 Dec	Singapore Airlines
25 Dec - 02 Jan	Singapore Airlines
27 Dec - 02 Jan	Singapore Airlines

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

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 London

Cheap car rent in London

Cheapest return flights from Busan to London in December from 362€

Return flights