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

Return flights

23 Dec - 06 Jan	China Eastern
22 Dec - 31 Dec	China Eastern
08 Dec - 16 Dec	China Eastern
25 Dec - 30 Dec	China Eastern
13 Dec - 20 Dec	China Eastern
23 Dec - 29 Dec	China Eastern
12 Dec - 19 Dec	China Eastern
18 Dec - 29 Dec	China Eastern
27 Dec - 30 Dec	Shanghai Airlines
19 Dec - 31 Dec	Singapore Airlines
23 Dec - 13 Jan	Singapore Airlines
25 Dec - 29 Dec	Singapore Airlines
26 Dec - 01 Jan	Singapore Airlines
24 Dec - 08 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 363€

Return flights