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

Return flights

30 Jan - 07 Feb	Singapore Airlines
21 Jan - 28 Jan	Singapore Airlines
28 Jan - 03 Feb	Singapore Airlines
21 Jan - 26 Jan	Singapore Airlines
30 Jan - 06 Feb	Singapore Airlines
31 Jan - 06 Feb	Singapore Airlines
25 Jan - 31 Jan	Singapore Airlines
18 Jan - 28 Jan	Singapore Airlines
16 Jan - 23 Jan	Singapore Airlines
06 Jan - 18 Jan	Singapore Airlines
06 Jan - 13 Jan	Singapore Airlines
01 Jan - 06 Jan	Singapore Airlines
08 Jan - 23 Jan	Singapore Airlines
18 Jan - 29 Jan	Singapore Airlines

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Busan to London in January from $1077

Return flights