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

Return flights

06 Jun - 15 Jun	China Eastern
15 Jun - 22 Jun	Air China
24 Jun - 01 Jul	China Eastern
19 Jun - 23 Jun	Air China
01 Jun - 08 Jun	Singapore Airlines
01 Jun - 02 Jun	Singapore Airlines
21 Jun - 29 Jun	Air China
25 Jun - 05 Jul	Air China
01 Jun - 03 Jun	Singapore Airlines
30 Jun - 08 Jul	Air China
22 Jun - 29 Jun	Air China

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

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 June from 418€

Return flights