AirHint found the following cheapest return flights from London (LON) to Seoul (ICN) in June 2026 (see full year).

Return flights

08 Jun - 23 Jun	Lufthansa
05 Jun - 12 Jun	Air China
12 Jun - 20 Jun	Air China
10 Jun - 21 Jun	Air China
15 Jun - 21 Jun	Air China
05 Jun - 13 Jun	Air China
02 Jun - 16 Jun	Air China
11 Jun - 18 Jun	Air China
11 Jun - 16 Jun	Air China
04 Jun - 11 Jun	Air China
18 Jun - 01 Jul	Air China
01 Jun - 31 Jul	Air China
28 Jun - 07 Jul	Lufthansa
24 Jun - 08 Jul	Turkish Airlines
26 Jun - 10 Jul	Turkish Airlines
23 Jun - 09 Jul	Turkish Airlines
28 Jun - 04 Jul	Finnair
22 Jun - 04 Jul	Finnair
24 Jun - 20 Jul	Lufthansa
01 Jun - 31 Jul	Korean Air	direct

Also check the deals for one-way flights from London to Seoul 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from London to Seoul in June from $662

Return flights