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

Return flights

10 Jun - 17 Jun	Air China
17 Jun - 24 Jun	Air China
03 Jun - 17 Jun	Air China
16 Jun - 23 Jun	Air China
17 Jun - 25 Jun	Air China
11 Jun - 18 Jun	Air China
01 Jun - 24 Jun	Air China
08 Jun - 16 Jun	Air China
08 Jun - 17 Jun	Air China
03 Jun - 11 Jun	Air China
25 Jun - 04 Jul	Air China
26 Jun - 04 Jul	Air China
29 Jun - 04 Jul	Air China
29 Jun - 13 Jul	Air China
22 Jun - 06 Jul	Air China
14 Jun - 04 Jul	Air China
29 Jun - 06 Jul	Air China
18 Jun - 02 Jul	Air China
24 Jun - 01 Jul	Finnair
30 Jun - 08 Jul	Finnair

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

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Seoul to London in June from $569

Return flights