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

Return flights

01 Jun - 30 Jun	Lufthansa
23 Jun - 30 Jun	Lufthansa
11 Jun - 18 Jun	Lufthansa
09 Jun - 23 Jun	Lufthansa
23 Jun - 07 Jul	Lufthansa
23 Jun - 22 Jul	Lufthansa
22 Jun - 22 Jul	Lufthansa
04 Jun - 11 Jun	Lufthansa
04 Jun - 18 Jun	Lufthansa
03 Jun - 17 Jun	Lufthansa
01 Jun - 22 Jun	Lufthansa
30 Jun - 07 Jul	Lufthansa
01 Jun - 08 Jun	Lufthansa
01 Jun - 15 Jun	Lufthansa
19 Jun - 22 Jul	Lufthansa
25 Jun - 09 Jul	Lufthansa
01 Jun - 11 Jul	Lufthansa
01 Jun - 10 Jul	KLM
23 Jun - 18 Jul	Lufthansa
28 Jun - 07 Jul	Lufthansa

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