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

Return flights

11 Jun - 23 Jun	KLM
16 Jun - 23 Jun	KLM
02 Jun - 09 Jun	KLM
05 Jun - 23 Jun	KLM
01 Jun - 30 Jun	KLM
09 Jun - 30 Jun	KLM
13 Jun - 23 Jun	KLM
11 Jun - 02 Jul	KLM
03 Jun - 10 Jun	KLM
01 Jun - 14 Jul	KLM
07 Jun - 08 Jul	KLM
18 Jun - 30 Jun	KLM
17 Jun - 25 Jun	KLM
10 Jun - 01 Jul	KLM
11 Jun - 16 Jul	KLM
01 Jun - 13 Jul	KLM
18 Jun - 13 Jul	KLM
07 Jun - 12 Jul	KLM
18 Jun - 02 Jul	KLM
24 Jun - 08 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.

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Cheapest return flights from London to Seoul in June from 508€

Return flights