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

Return flights

11 Jun - 17 Jun	Air France
26 Jun - 03 Jul	Air France
01 Jun - 08 Jun	LOT
07 Jun - 17 Jun	KLM
06 Jun - 14 Jun	LOT
06 Jun - 15 Jun	LOT
03 Jun - 10 Jun	LOT
03 Jun - 14 Jun	LOT
02 Jun - 09 Jun	Air France
04 Jun - 11 Jun	Air France
17 Jun - 23 Jun	LOT
28 Jun - 10 Jul	KLM
30 Jun - 12 Jul	Finnair
29 Jun - 10 Jul	KLM
26 Jun - 03 Jul	Korean Air	direct
28 Jun - 10 Jul	Korean Air	direct
15 Jun - 02 Jul	Air Canada

Also check the deals for one-way flights from Seoul to Lisbon 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 Seoul to Lisbon in June from 606€

Return flights