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

Return flights

03 Jun - 14 Jun	LOT
15 Jun - 26 Jun	LOT
08 Jun - 26 Jun	LOT
17 Jun - 26 Jun	LOT
16 Jun - 23 Jun	LOT
17 Jun - 24 Jun	LOT
03 Jun - 12 Jun	Air France
01 Jun - 12 Jun	Finnair
16 Jun - 27 Jun	LOT
07 Jun - 14 Jun	Finnair

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 654€

Return flights