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

Return flights

03 Jun - 10 Jun	Lufthansa
10 Jun - 16 Jun	Lufthansa
17 Jun - 24 Jun	Lufthansa
03 Jun - 14 Jun	LOT
01 Jun - 16 Jun	LOT
07 Jun - 17 Jun	LOT
02 Jun - 07 Jun	LOT
01 Jun - 08 Jun	LOT
10 Jun - 14 Jun	Lufthansa
17 Jun - 08 Jul	Lufthansa
24 Jun - 28 Jun	LOT
21 Jun - 01 Jul	LOT
29 Jun - 07 Jul	Lufthansa
22 Jun - 02 Jul	Lufthansa
29 Jun - 05 Jul	Lufthansa
22 Jun - 06 Jul	LOT
28 Jun - 08 Jul	KLM
29 Jun - 03 Jul	Lufthansa
28 Jun - 10 Jul	KLM
26 Jun - 12 Jul	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 $699

Return flights