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

Return flights

03 Jun - 09 Jun	Scandinavian Airlines
05 Jun - 14 Jun	Iberia
03 Jun - 12 Jun	Iberia
08 Jun - 23 Jun	Iberia
07 Jun - 17 Jun	Iberia
10 Jun - 18 Jun	LOT
09 Jun - 24 Jun	SWISS
08 Jun - 14 Jun	Iberia
22 Jun - 29 Jun	Finnair
07 Jun - 16 Jun	Air France
28 Jun - 01 Jul	Etihad Airways
28 Jun - 01 Jul	Korean Air	direct

Also check the deals for one-way flights from Lisbon 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 Lisbon to Seoul in June from $665

Return flights