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

One-Way flights

10 Jun	Vietnam Airlines
13 Jun	Vietnam Airlines
15 Jun	Etihad Airways
01 Jun	Etihad Airways
03 Jun	Etihad Airways
28 Jun	KLM
26 Jun	Air France
14 Jun	Emirates
03 Jun	Korean Air	direct
17 Jun	Korean Air	direct

Also check the deals for return 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 one-way flights from Seoul to Lisbon in June from $370

One-Way flights