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
02 Jun - 09 Jun	Lufthansa
17 Jun - 24 Jun	LOT
10 Jun - 16 Jun	LOT
10 Jun - 17 Jun	LOT
06 Jun - 14 Jun	Air France
03 Jun - 07 Jun	LOT
07 Jun - 17 Jun	LOT
24 Jun - 28 Jun	LOT
21 Jun - 01 Jul	LOT
21 Jun - 28 Jun	LOT
29 Jun - 13 Jul	Lufthansa
29 Jun - 08 Jul	Lufthansa
24 Jun - 15 Jul	Lufthansa
23 Jun - 14 Jul	Finnair
28 Jun - 08 Jul	KLM
24 Jun - 03 Jul	Lufthansa
29 Jun - 03 Jul	Air France
27 Jun - 07 Jul	SWISS
28 Jun - 10 Jul	KLM

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Seoul to Lisbon in June from 608€

Return flights