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

Return flights

24 Jun - 28 Jun	Japan Airlines
23 Jun - 27 Jun	Japan Airlines
10 Jun - 17 Jun	Japan Airlines
19 Jun - 28 Jun	Japan Airlines
21 Jun - 28 Jun	Japan Airlines
01 Jun - 30 Jun	Japan Airlines
05 Jun - 12 Jun	Japan Airlines
06 Jun - 13 Jun	Japan Airlines
13 Jun - 19 Jun	Japan Airlines
05 Jun - 13 Jun	Japan Airlines
26 Jun - 03 Jul	Japan Airlines
26 Jun - 04 Jul	Japan Airlines
27 Jun - 04 Jul	Japan Airlines

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 $2132

Return flights