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

Return flights

04 Jul - 12 Jul	EVA Air
01 Jul - 12 Jul	Japan Airlines
02 Jul - 08 Jul	Japan Airlines
31 Jul - 09 Aug	EVA Air
01 Jul - 07 Jul	Japan Airlines
06 Jul - 19 Jul	Japan Airlines
05 Jul - 06 Jul	Japan Airlines
05 Jul - 19 Jul	Japan Airlines
01 Jul - 15 Jul	Japan Airlines
03 Jul - 17 Jul	Japan Airlines
19 Jul - 24 Jul	Japan Airlines
29 Jul - 02 Aug	Japan Airlines
25 Jul - 01 Aug	Japan Airlines
19 Jul - 16 Aug	Japan Airlines
20 Jul - 17 Aug	Japan Airlines
17 Jul - 01 Aug	Japan Airlines
28 Jul - 02 Aug	Japan Airlines
25 Jul - 08 Aug	Japan Airlines
26 Jul - 09 Aug	Japan Airlines

Also check the deals for one-way flights from Seoul to Lisbon in July.

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 July from 1699€

Return flights