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

Return flights

11 Jul - 19 Jul	EVA Air
03 Jul - 12 Jul	EVA Air
10 Jul - 19 Jul	EVA Air
31 Jul - 30 Aug	Japan Airlines
05 Jul - 12 Jul	Japan Airlines
01 Jul - 08 Jul	Japan Airlines
09 Jul - 16 Jul	Japan Airlines
10 Jul - 22 Jul	EVA Air
04 Jul - 11 Jul	Japan Airlines
08 Jul - 21 Jul	Japan Airlines
07 Jul - 16 Jul	Japan Airlines
27 Jul - 07 Aug	Japan Airlines
26 Jul - 07 Aug	Japan Airlines
31 Jul - 09 Aug	Japan Airlines
29 Jul - 06 Aug	Japan Airlines
25 Jul - 01 Aug	Japan Airlines
24 Jul - 01 Aug	Japan Airlines
22 Jul - 12 Aug	Japan Airlines
29 Jul - 12 Aug	Japan Airlines
22 Jul - 16 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 $1564

Return flights