Cheapest return GMP–LIS flights, September

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

Return flights

22 Sep - 26 Sep Japan Airlines
27 Sep - 04 Oct Japan Airlines
01 Sep - 07 Sep Japan Airlines
19 Sep - 27 Sep EVA Air
18 Sep - 28 Sep EVA Air
06 Sep - 17 Sep Japan Airlines
08 Sep - 17 Sep Japan Airlines
25 Sep - 04 Oct Japan Airlines
25 Sep - 02 Oct Japan Airlines
24 Sep - 01 Oct Japan Airlines
24 Sep - 03 Oct Japan Airlines
10 Sep - 23 Sep Japan Airlines
07 Sep - 13 Sep Japan Airlines
14 Sep - 22 Sep Japan Airlines
16 Sep - 22 Sep Japan Airlines
25 Sep - 05 Oct Japan Airlines
27 Sep - 07 Oct Japan Airlines

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

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