Cheapest return flights from Lisbon to Seoul in September from $802

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

Return flights

01 Sep - 15 Sep Finnair
01 Sep - 08 Sep Finnair
16 Sep - 21 Oct Finnair
15 Sep - 28 Sep SWISS
30 Sep - 10 Oct Air France
16 Sep - 30 Sep Finnair
02 Sep - 09 Sep Finnair
10 Sep - 24 Sep Finnair
01 Sep - 14 Sep Finnair
02 Sep - 16 Sep Finnair
03 Sep - 10 Sep Finnair
06 Sep - 17 Sep Turkish Airlines

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

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