Cheapest return flights from Lisbon to Seoul in September from $825

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
30 Sep - 15 Oct Iberia
29 Sep - 13 Oct SWISS
30 Sep - 14 Oct Finnair
30 Sep - 11 Oct Finnair
15 Sep - 28 Sep SWISS
29 Sep - 16 Oct SWISS
30 Sep - 18 Oct Iberia
15 Sep - 27 Sep Finnair
30 Sep - 16 Oct Iberia
27 Sep - 14 Oct Finnair
24 Sep - 16 Oct Ryanair
15 Sep - 24 Sep Finnair
30 Sep - 17 Oct Iberia
23 Sep - 30 Sep Etihad Airways
04 Sep - 16 Sep Finnair
04 Sep - 12 Sep Finnair
16 Sep - 27 Sep Finnair
16 Sep - 25 Sep Turkish Airlines
09 Sep - 21 Sep Finnair

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

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