Cheapest return flights from Seoul to Lisbon in September from $668

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

Return flights

13 Sep - 21 Sep Etihad Airways
01 Sep - 09 Sep Scandinavian Airlines
08 Sep - 16 Sep Scandinavian Airlines
13 Sep - 25 Oct Etihad Airways
08 Sep - 15 Sep Scandinavian Airlines
01 Sep - 08 Sep Scandinavian Airlines
13 Sep - 23 Sep Etihad Airways
15 Sep - 21 Sep Etihad Airways
03 Sep - 09 Sep Scandinavian Airlines
11 Sep - 23 Sep Scandinavian Airlines
15 Sep - 25 Oct Scandinavian Airlines
01 Sep - 07 Sep Scandinavian Airlines
30 Sep - 06 Oct Qatar Airways
30 Sep - 07 Oct Qatar Airways
27 Sep - 07 Oct Qatar Airways
26 Sep - 06 Oct Finnair
26 Sep - 08 Oct Finnair
30 Sep - 12 Oct Qatar Airways
18 Sep - 18 Oct Etihad Airways
27 Sep - 04 Oct Etihad Airways

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

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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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