Cheapest return flights from Seoul to Lisbon in September from $685

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

Return flights

08 Sep - 16 Sep Scandinavian Airlines
13 Sep - 25 Oct Etihad Airways
08 Sep - 15 Sep Scandinavian Airlines
04 Sep - 16 Sep Scandinavian Airlines
04 Sep - 09 Sep Scandinavian Airlines
01 Sep - 09 Sep Scandinavian Airlines
01 Sep - 16 Sep Scandinavian Airlines
11 Sep - 16 Sep Scandinavian Airlines
13 Sep - 28 Sep Etihad Airways
01 Sep - 08 Sep Scandinavian Airlines
15 Sep - 25 Oct Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
29 Sep - 08 Oct Finnair
27 Sep - 07 Oct Qatar Airways
26 Sep - 08 Oct Finnair
27 Sep - 04 Oct Etihad Airways
25 Sep - 04 Oct Etihad Airways
14 Sep - 04 Oct Finnair
28 Sep - 11 Oct Finnair
13 Sep - 23 Oct Finnair

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

Powered by

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.