Cheapest return flights from Seoul to Lisbon in September from $682

Best time to book flights for Seoul (ICN) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Lisbon (LIS) in September 2025 (see full year).

Return flights

02 Sep - 16 Sep Etihad Airways
11 Sep - 17 Sep Etihad Airways
08 Sep - 14 Sep KLM
11 Sep - 20 Sep Etihad Airways
09 Sep - 18 Sep Etihad Airways
09 Sep - 16 Sep Etihad Airways
03 Sep - 07 Sep Etihad Airways
10 Sep - 14 Sep Etihad Airways
23 Sep - 28 Sep Etihad Airways
03 Sep - 02 Oct Etihad Airways
03 Sep - 05 Oct Etihad Airways
03 Sep - 24 Sep Etihad Airways
24 Sep - 05 Oct Etihad Airways
23 Sep - 23 Oct Etihad Airways
23 Sep - 01 Oct Etihad Airways
24 Sep - 01 Oct Etihad Airways
01 Sep - 03 Oct Finnair
25 Sep - 01 Oct Etihad Airways
17 Sep - 19 Oct LOT
24 Sep - 24 Oct LOT

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

Skyscanner

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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