Cheapest return flights from Seoul to Lisbon in September from $691

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

11 Sep - 18 Sep Etihad Airways
11 Sep - 23 Sep Etihad Airways
16 Sep - 25 Sep Etihad Airways
16 Sep - 21 Oct Etihad Airways
04 Sep - 18 Sep Etihad Airways
03 Sep - 28 Sep Etihad Airways
04 Sep - 14 Sep Etihad Airways
03 Sep - 09 Sep Etihad Airways
02 Sep - 09 Sep Etihad Airways
16 Sep - 22 Sep KLM
03 Sep - 13 Sep Finnair
03 Sep - 05 Oct Etihad Airways
02 Sep - 01 Oct Etihad Airways
03 Sep - 03 Oct Finnair
24 Sep - 01 Oct Etihad Airways
15 Sep - 01 Oct Etihad Airways
02 Sep - 03 Oct Etihad Airways
09 Sep - 03 Oct Etihad Airways
05 Sep - 02 Oct Qatar Airways
25 Sep - 01 Oct Etihad Airways

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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