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 - 15 Sep Etihad Airways
11 Sep - 24 Sep Etihad Airways
25 Sep - 28 Sep Etihad Airways
25 Sep - 02 Oct Etihad Airways
29 Sep - 13 Oct Etihad Airways
09 Sep - 14 Sep Etihad Airways
16 Sep - 25 Sep Etihad Airways
24 Sep - 05 Oct Etihad Airways
24 Sep - 12 Oct Etihad Airways
29 Sep - 12 Oct Etihad Airways
29 Sep - 14 Oct Etihad Airways
25 Sep - 13 Oct Etihad Airways
24 Sep - 30 Sep Etihad Airways
01 Sep - 16 Sep Etihad Airways
10 Sep - 21 Sep Etihad Airways
10 Sep - 14 Sep Etihad Airways
03 Sep - 07 Sep Etihad Airways
22 Sep - 12 Oct Etihad Airways
29 Sep - 01 Oct Etihad Airways
28 Sep - 12 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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