Cheapest return flights from Seoul to Lisbon in September from $711

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

09 Sep - 16 Sep Etihad Airways
10 Sep - 14 Sep Etihad Airways
17 Sep - 24 Sep Qatar Airways
10 Sep - 17 Sep Qatar Airways
03 Sep - 09 Sep Qatar Airways
23 Sep - 30 Sep Etihad Airways
24 Sep - 01 Oct Etihad Airways
03 Sep - 17 Sep Qatar Airways
03 Sep - 10 Sep Qatar Airways
24 Sep - 30 Sep Etihad Airways
15 Sep - 22 Sep Etihad Airways
22 Sep - 01 Oct Etihad Airways
26 Sep - 01 Oct Qatar Airways
26 Sep - 03 Oct Qatar Airways
21 Sep - 01 Oct Etihad Airways
24 Sep - 05 Oct Finnair
26 Sep - 06 Oct Qatar Airways
26 Sep - 05 Oct Finnair
21 Sep - 03 Oct Emirates
29 Sep - 01 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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