Cheapest return flights from Lisbon to Seoul in September from $753

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

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

Return flights

09 Sep - 16 Sep Finnair
07 Sep - 14 Sep Finnair
07 Sep - 18 Sep Finnair
03 Sep - 10 Sep Finnair
14 Sep - 21 Sep Finnair
01 Sep - 17 Sep Finnair
06 Sep - 18 Sep Finnair
28 Sep - 10 Oct Finnair
03 Sep - 12 Sep Finnair
05 Sep - 12 Sep Air France
14 Sep - 26 Sep Finnair
26 Sep - 01 Oct Finnair

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