Cheapest return LIS–ICN flights, September

AirHint found the following cheapest return flights from Lisbon (LIS) to Seoul (ICN) in September 2026 (see full year).

Return flights

01 Sep - 14 Sep TAP
01 Sep - 15 Sep TAP
06 Sep - 15 Sep TAP
01 Sep - 06 Sep Etihad Airways
06 Sep - 28 Sep TAP
04 Sep - 17 Sep Iberia
04 Sep - 13 Sep Iberia
02 Sep - 16 Sep Vueling Airlines
01 Sep - 08 Sep TAP
04 Sep - 09 Sep Iberia
27 Sep - 19 Oct easyJet Europe
27 Sep - 18 Oct easyJet Europe
29 Sep - 11 Oct Etihad Airways
29 Sep - 08 Oct Qatar Airways
30 Sep - 12 Oct Qatar Airways
29 Sep - 09 Oct Ryanair
30 Sep - 14 Oct Ryanair
27 Sep - 07 Oct Vueling Airlines
29 Sep - 10 Oct Etihad Airways
30 Sep - 11 Oct Qatar Airways

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