Cheapest return flights from Seoul to Lisbon in August from $846

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

Return flights

31 Aug - 07 Sep Finnair
19 Aug - 30 Aug Finnair
24 Aug - 31 Aug Finnair
26 Aug - 30 Aug Finnair
26 Aug - 02 Sep Finnair
12 Aug - 17 Aug Finnair
12 Aug - 09 Sep Lufthansa
24 Aug - 29 Aug Finnair
16 Aug - 02 Sep Finnair
23 Aug - 02 Sep Finnair
16 Aug - 23 Aug Finnair
15 Aug - 23 Aug Finnair
22 Aug - 27 Aug Finnair
13 Aug - 30 Aug Finnair
26 Aug - 22 Sep SWISS
02 Aug - 23 Aug Finnair
30 Aug - 06 Sep Finnair
12 Aug - 24 Sep Etihad Airways
26 Aug - 02 Sep Korean Air direct
16 Aug - 02 Sep Korean Air direct

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

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