Cheapest return flights from Seoul to Porto in August from $841

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

Return flights

24 Aug - 31 Aug LOT
31 Aug - 07 Sep Lufthansa
19 Aug - 24 Aug LOT
27 Aug - 02 Sep Lufthansa
10 Aug - 19 Aug Lufthansa
21 Aug - 10 Sep Lufthansa
13 Aug - 20 Aug Lufthansa
20 Aug - 27 Aug Lufthansa
22 Aug - 26 Aug Lufthansa
11 Aug - 18 Aug Lufthansa
03 Aug - 14 Aug LOT
31 Aug - 11 Sep Lufthansa
18 Aug - 05 Sep Etihad Airways
16 Aug - 23 Aug Lufthansa
06 Aug - 16 Aug Lufthansa
30 Aug - 10 Sep Lufthansa
30 Aug - 05 Sep Etihad Airways
29 Aug - 05 Sep KLM

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

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