Cheapest return flights from Seoul to Porto in May from 629€

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

Return flights

21 May - 02 Jun Sichuan Airlines
19 May - 26 May Scat Airlines
20 May - 27 May Lufthansa
11 May - 27 May Lufthansa
19 May - 27 May Lufthansa
20 May - 31 May Lufthansa
11 May - 18 May Lufthansa
19 May - 11 Jun Lufthansa
19 May - 29 May Lufthansa
12 May - 20 May Lufthansa
12 May - 21 May Lufthansa
12 May - 19 May Lufthansa
30 May - 08 Jun LOT
28 May - 11 Jun KLM
25 May - 02 Jun LOT
23 May - 02 Jun Etihad Airways
19 May - 13 Jun Etihad Airways
29 May - 06 Jun Etihad Airways
30 May - 07 Jun Etihad Airways
28 May - 04 Jun Etihad Airways

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

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