Cheapest return flights from Seoul (ICN) to Porto (OPO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
07 Sep 21 Sep Air France
13 Sep 17 Sep China Eastern
21 Sep 21 Oct Vietnam Airlines
15 Sep 24 Sep Lufthansa
14 Sep 20 Sep Air France
01 Sep 07 Sep Lufthansa
14 Sep 23 Sep Air France
01 Sep 08 Sep Air France
07 Sep 16 Sep Air France
23 Sep 29 Sep Air India
15 Sep 20 Sep Air France
22 Sep 01 Oct Vietnam Airlines
21 Sep 01 Oct Lufthansa
28 Sep 14 Oct Air France
30 Sep 27 Oct Air France
26 Sep 07 Oct SWISS
26 Sep 05 Oct SWISS
28 Sep 07 Oct Air France
30 Sep 07 Oct Lufthansa
29 Sep 07 Oct Lufthansa
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deals for one-way flights from Seoul to Porto in September.

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Updated Aug 30, 2026.

About these fares

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