Cheapest return OPO–ICN flights, October

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

Return flights

01 Oct - 10 Oct Etihad Airways
04 Oct - 14 Oct Etihad Airways
06 Oct - 16 Oct Ryanair
18 Oct - 01 Nov easyJet
26 Oct - 04 Nov Qatar Airways
29 Oct - 14 Nov Vueling Airlines
05 Oct - 17 Oct Qatar Airways
06 Oct - 17 Oct Qatar Airways
12 Oct - 19 Oct Vueling Airlines
03 Oct - 17 Oct Etihad Airways
13 Oct - 21 Oct Ryanair
03 Oct - 20 Oct TAP
02 Oct - 18 Oct Ryanair
11 Oct - 22 Nov Aegean Airlines

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

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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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