Cheapest return flights from Porto to Osaka in September from $880

Best time to book flights for Porto (OPO) to Osaka (KIX) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Osaka (KIX) in September 2025 (see full year).

Return flights

18 Sep - 10 Oct Ryanair
18 Sep - 06 Oct Ryanair
19 Sep - 23 Sep Ryanair
07 Sep - 14 Sep Ryanair
07 Sep - 21 Sep Ryanair
01 Sep - 08 Sep easyJet
08 Sep - 11 Sep Austrian Airlines
29 Sep - 04 Oct easyJet
27 Sep - 11 Oct Turkish Airlines

Also check the deals for one-way flights from Porto to Osaka in September.

Skyscanner

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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