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

Return flights

24 Sep - 09 Oct	Vueling Airlines
25 Sep - 09 Oct	Ryanair
23 Sep - 07 Oct	Air Europa
30 Sep - 13 Oct	easyJet
25 Sep - 07 Oct	Ryanair
27 Sep - 11 Oct	Ryanair
29 Sep - 13 Oct	easyJet
26 Sep - 09 Oct	Ryanair
21 Sep - 07 Oct	Ryanair
28 Sep - 13 Oct	Ryanair
17 Sep - 29 Sep	Ryanair
17 Sep - 25 Sep	KLM
26 Sep - 29 Sep	Ryanair
19 Sep - 26 Sep	easyJet
17 Sep - 30 Sep	easyJet
21 Sep - 28 Sep	Ryanair
17 Sep - 24 Sep	KLM
25 Sep - 30 Sep	Ryanair
20 Sep - 27 Sep	easyJet

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

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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Cheapest return flights from Porto to Tokyo in September from $924

Return flights