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

Return flights

17 Sep - 01 Oct	Ryanair
23 Sep - 01 Oct	Air Europa
24 Sep - 01 Oct	Ryanair
10 Sep - 24 Sep	Ryanair
27 Sep - 16 Oct	Vueling Airlines
17 Sep - 24 Sep	Ryanair
17 Sep - 02 Oct	Ryanair
17 Sep - 22 Sep	Ryanair
08 Sep - 16 Sep	Ryanair
04 Sep - 24 Sep	Ryanair
18 Sep - 24 Sep	TAP
04 Sep - 17 Sep	Ryanair
26 Sep - 01 Oct	Ryanair
11 Sep - 26 Sep	Vueling Airlines
12 Sep - 18 Sep	Ryanair
18 Sep - 25 Sep	Ryanair
27 Sep - 14 Oct	Vueling Airlines
27 Sep - 18 Oct	Vueling Airlines
30 Sep - 14 Oct	Ryanair
24 Sep - 04 Oct	Ryanair

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 670€

Return flights