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

Return flights

09 Sep - 17 Sep	Vueling Airlines
23 Sep - 04 Oct	easyJet
11 Sep - 17 Sep	Ryanair
14 Sep - 21 Sep	Ryanair
10 Sep - 24 Sep	easyJet
16 Sep - 28 Sep	easyJet
04 Sep - 17 Sep	Ryanair
12 Sep - 24 Sep	Ryanair
23 Sep - 07 Oct	easyJet
01 Sep - 12 Sep	Ryanair
02 Sep - 16 Sep	Vueling Airlines
13 Sep - 27 Sep	Ryanair
22 Sep - 06 Oct	British Airways
26 Sep - 30 Oct	Ryanair
25 Sep - 30 Oct	easyJet
26 Sep - 27 Oct	SWISS
24 Sep - 15 Oct	KLM
28 Sep - 12 Oct	SWISS
27 Sep - 03 Oct	Iberia
26 Sep - 10 Oct	Iberia

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 740€

Return flights