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

Return flights

15 Oct - 22 Oct	Ryanair
13 Oct - 26 Oct	Ryanair
16 Oct - 30 Oct	Ryanair
05 Oct - 20 Oct	SWISS
01 Oct - 07 Nov	Iberia
02 Oct - 14 Oct	Ryanair
01 Oct - 10 Oct	Iberia
04 Oct - 18 Oct	SWISS
13 Oct - 20 Oct	Emirates
23 Oct - 31 Oct	Iberia
18 Oct - 08 Nov	KLM
25 Oct - 31 Oct	Turkish Airlines
13 Oct - 03 Nov	Emirates
23 Oct - 08 Nov	KLM
24 Oct - 07 Nov	KLM
03 Oct - 01 Nov	SWISS
11 Oct - 01 Nov	SWISS

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

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 October from $988

Return flights