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

Return flights

29 Oct - 12 Nov	Ryanair
14 Oct - 21 Oct	Ryanair
15 Oct - 27 Nov	Ryanair
15 Oct - 05 Nov	TAP
14 Oct - 22 Oct	Ryanair
01 Oct - 15 Oct	Ryanair
21 Oct - 29 Oct	Ryanair
15 Oct - 30 Nov	Ryanair
30 Oct - 06 Nov	Ryanair
15 Oct - 29 Nov	Ryanair
22 Oct - 29 Oct	Vueling Airlines
15 Oct - 06 Nov	Vueling Airlines
13 Oct - 20 Oct	Vueling Airlines
10 Oct - 11 Nov	TAP
13 Oct - 18 Oct	Vueling Airlines
04 Oct - 18 Oct	Ryanair
08 Oct - 20 Oct	Ryanair
02 Oct - 14 Oct	Transavia France
15 Oct - 28 Nov	easyJet
31 Oct - 07 Nov	Ryanair

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 637€

Return flights