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

Return flights

19 Aug - 09 Sep	easyJet
25 Aug - 04 Sep	easyJet
04 Aug - 25 Aug	Ryanair
09 Aug - 23 Aug	Ryanair
26 Aug - 07 Sep	Air France
01 Aug - 15 Aug	Ryanair
13 Aug - 20 Aug	Ryanair
19 Aug - 04 Sep	Ryanair
25 Aug - 08 Sep	KLM
12 Aug - 19 Aug	Ryanair
02 Aug - 17 Aug	Ryanair
06 Aug - 14 Aug	Ryanair
23 Aug - 30 Aug	easyJet
02 Aug - 18 Aug	Ryanair
11 Aug - 17 Aug	Ryanair
20 Aug - 09 Sep	British Airways
23 Aug - 07 Sep	Air France
31 Aug - 12 Sep	Air France
31 Aug - 04 Sep	Emirates

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

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 August from 1035€

Return flights