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

Return flights

29 Aug - 15 Sep	Ryanair
30 Aug - 16 Sep	Vueling Airlines
26 Aug - 07 Sep	Ryanair
29 Aug - 12 Sep	easyJet
28 Aug - 11 Sep	Ryanair
31 Aug - 11 Sep	Vueling Airlines
29 Aug - 14 Sep	SWISS
28 Aug - 13 Sep	Ryanair
28 Aug - 04 Sep	Ryanair
30 Aug - 14 Sep	Ryanair
20 Aug - 27 Aug	Ryanair
26 Aug - 31 Aug	Air Europa
19 Aug - 28 Aug	Vueling Airlines
09 Aug - 23 Aug	Air Europa
18 Aug - 31 Aug	TAP
22 Aug - 24 Aug	Ryanair
04 Aug - 12 Aug	easyJet
12 Aug - 26 Aug	Ryanair
04 Aug - 16 Aug	Ryanair
15 Aug - 31 Aug	Air Europa

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 803€

Return flights