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

Return flights

13 Jul - 26 Jul	Ethiopian Airlines
02 Jul - 05 Jul	KLM
10 Jul - 15 Jul	KLM
16 Jul - 23 Jul	KLM
09 Jul - 13 Jul	KLM
01 Jul - 06 Jul	SWISS
08 Jul - 11 Jul	Qatar Airways
01 Jul - 07 Jul	KLM
29 Jul - 05 Aug	KLM
25 Jul - 01 Aug	KLM
28 Jul - 13 Aug	KLM
22 Jul - 24 Jul	Emirates

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

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 Tokyo to Porto in July from $1168

Return flights