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

Return flights

12 Dec - 19 Dec	Turkish Airlines
05 Dec - 12 Dec	KLM
20 Dec - 30 Dec	KLM
26 Dec - 30 Dec	KLM
26 Dec - 31 Dec	KLM
27 Dec - 31 Dec	KLM
26 Dec - 03 Jan	KLM
27 Dec - 03 Jan	KLM
27 Dec - 02 Jan	Etihad Airways

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

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 December from $1199

Return flights