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

Return flights

05 Dec - 08 Dec	Air Europa
10 Dec - 22 Dec	Air Europa
01 Dec - 07 Dec	Ryanair
04 Dec - 14 Dec	Iberia
14 Dec - 21 Dec	Air Europa
30 Dec - 21 Jan	Qatar Airways
30 Dec - 14 Jan	Qatar Airways
17 Dec - 05 Jan	Ryanair
01 Dec - 13 Dec	KLM
20 Dec - 03 Jan	Ryanair
20 Dec - 04 Jan	Ryanair
23 Dec - 31 Dec	Vueling Airlines
26 Dec - 03 Jan	Iberia
05 Dec - 21 Dec	KLM
26 Dec - 31 Dec	KLM
28 Dec - 09 Jan	KLM
21 Dec - 06 Jan	KLM
26 Dec - 04 Jan	Iberia
29 Dec - 13 Jan	Emirates

Also check the deals for one-way flights from Porto to Tokyo 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 Porto to Tokyo in December from 625€

Return flights