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

Return flights

01 Dec - 16 Dec	TAP
04 Dec - 11 Dec	Iberia
06 Dec - 13 Dec	Iberia
11 Dec - 14 Dec	Iberia
05 Dec - 08 Dec	Ryanair
05 Dec - 09 Dec	Vueling Airlines
29 Dec - 05 Jan	Ryanair
23 Dec - 31 Dec	Ryanair
26 Dec - 30 Dec	Ryanair
27 Dec - 02 Jan	Ryanair
22 Dec - 31 Dec	Air Europa
23 Dec - 03 Jan	Ryanair
21 Dec - 02 Jan	Ryanair
23 Dec - 27 Dec	Ryanair
14 Dec - 03 Jan	Ryanair

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 $749

Return flights