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

Return flights

01 Dec - 10 Dec	Iberia
01 Dec - 13 Dec	Iberia
07 Dec - 17 Dec	Vueling Airlines
02 Dec - 10 Dec	Iberia
06 Dec - 16 Dec	Air Europa
06 Dec - 15 Dec	Air Europa
04 Dec - 15 Dec	Iberia
06 Dec - 08 Dec	Air Europa
06 Dec - 18 Dec	Air Europa
01 Dec - 21 Dec	Iberia
26 Dec - 13 Jan	Air Europa
12 Dec - 08 Jan	Vueling Airlines
26 Dec - 10 Jan	Air Europa
24 Dec - 07 Jan	Iberia
28 Dec - 06 Jan	Iberia
24 Dec - 05 Jan	Iberia
23 Dec - 01 Jan	Iberia
19 Dec - 05 Jan	Pegasus Airlines
30 Dec - 04 Jan	Iberia
26 Dec - 04 Jan	Air Europa

Also check the deals for one-way flights from Bilbao 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 Bilbao to Tokyo in December from $680

Return flights