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

Return flights

04 Dec - 09 Dec	TAP
08 Dec - 14 Dec	Scandinavian Airlines
06 Dec - 14 Dec	Vueling Airlines
12 Dec - 25 Dec	Scandinavian Airlines
05 Dec - 11 Dec	Vueling Airlines
01 Dec - 09 Dec	Vueling Airlines
05 Dec - 09 Dec	Vueling Airlines
03 Dec - 13 Dec	TAP
08 Dec - 15 Dec	TAP
08 Dec - 05 Jan	TAP
15 Dec - 28 Dec	Scandinavian Airlines
31 Dec - 07 Jan	TAP
25 Dec - 06 Jan	TAP
31 Dec - 06 Jan	TAP
27 Dec - 06 Jan	TAP
28 Dec - 08 Jan	Wizz Air Malta
29 Dec - 06 Jan	TAP
23 Dec - 05 Jan	TAP
28 Dec - 07 Jan	TAP
28 Dec - 06 Jan	TAP

Also check the deals for one-way flights from Bilbao to Newark 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 Newark in December from 374€

Return flights