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

Return flights

06 Dec - 11 Dec	TAP
05 Dec - 11 Dec	TAP
04 Dec - 09 Dec	Delta
07 Dec - 12 Dec	TAP
03 Dec - 10 Dec	Delta
06 Dec - 08 Dec	Delta
12 Dec - 14 Dec	Scandinavian Airlines
10 Dec - 15 Dec	TAP
09 Dec - 15 Dec	TAP
03 Dec - 07 Dec	Delta
17 Dec - 06 Jan	TAP
03 Dec - 06 Jan	Vueling Airlines
22 Dec - 07 Jan	Iberia
23 Dec - 06 Jan	Iberia
25 Dec - 01 Jan	Turkish Airlines
27 Dec - 06 Jan	Turkish Airlines
29 Dec - 09 Jan	Turkish Airlines
28 Dec - 07 Jan	Turkish Airlines
19 Dec - 06 Jan	Vueling Airlines
14 Dec - 04 Jan	Turkish Airlines

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 482€

Return flights