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

Return flights

03 Dec - 09 Dec	TAP
04 Dec - 09 Dec	TAP
06 Dec - 10 Dec	Vueling Airlines
04 Dec - 13 Dec	TAP
08 Dec - 15 Dec	TAP
03 Dec - 10 Dec	TAP
08 Dec - 14 Dec	TAP
03 Dec - 08 Dec	TAP
07 Dec - 11 Dec	TAP
05 Dec - 11 Dec	Vueling Airlines
29 Dec - 08 Jan	TAP
31 Dec - 06 Jan	TAP
29 Dec - 05 Jan	TAP
27 Dec - 05 Jan	TAP
28 Dec - 05 Jan	TAP
26 Dec - 01 Jan	Vueling Airlines
30 Dec - 04 Jan	TAP
26 Dec - 04 Jan	Turkish Airlines
27 Dec - 04 Jan	United
19 Dec - 04 Jan	Vueling 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 346€

Return flights