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

Return flights

10 Dec - 15 Dec	TAP
11 Dec - 15 Dec	TAP
03 Dec - 11 Dec	TAP
03 Dec - 14 Dec	TAP
04 Dec - 09 Dec	TAP
03 Dec - 08 Dec	TAP
08 Dec - 14 Dec	TAP
08 Dec - 16 Dec	TAP
12 Dec - 15 Dec	Vueling Airlines
03 Dec - 10 Dec	Iberia
22 Dec - 09 Jan	Vueling Airlines
23 Dec - 07 Jan	Vueling Airlines
22 Dec - 06 Jan	Vueling Airlines
31 Dec - 06 Jan	Vueling Airlines
20 Dec - 19 Jan	TAP
29 Dec - 06 Jan	Iberia
30 Dec - 06 Jan	Vueling Airlines
25 Dec - 05 Jan	Vueling Airlines
19 Dec - 05 Jan	Aer Lingus
24 Dec - 04 Jan	Vueling Airlines

Also check the deals for one-way flights from Bilbao to New York 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 New York in December from $420

Return flights