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

Return flights

25 Dec - 15 Jan	Delta
04 Dec - 10 Dec	KLM
24 Dec - 06 Jan	TAP
04 Dec - 08 Dec	Air France
28 Dec - 05 Jan	TAP
07 Dec - 10 Dec	Air Europa
24 Dec - 31 Dec	Vueling Airlines
10 Dec - 14 Dec	Air Europa
22 Dec - 06 Jan	TAP
02 Dec - 09 Dec	Vueling Airlines
05 Dec - 08 Dec	KLM
11 Dec - 14 Dec	Air Europa
04 Dec - 09 Dec	KLM
17 Dec - 10 Jan	Vueling Airlines
04 Dec - 11 Dec	Air France
29 Dec - 12 Jan	Lufthansa
24 Dec - 01 Jan	Vueling Airlines
29 Dec - 19 Jan	Vueling Airlines
24 Dec - 04 Jan	Vueling Airlines
23 Dec - 06 Jan	KLM

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 $533

Return flights