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

Return flights

06 Dec - 14 Dec	TAP
08 Dec - 15 Dec	TAP
25 Dec - 15 Jan	Delta
24 Dec - 06 Jan	TAP
05 Dec - 08 Dec	Delta
09 Dec - 14 Dec	Air Europa
12 Dec - 15 Dec	Air Europa
15 Dec - 12 Jan	SWISS
04 Dec - 06 Dec	Air Europa
23 Dec - 06 Jan	TAP
11 Dec - 14 Dec	Air Europa
15 Dec - 25 Dec	KLM
24 Dec - 31 Dec	Vueling Airlines
04 Dec - 10 Dec	Air Europa
29 Dec - 12 Jan	Austrian Airlines
24 Dec - 01 Jan	TAP
15 Dec - 03 Jan	Air Europa
23 Dec - 03 Jan	Vueling Airlines
25 Dec - 05 Jan	Vueling Airlines
22 Dec - 04 Jan	TAP

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 $490

Return flights