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

Return flights

13 Dec - 17 Dec	easyJet
04 Dec - 08 Dec	Delta
05 Dec - 12 Dec	Air France
10 Dec - 17 Dec	easyJet
17 Dec - 31 Dec	Delta
05 Dec - 08 Dec	Lufthansa
01 Dec - 08 Dec	Austrian Airlines
16 Dec - 30 Dec	United
07 Dec - 10 Dec	easyJet
22 Dec - 31 Dec	Austrian Airlines
30 Dec - 06 Jan	Austrian Airlines
24 Dec - 01 Jan	Austrian Airlines
22 Dec - 01 Jan	Austrian Airlines
19 Dec - 08 Jan	Air France
25 Dec - 04 Jan	Wizz Air
22 Dec - 04 Jan	Austrian Airlines
28 Dec - 05 Jan	Air France
23 Dec - 01 Jan	Austrian Airlines
26 Dec - 10 Jan	Lufthansa
23 Dec - 03 Jan	Wizz Air

Also check the deals for one-way flights from Basel 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 Basel to New York in December from $540

Return flights