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

Return flights

06 Dec - 08 Dec	easyJet
02 Dec - 09 Dec	British Airways
12 Dec - 15 Dec	easyJet
01 Dec - 07 Dec	Delta
01 Dec - 08 Dec	Delta
09 Dec - 16 Dec	Delta
18 Dec - 07 Jan	Delta
11 Dec - 16 Dec	Delta
12 Dec - 14 Dec	Delta
07 Dec - 14 Dec	Delta
06 Dec - 13 Dec	British Airways
24 Dec - 07 Jan	British Airways
23 Dec - 07 Jan	Austrian Airlines
19 Dec - 05 Jan	Delta
24 Dec - 05 Jan	Delta
29 Dec - 11 Jan	Delta
29 Dec - 06 Jan	Delta
25 Dec - 01 Jan	Delta
26 Dec - 01 Jan	Delta
24 Dec - 04 Jan	easyJet

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 420€

Return flights