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

Return flights

11 Dec - 15 Dec	Finnair
09 Dec - 16 Dec	British Airways
28 Dec - 07 Jan	British Airways
10 Dec - 17 Dec	British Airways
21 Dec - 29 Dec	British Airways
18 Dec - 28 Dec	British Airways
27 Dec - 06 Jan	British Airways
24 Dec - 31 Dec	American Airlines
21 Dec - 31 Dec	British Airways
22 Dec - 30 Dec	British Airways
20 Dec - 30 Dec	British Airways
26 Dec - 04 Jan	Finnair
20 Dec - 27 Dec	British Airways
25 Dec - 01 Jan	Finnair
27 Dec - 02 Jan	Finnair

Also check the deals for one-way flights from Oslo 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 Oslo to New York in December from 385€

Return flights