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

Return flights

01 Dec - 09 Dec	Finnair
03 Dec - 08 Dec	SWISS
08 Dec - 22 Dec	Finnair
11 Dec - 25 Dec	Finnair
04 Dec - 11 Dec	Scandinavian Airlines
09 Dec - 16 Dec	Icelandair
24 Dec - 01 Jan	British Airways
30 Dec - 04 Jan	Icelandair
31 Dec - 05 Jan	TAP
25 Dec - 08 Jan	British Airways
22 Dec - 05 Jan	Icelandair
25 Dec - 04 Jan	Scandinavian Airlines
18 Dec - 04 Jan	Icelandair
19 Dec - 26 Dec	Icelandair
19 Dec - 03 Jan	Icelandair

Also check the deals for one-way flights from New York to Oslo 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 New York to Oslo in December from 307€

Return flights