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

Return flights

03 Dec - 08 Dec	Lufthansa
02 Dec - 09 Dec	Finnair
03 Dec - 07 Dec	SWISS
10 Dec - 17 Dec	Icelandair
12 Dec - 16 Dec	SWISS
01 Dec - 08 Dec	Brussels Airlines
08 Dec - 15 Dec	Scandinavian Airlines
06 Dec - 13 Dec	Scandinavian Airlines
28 Dec - 17 Jan	TAP
26 Dec - 17 Jan	Scandinavian Airlines
04 Dec - 11 Dec	Scandinavian Airlines
14 Dec - 19 Dec	Finnair
29 Dec - 05 Jan	TAP
26 Dec - 05 Jan	TAP
24 Dec - 05 Jan	Iberia
23 Dec - 01 Jan	Finnair
19 Dec - 10 Jan	HiSky Europe
22 Dec - 01 Jan	KLM
10 Dec - 03 Jan	Norse Atlantic Airways (UK)
26 Dec - 02 Jan	Scandinavian Airlines

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 332€

Return flights