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

Return flights

03 Dec - 08 Dec	TAP
02 Dec - 16 Dec	TAP
03 Dec - 08 Dec	Scandinavian Airlines	direct
12 Dec - 15 Dec	TAP
12 Dec - 15 Dec	Scandinavian Airlines	direct
03 Dec - 31 Dec	Icelandair
05 Dec - 19 Dec	TAP
24 Dec - 01 Jan	British Airways
03 Dec - 31 Dec	Scandinavian Airlines	direct
23 Dec - 04 Jan	TAP
25 Dec - 15 Jan	SWISS
05 Dec - 19 Dec	Scandinavian Airlines	direct
26 Dec - 04 Jan	TAP
25 Dec - 03 Jan	TAP
20 Dec - 31 Dec	Icelandair
27 Dec - 03 Jan	TAP
20 Dec - 03 Jan	Austrian Airlines

Also check the deals for one-way flights from Newark 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 Newark to Oslo in December from 347€

Return flights