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

Return flights

08 Dec - 10 Dec	Ryanair
01 Dec - 05 Dec	Ryanair
01 Dec - 04 Dec	Ryanair
08 Dec - 11 Dec	Ryanair
03 Dec - 06 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
08 Dec - 18 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
18 Dec - 05 Jan	Ryanair
28 Dec - 01 Jan	Wizz Air
23 Dec - 04 Jan	Ryanair
23 Dec - 02 Jan	easyJet
20 Dec - 03 Jan	Ryanair
19 Dec - 02 Jan	Air France
30 Dec - 03 Jan	Wizz Air
27 Dec - 02 Jan	Ryanair
27 Dec - 03 Jan	Ryanair
26 Dec - 01 Jan	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Oslo in December from 107€

Return flights