AirHint found the following cheapest return flights from Frankfurt (FRA) to Oslo (OSL) in December 2026 (see full year).

Return flights

19 Dec - 01 Jan	KLM
09 Dec - 13 Dec	Air France
07 Dec - 15 Dec	Air France
19 Dec - 27 Dec	KLM
22 Dec - 30 Dec	KLM
22 Dec - 27 Dec	KLM
24 Dec - 02 Jan	KLM
23 Dec - 27 Dec	KLM
09 Dec - 13 Dec	Lufthansa	direct
20 Dec - 02 Jan	Lufthansa	direct
07 Dec - 15 Dec	Lufthansa	direct
19 Dec - 01 Jan	Lufthansa	direct
22 Dec - 30 Dec	Lufthansa	direct
19 Dec - 27 Dec	Lufthansa	direct
24 Dec - 02 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 $245

Return flights