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

Return flights

09 Jan - 11 Jan	Ryanair
01 Jan - 07 Jan	Ryanair
26 Jan - 28 Jan	Ryanair
05 Jan - 09 Jan	Ryanair
08 Jan - 15 Jan	KLM
21 Jan - 31 Jan	Air France
30 Jan - 01 Feb	Air France
31 Jan - 02 Feb	KLM
31 Jan - 01 Feb	KLM
30 Jan - 06 Feb	Air France
02 Jan - 11 Jan	KLM
29 Jan - 05 Feb	Ryanair
07 Jan - 09 Jan	Finnair
02 Jan - 05 Jan	Ryanair
02 Jan - 04 Jan	KLM
30 Jan - 01 Feb	Lufthansa	direct
31 Jan - 02 Feb	Lufthansa	direct
31 Jan - 01 Feb	Lufthansa	direct
29 Jan - 05 Feb	Lufthansa	direct
30 Jan - 06 Feb	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Oslo in January.

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 January from 157€

Return flights