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

Return flights

26 Jan - 31 Jan	Ryanair
19 Jan - 24 Jan	Ryanair
11 Jan - 13 Jan	Ryanair
26 Jan - 01 Feb	Ryanair
11 Jan - 19 Jan	Ryanair
21 Jan - 23 Jan	Ryanair
09 Jan - 12 Jan	Ryanair
23 Jan - 27 Jan	Ryanair
10 Jan - 12 Jan	Ryanair
23 Jan - 26 Jan	Ryanair
23 Jan - 25 Jan	Ryanair
30 Jan - 02 Feb	Ryanair
30 Jan - 06 Feb	Ryanair
30 Jan - 01 Feb	Ryanair
29 Jan - 02 Feb	Ryanair
26 Jan - 06 Feb	easyJet
26 Jan - 02 Feb	KLM
29 Jan - 01 Feb	Air France
26 Jan - 06 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 84€

Return flights