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

Return flights

28 Aug - 30 Aug	KLM
21 Aug - 31 Aug	LOT
22 Aug - 22 Sep	Lufthansa
12 Aug - 14 Aug	Ryanair
08 Aug - 22 Aug	Finnair
03 Aug - 21 Aug	Finnair
01 Aug - 31 Aug	Finnair
22 Aug - 22 Sep	Lufthansa	direct
21 Aug - 31 Aug	Lufthansa	direct
28 Aug - 30 Aug	Lufthansa	direct
12 Aug - 19 Aug	Lufthansa	direct
08 Aug - 22 Aug	Lufthansa	direct

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

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 August from 205€

Return flights