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

Return flights

04 May - 11 May	Ryanair
05 May - 15 May	KLM
09 May - 19 May	Air France
10 May - 20 May	KLM
23 May - 07 Jun	Air France
03 May - 17 May	KLM
10 May - 19 May	KLM
14 May - 24 May	Finnair
04 May - 11 May	Lufthansa	direct
09 May - 19 May	Lufthansa	direct
10 May - 19 May	Lufthansa	direct
23 May - 07 Jun	Lufthansa	direct

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

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 May from 196€

Return flights