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

Return flights

19 Mar - 23 Mar	Ryanair
23 Mar - 26 Mar	Ryanair
16 Mar - 23 Mar	Ryanair
05 Mar - 09 Mar	Ryanair
12 Mar - 16 Mar	Ryanair
17 Mar - 20 Mar	Ryanair
06 Mar - 09 Mar	Ryanair
20 Mar - 23 Mar	Ryanair
13 Mar - 16 Mar	Ryanair
20 Mar - 29 Mar	Ryanair
31 Mar - 11 Apr	Ryanair
28 Mar - 03 Apr	Ryanair
24 Mar - 17 Apr	KLM
29 Mar - 06 Apr	KLM
28 Mar - 04 Apr	Ryanair
28 Mar - 05 Apr	KLM
24 Mar - 17 Apr	Lufthansa	direct
28 Mar - 04 Apr	Lufthansa	direct
28 Mar - 03 Apr	Lufthansa	direct
29 Mar - 06 Apr	Lufthansa	direct

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

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Cheapest return flights from Frankfurt to Oslo in March from 97€

Return flights