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

Return flights

16 Mar - 23 Mar	Ryanair
24 Mar - 31 Mar	Ryanair
02 Mar - 06 Mar	Ryanair
21 Mar - 24 Mar	Ryanair
03 Mar - 04 Mar	Ryanair
23 Mar - 30 Mar	Ryanair
17 Mar - 25 Mar	Ryanair
25 Mar - 30 Mar	Ryanair
12 Mar - 19 Mar	Ryanair
13 Mar - 20 Mar	Ryanair
28 Mar - 09 Apr	Ryanair
25 Mar - 01 Apr	Ryanair
20 Mar - 01 Apr	Ryanair
28 Mar - 05 Apr	Ryanair
29 Mar - 03 Apr	Ryanair
27 Mar - 04 Apr	Ryanair
28 Mar - 03 Apr	Ryanair
23 Mar - 04 Apr	Ryanair
27 Mar - 05 Apr	Ryanair
28 Mar - 04 Apr	Ryanair

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.

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Cheapest return flights from Frankfurt to Oslo in March from 82€

Return flights