AirHint found the following cheapest one-way flights from Berlin (BER) to Oslo (OSL) in September 2025 (see full year).

One-Way flights

24 Sep	Norwegian	direct
23 Sep	Norwegian	direct
30 Sep	Wizz Air
25 Sep	Norwegian	direct
16 Sep	Norwegian	direct
17 Sep	Norwegian	direct
19 Sep	Norwegian	direct
18 Sep	Norwegian	direct
26 Sep	Norwegian	direct
12 Sep	Norwegian	direct

Also check the deals for return flights from Berlin to Oslo in September.

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 one-way flights from Berlin to Oslo in September from 55€

One-Way flights