AirHint found the following cheapest return flights from Oslo (OSL) to Cape Town (CPT) in September 2025 (see full year).

Return flights

10 Sep - 21 Sep	Ethiopian Airlines
17 Sep - 21 Sep	Ethiopian Airlines
13 Sep - 21 Sep	Ethiopian Airlines
12 Sep - 21 Sep	Ethiopian Airlines
12 Sep - 18 Sep	KLM
24 Sep - 22 Oct	SWISS
19 Sep - 23 Sep	Qatar Airways
09 Sep - 23 Sep	Emirates

Also check the deals for one-way flights from Oslo to Cape Town 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 return flights from Oslo to Cape Town in September from 382€

Return flights