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

Return flights

09 Sep - 16 Sep	SunExpress
08 Sep - 15 Sep	Pegasus Airlines
10 Sep - 17 Sep	Pegasus Airlines
17 Sep - 24 Sep	AJet
27 Sep - 30 Sep	Pegasus Airlines
06 Sep - 07 Sep	Pegasus Airlines
10 Sep - 13 Sep	Pegasus Airlines
11 Sep - 18 Sep	Pegasus Airlines
20 Sep - 29 Sep	Pegasus Airlines
23 Sep - 26 Sep	Pegasus Airlines
18 Sep - 02 Oct	SunExpress	direct
25 Sep - 09 Oct	SunExpress	direct
25 Sep - 02 Oct	SunExpress	direct

Also check the deals for one-way flights from Izmir 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 return flights from Izmir to Oslo in September from $217

Return flights