Cheapest return flights from Oslo to Istanbul in September from $157

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

Return flights

15 Sep - 29 Sep Ryanair
12 Sep - 18 Sep Pegasus Airlines direct
23 Sep - 27 Sep Pegasus Airlines direct
11 Sep - 18 Sep Pegasus Airlines direct
12 Sep - 19 Sep Pegasus Airlines direct
11 Sep - 15 Sep Pegasus Airlines direct
10 Sep - 17 Sep Pegasus Airlines direct
12 Sep - 15 Sep Pegasus Airlines direct
10 Sep - 24 Sep Pegasus Airlines direct
11 Sep - 17 Sep Pegasus Airlines direct
24 Sep - 01 Oct Ryanair
25 Sep - 01 Oct Wizz Air
24 Sep - 01 Oct Pegasus Airlines direct
30 Sep - 01 Oct Norwegian
21 Sep - 05 Oct Pegasus Airlines
26 Sep - 01 Oct Wizz Air
29 Sep - 05 Oct Norwegian
30 Sep - 02 Oct Norwegian
22 Sep - 06 Oct Ryanair
27 Sep - 05 Oct Ethiopian Airlines

Also check the deals for one-way flights from Oslo to Istanbul in September.

Skyscanner

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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