Cheapest return flights from Istanbul to Oslo in September from 190€

AirHint found the following cheapest return flights from Istanbul (IST) to Oslo (OSL) in September 2026 (see full year).

Return flights

02 Sep - 15 Sep Pegasus Airlines
22 Sep - 04 Oct Pegasus Airlines
24 Sep - 02 Oct Air France
02 Sep - 15 Sep Turkish Airlines direct
22 Sep - 04 Oct Turkish Airlines direct
24 Sep - 02 Oct Turkish Airlines direct

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

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