Cheapest one-way flights from Istanbul to Oslo in September from $72

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

One-Way flights

24 Sep Norwegian direct
17 Sep Norwegian direct
18 Sep Pegasus Airlines direct
11 Sep Pegasus Airlines direct
10 Sep Pegasus Airlines direct
04 Sep Aegean Airlines
27 Sep Pegasus Airlines direct
16 Sep Pegasus Airlines direct
03 Sep Norwegian direct
12 Sep Pegasus Airlines direct

Also check the deals for return flights from Istanbul to Oslo 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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