Cheapest one-way flights from Istanbul to Oslo in September from $59

Best time to book flights for Istanbul (IST) to Oslo (OSL) flights at AirHint

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

One-Way flights

17 Sep Norwegian direct
18 Sep Pegasus Airlines direct
12 Sep Pegasus Airlines direct
09 Sep Pegasus Airlines direct
05 Sep Aegean Airlines
08 Sep Pegasus Airlines direct
01 Sep Pegasus Airlines direct
04 Sep Aegean Airlines
04 Sep Pegasus Airlines direct
05 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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