Cheapest one-way flights from Oslo to Istanbul in September from 80€

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

One-Way flights

20 Sep Pegasus Airlines direct
19 Sep Wizz Air
03 Sep Pegasus Airlines direct
07 Sep Norwegian direct
18 Sep Pegasus Airlines direct
01 Sep Pegasus Airlines direct
04 Sep Pegasus Airlines direct
13 Sep Pegasus Airlines direct
10 Sep Norwegian direct
17 Sep Norwegian direct

Also check the deals for return 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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