Cheapest one-way flights from Oslo to Istanbul in September from 62€

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

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

One-Way flights

17 Sep Norwegian direct
21 Sep Norwegian direct
16 Sep Pegasus Airlines 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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