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

One-Way flights

14 Oct	Wizz Air
11 Oct	Ryanair
06 Oct	Wizz Air
21 Oct	Pegasus Airlines	direct
18 Oct	Pegasus Airlines	direct
22 Oct	Pegasus Airlines	direct
14 Oct	Pegasus Airlines	direct
08 Oct	Pegasus Airlines	direct
10 Oct	Pegasus Airlines	direct
17 Oct	Pegasus Airlines	direct

Also check the deals for return flights from Oslo to Istanbul in October.

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest one-way flights from Oslo to Istanbul in October from 51€

One-Way flights