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

Return flights

16 Oct - 19 Oct	Pegasus Airlines	direct
24 Oct - 29 Oct	AJet
15 Oct - 19 Oct	Pegasus Airlines	direct
19 Oct - 26 Oct	Pegasus Airlines	direct
22 Oct - 26 Oct	Pegasus Airlines	direct
17 Oct - 21 Oct	Pegasus Airlines
01 Oct - 20 Oct	Pegasus Airlines	direct
17 Oct - 21 Oct	Pegasus Airlines	direct
29 Oct - 02 Nov	Pegasus Airlines	direct
23 Oct - 29 Oct	Pegasus Airlines	direct
01 Oct - 11 Oct	Pegasus Airlines

Also check the deals for one-way flights from Istanbul to Oslo 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.

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Cheapest return flights from Istanbul to Oslo in October from $183

Return flights