Cheapest return flights from Oslo to Istanbul in October from $158

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

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

Return flights

27 Oct - 03 Nov Pegasus Airlines direct
05 Oct - 08 Oct Norwegian direct
19 Oct - 23 Oct Pegasus Airlines direct
01 Oct - 08 Oct Norwegian direct
23 Oct - 29 Oct Pegasus Airlines direct
08 Oct - 12 Oct Norwegian direct
10 Oct - 12 Oct Pegasus Airlines
05 Oct - 12 Oct Norwegian direct
01 Oct - 12 Oct Norwegian direct
10 Oct - 12 Oct Pegasus Airlines direct

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

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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