Cheapest return flights from Oslo to Istanbul in December from 171€

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

Return flights

08 Dec - 22 Dec Pegasus Airlines direct
05 Dec - 14 Dec Pegasus Airlines direct
26 Dec - 31 Dec Air Serbia
27 Dec - 31 Dec LOT
21 Dec - 07 Jan Lufthansa
26 Dec - 31 Dec Turkish Airlines direct
19 Dec - 02 Jan LOT
27 Dec - 31 Dec Turkish Airlines direct
19 Dec - 30 Dec Norwegian
19 Dec - 30 Dec Pegasus Airlines direct
19 Dec - 02 Jan Turkish Airlines direct

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

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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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