Cheapest return flights from Nis to Istanbul in December from 123€

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

Return flights

20 Dec - 23 Dec Air Serbia direct
09 Dec - 13 Dec Air Serbia direct
23 Dec - 27 Dec Air Serbia direct
27 Dec - 30 Dec Air Serbia direct
30 Dec - 03 Jan Air Serbia direct
09 Dec - 03 Jan Air Serbia direct
30 Dec - 02 Jan Air Serbia
17 Dec - 20 Dec Air Serbia
27 Dec - 02 Jan Turkish Airlines
30 Dec - 05 Jan Air Serbia
18 Dec - 21 Dec Ryanair

Also check the deals for one-way flights from Nis 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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