Cheapest return flights from Belgrade to Istanbul in December from $224

AirHint found the following cheapest return flights from Belgrade (BEG) to Istanbul (IST) in December 2026 (see full year).

Return flights

21 Dec - 27 Dec LOT
21 Dec - 27 Dec Air Serbia direct
02 Dec - 03 Dec Air Serbia direct
16 Dec - 17 Dec Air Serbia direct

Also check the deals for one-way flights from Belgrade 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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