Cheapest return flights from Constantine to Istanbul in December from $189

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

Return flights

05 Dec - 13 Dec Air Algerie
30 Dec - 06 Jan Air Algerie
04 Dec - 11 Dec Air Algerie
05 Dec - 10 Dec Air Algerie
29 Dec - 05 Jan Air Algerie
01 Dec - 12 Dec Air Algerie
16 Dec - 22 Dec Air Algerie
15 Dec - 21 Dec Air Algerie
01 Dec - 05 Dec Air Algerie
20 Dec - 29 Dec Air Algerie
01 Dec - 27 Dec Air Algerie
28 Dec - 03 Jan Air Algerie
19 Dec - 28 Dec Air Algerie
22 Dec - 03 Jan Air Algerie
18 Dec - 02 Jan Air Algerie
30 Dec - 08 Jan Air Algerie
24 Dec - 05 Jan Air Algerie
04 Dec - 03 Jan Air Algerie
27 Dec - 07 Jan Transavia France
24 Dec - 05 Jan Turkish Airlines direct

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

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