AirHint found the following cheapest return flights from Constanta (CND) to Istanbul (IST) in November 2025 (see full year).

Return flights

16 Nov - 19 Nov	Turkish Airlines	direct
23 Nov - 28 Nov	Turkish Airlines	direct
28 Nov - 30 Nov	Turkish Airlines	direct
30 Nov - 03 Dec	Turkish Airlines	direct
29 Nov - 01 Dec	Wizz Air UK
26 Nov - 30 Nov	Turkish Airlines	direct
07 Nov - 09 Nov	Turkish Airlines	direct
19 Nov - 22 Nov	Turkish Airlines

Also check the deals for one-way flights from Constanta to Istanbul in November.

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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Cheapest return flights from Constanta to Istanbul in November from $140

Return flights