Flights Constanta — Istanbul is a popular route. The straight-line distance is 352 km. Flight time 55m. Time difference +1h.
The minimum price for the next 3 months — from $77 (07.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $80, ranging from $77 to $83. Book 1–3 months in advance to get the best deals.