Cheapest Istanbul to Sinop round trip flight dates
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Sinop suits a short break for people who enjoy lingering by the water and exploring at a slower pace. Combine a central walk with an outing to the surrounding bays.
🚶 Stroll the city waterfront with pauses for the view.
🍽️ Consider a stop for Sinop mantı.
🌿 Give Hamsilos or Akliman separate time outside the centre.
💡 If you want to add camping or water activities, check current conditions separately rather than planning from attractive photographs alone.
About Istanbul → Sinop round trip flights
Use this page to find the cheapest flight dates for round trip flights from Istanbul to Sinop.
Price summary
The price calendar covers 6 months for round trip flights from Istanbul to Sinop.
Lowest months: December 2026 (TRY 3,398), January 2027 (TRY 3,398) and February 2027 (TRY 3,398).
Monthly lowest prices: November 2026: TRY 4,062, December 2026: TRY 3,398, January 2027: TRY 3,398, February 2027: TRY 3,398, March 2027: TRY 5,963, April 2027: TRY 6,663.
In November 2026, the lowest date starts from TRY 4,062.
Daily prices are listed for 23 dates.