Istanbul → Sinop flights
Last observed price · Last checked: 11 Aug 2026 · Price may change
Short answer
Turkish Airlines flies Istanbul to Sinop non-stop. The lowest fare our own searches returned is €132, seen on 11 Aug 2026. The average across the fares we caught is €167. October 2026 is the cheapest month in our observations, at €132. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Round trip
Route facts
Frequently asked
Are there direct flights from Istanbul to Sinop?+−
Yes. We have seen non-stop flights on this route, flown by Turkish Airlines.
How much is a flight from Istanbul to Sinop?+−
The lowest fare we have observed is €132, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from Istanbul to Sinop?+−
These are the carriers we have seen on the route: Turkish Airlines.
When is the cheapest month to fly from Istanbul to Sinop?+−
In our observations October 2026 is the cheapest month so far, at €132.
We will email you when this route drops below €119.
Similar routes
More routes from Istanbul
More routes to Sinop
Last checked: 11 Aug 2026