The Ankara to Istanbul route currently shows fares from €26 on Clickavia. Istanbul is a directly reachable destination in Turkey from Ankara. Mid-week departures and shoulder-season months tend to keep prices lower on this route. Compare months in the calendar below to identify the cheapest window before locking in your booking.
Prices to Istanbul are typically lowest in the shoulder months shown in the calendar above. Searching for mid-week flights and avoiding school holiday windows can meaningfully cut costs on this route. If you're open on destination, use the interactive map from Ankara to compare Istanbul against nearby alternatives - you may find a cheaper fare to a similar destination.
The only city spanning two continents, Istanbul bridges Europe and Asia across the Bosphorus strait, layering Byzantine, Ottoman, and modern Turkish history in a single vast metropolitan area of over 15 million people. Istanbul Airport (IST) and Sabiha Gokcen (SAW) together make Turkey's largest city one of the world's best-connected aviation hubs via Turkish Airlines and Pegasus.