Cheap flights from Sofia to Istanbul
From 126 USD — compare hundreds of airlines
Direct flightsCheapest: 2026-07 · 70 US$
Prices by date
83 US$
01/07
70 US$
02/07
70 US$
03/07
71 US$
04/07
70 US$
05/07
73 US$
06/07
70 US$
07/07
84 US$
08/07
72 US$
09/07
73 US$
10/07
86 US$
11/07
81 US$
12/07
Airlines on this route
FAQ
What's the cheapest month to fly Sofia to Istanbul?
Usually 2026-07, from 70 USD.
Are there direct flights from Sofia to Istanbul?
We show both direct and connecting options — filter to compare.