Cheap flights from Istanbul to Sofia
from 63 US$
From 113 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 63 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Istanbul to Sofia, a about 486 km route (around 1h 6m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Turkish Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Istanbul to Sofia?
It's usually 2026-09, from 63 USD. Use the price calendar to compare other dates.
How long is the flight from Istanbul to Sofia?
A nonstop flight takes about 1h 6m and covers around 486 km. Connecting itineraries take longer.
Are there direct flights from Istanbul to Sofia?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Istanbul to Sofia?
Turkish Airlines operate this route, among others. Compare them all in the results.
When should I book Istanbul–Sofia flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Istanbul → Sofia · Live fares from 100+ sites — free, with no hidden fees.