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Flights between Istanbul (IST) and Sofia (SOF)

Istanbul Airport, Turkey ↔ Sofia Airport, Bulgaria

A direct route between Istanbul and Sofia appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

Turkish Airlines (TK)
Distance
469 km
291 miles
Est. flight time
1h 5m
great-circle estimate
Time difference
~1h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Turkey

Jan
9°
14/4
55mm
Feb
10°
15/5
50mm
Mar
14°
19/9
50mm
Apr
19°
24/14
45mm
May
24°
29/19
35mm
Jun
28°
33/23
20mm
Jul
31°
36/26
15mm
Aug
31°
36/26
15mm
Sep
27°
32/22
25mm
Oct
21°
26/16
50mm
Nov
15°
20/10
60mm
Dec
10°
15/5
65mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Bulgaria

Jan
4°
9/-1
40mm
Feb
6°
11/1
35mm
Mar
11°
16/6
40mm
Apr
17°
22/12
50mm
May
22°
27/17
70mm
Jun
26°
31/21
70mm
Jul
29°
34/24
55mm
Aug
29°
34/24
45mm
Sep
24°
29/19
40mm
Oct
17°
22/12
50mm
Nov
10°
15/5
55mm
Dec
5°
10/0
50mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Turkey: Caution — some areas (UK FCDO) ↗Bulgaria: Normal precautions (UK FCDO) ↗

Common questions

How far is Istanbul from Sofia?

Istanbul (IST) and Sofia (SOF) are around 469 km (291 miles) apart — an estimated 1h 5m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the IST–SOF route?

Airlines recorded operating this route in the OpenFlights network include Turkish Airlines. This reflects historical scheduled service and may be out of date.

What is the time difference between Istanbul and Sofia?

Time difference ~ 1 hour (varies with daylight-saving).

When is it warmest in Bulgaria?

Across Bulgaria, the warmest month on average is July, with mean temperatures around 29°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Turkey and Bulgaria?

The UK FCDO currently rates Turkey as Caution — some areas; The UK FCDO rates Bulgaria as Normal precautions. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.