Pre-trip cheat sheet
Bulgaria
10-year expensiveReal-feel cost 40% above the 10-year trough
Flights from ~HK$14,072 return
Practical facts
- Visa · HKSAR passport
- Visa-free · 90 days
- Flight from HK
- ~10.5 h (est.)
- Flights from ~HK$14,072 return
- Time vs HK
- 6 h behind
- Languages
- Bulgarian
- Plugs · voltage
- Type C / Type F · 230V
- Currency
- BGN
Flight time is a nonstop great-circle estimate. Visa rules change — confirm with official sources before booking.
Best time to visit
Best months: Apr–Oct
Jan
2°
-6°
💧51
Feb
4°
-5°
💧45
Mar
9°
-1°
💧57
Apr
14°
3°
💧57
May
20°
9°
💧80
Jun
24°
13°
💧85
Jul
28°
15°
💧68
Aug
28°
15°
💧58
Sep
23°
10°
💧54
Oct
16°
5°
💧57
Nov
10°
0°
💧42
Dec
4°
-5°
💧51
Climate normals 2001–2020 for Sofia (NASA POWER). 💧 = monthly rainfall, mm.