Cheapest one-way flights from Hong Kong to Sofia in September from 663€

Best time to book flights for Hong Kong (HKG) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Sofia (SOF) in September 2025 (see full year).

One-Way flights

26 Sep SWISS

Also check the deals for return flights from Hong Kong to Sofia in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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