AirHint found the following cheapest return flights from Sofia (SOF) to Prague (PRG) in August 2025 (see full year).

Return flights

02 Aug - 07 Aug	Ryanair
26 Aug - 28 Aug	Ryanair
31 Aug - 02 Sep	Ryanair
12 Aug - 16 Aug	Ryanair
15 Aug - 22 Aug	Wizz Air
19 Aug - 21 Aug	Ryanair
06 Aug - 12 Aug	Air Serbia
14 Aug - 18 Aug	Air Serbia
13 Aug - 20 Aug	Ryanair
15 Aug - 19 Aug	Lufthansa
07 Aug - 10 Aug	Austrian Airlines
30 Aug - 06 Sep	Ryanair

Also check the deals for one-way flights from Sofia to Prague in August.

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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Cheapest return flights from Sofia to Prague in August from 147€

Return flights