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

Return flights

31 Jul - 01 Aug	Ryanair
09 Jul - 17 Jul	Ryanair
15 Jul - 22 Jul	Ryanair
10 Jul - 15 Jul	Ryanair
16 Jul - 26 Jul	Ryanair
15 Jul - 29 Jul	Ryanair
30 Jul - 31 Jul	Ryanair
17 Jul - 21 Jul	Ryanair
14 Jul - 16 Jul	Ryanair
10 Jul - 14 Jul	Wizz Air Malta
15 Jul - 17 Jul	Ryanair
22 Jul - 19 Aug	Ryanair
31 Jul - 05 Aug	Ryanair
31 Jul - 02 Aug	Ryanair
26 Jul - 02 Aug	Wizz Air Malta
24 Jul - 01 Aug	Ryanair
23 Jul - 02 Aug	Air Serbia
31 Jul - 03 Aug	Austrian Airlines
27 Jul - 01 Aug	Austrian Airlines
17 Jul - 31 Aug	Ryanair

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

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 Prague to Sofia in July from 142€

Return flights