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

Return flights

03 Jul - 08 Jul	Ryanair
03 Jul - 06 Jul	Ryanair
15 Jul - 29 Jul	Ryanair
02 Jul - 03 Jul	Ryanair
16 Jul - 23 Jul	Ryanair
10 Jul - 17 Jul	Ryanair
08 Jul - 09 Jul	Wizz Air Malta
03 Jul - 05 Jul	Ryanair
03 Jul - 04 Jul	Ryanair
03 Jul - 10 Jul	Ryanair
31 Jul - 01 Aug	Ryanair
23 Jul - 03 Aug	Ryanair
10 Jul - 03 Aug	Ryanair
17 Jul - 01 Aug	Austrian Airlines
13 Jul - 03 Aug	Lufthansa
22 Jul - 03 Aug	Austrian Airlines
27 Jul - 08 Aug	Austrian Airlines
10 Jul - 22 Aug	Austrian Airlines
07 Jul - 19 Aug	Austrian Airlines
12 Jul - 02 Aug	Austrian Airlines

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 $152

Return flights