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

Return flights

31 Aug - 10 Sep	Lufthansa
30 Aug - 13 Sep	Lufthansa
30 Aug - 12 Sep	Austrian Airlines
28 Aug - 04 Sep	LOT
29 Aug - 08 Sep	Austrian Airlines
29 Aug - 05 Sep	LOT
27 Aug - 03 Sep	Lufthansa
31 Aug - 02 Sep	Austrian Airlines
30 Aug - 01 Sep	Lufthansa
29 Aug - 01 Sep	Austrian Airlines
28 Aug - 31 Aug	Air Serbia
27 Aug - 31 Aug	Air Serbia
29 Aug - 29 Aug	Lufthansa
25 Aug - 26 Aug	LOT
28 Aug - 28 Aug	Air Serbia
28 Aug - 31 Aug	Bulgaria Air	direct
27 Aug - 31 Aug	Bulgaria Air	direct
25 Aug - 28 Aug	LOT
26 Aug - 30 Aug	Lufthansa
25 Aug - 30 Aug	Bulgaria Air	direct

Also check the deals for one-way flights from Paris to Sofia 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 Paris to Sofia in August from 192€

Return flights