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

Return flights

30 Aug - 03 Sep	Ryanair
29 Aug - 06 Sep	Wizz Air
22 Aug - 13 Sep	Ryanair
30 Aug - 06 Sep	Ryanair
31 Aug - 15 Sep	Wizz Air
30 Aug - 15 Sep	Wizz Air
25 Aug - 27 Aug	Wizz Air Malta
22 Aug - 26 Aug	Wizz Air
27 Aug - 29 Aug	Ryanair
27 Aug - 30 Aug	LOT	direct
25 Aug - 29 Aug	LOT	direct
30 Aug - 06 Sep	LOT	direct
30 Aug - 03 Sep	LOT	direct
27 Aug - 01 Sep	LOT	direct
29 Aug - 06 Sep	LOT	direct
28 Aug - 31 Aug	Wizz Air
27 Aug - 31 Aug	Ryanair
19 Aug - 21 Aug	LOT
29 Aug - 31 Aug	Wizz Air
28 Aug - 28 Aug	Wizz Air

Also check the deals for one-way flights from Warsaw 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 Warsaw to Sofia in August from 186€

Return flights