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

Return flights

27 Aug - 10 Sep	Wizz Air
27 Aug - 08 Sep	Wizz Air
29 Aug - 08 Sep	Ryanair
25 Aug - 12 Sep	Wizz Air
29 Aug - 03 Sep	Ryanair
31 Aug - 08 Sep	Ryanair
29 Aug - 02 Sep	Ryanair
31 Aug - 10 Sep	Ryanair
27 Aug - 17 Sep	Wizz Air	direct
29 Aug - 07 Sep	Ryanair
27 Aug - 31 Aug	Wizz Air
29 Aug - 31 Aug	Ryanair
25 Aug - 31 Aug	Wizz Air
07 Aug - 08 Aug	Ryanair
06 Aug - 08 Aug	Ryanair
06 Aug - 11 Aug	Ryanair
05 Aug - 08 Aug	Wizz Air Malta
07 Aug - 11 Aug	Wizz Air Malta
03 Aug - 08 Aug	Ryanair
25 Aug - 28 Aug	Wizz Air

Also check the deals for one-way flights from Madrid 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 Madrid to Sofia in August from 108€

Return flights