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

One-Way flights

25 Aug	Wizz Air	direct
27 Aug	Wizz Air	direct
20 Aug	Wizz Air	direct
28 Aug	Wizz Air Malta
29 Aug	Wizz Air	direct
06 Aug	Wizz Air Malta
26 Aug	Ryanair
07 Aug	Ryanair
21 Aug	Air Europa
30 Aug	Wizz Air Malta

Also check the deals for return 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 one-way flights from Madrid to Sofia in August from 37€

One-Way flights