Cheapest one-way flights from Madrid to Sofia in September from 31€

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

One-Way flights

17 Sep Ryanair direct
24 Sep Wizz Air Malta
15 Sep Ryanair direct
25 Sep Wizz Air Malta
20 Sep Wizz Air Malta
10 Sep Wizz Air Malta
04 Sep Wizz Air Malta
10 Sep Ryanair direct
07 Sep Ryanair direct
24 Sep Ryanair direct

Also check the deals for return flights from Madrid to Sofia in September.

Skyscanner

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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