AirHint found the following cheapest return flights from Madrid (MAD) to Bratislava (BTS) in September 2025 (see full year).

Return flights

19 Sep - 22 Sep	Ryanair
04 Sep - 08 Sep	Ryanair
18 Sep - 22 Sep	Ryanair
13 Sep - 16 Sep	Ryanair
24 Sep - 29 Sep	Wizz Air Malta
12 Sep - 16 Sep	Ryanair
18 Sep - 21 Sep	Wizz Air Malta
23 Sep - 27 Sep	Ryanair
06 Sep - 09 Sep	Ryanair
22 Sep - 27 Sep	Wizz Air Malta

Also check the deals for one-way flights from Madrid to Bratislava in September.

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 Bratislava in September from 120€

Return flights