Cheapest return flights from Madrid to Sofia in September from $120

Best time to book flights for Madrid (MAD) to Sofia (SOF) flights at AirHint

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

Return flights

15 Sep - 29 Sep Ryanair direct
17 Sep - 29 Sep Ryanair direct
12 Sep - 29 Sep Ryanair direct
08 Sep - 29 Sep Ryanair direct
05 Sep - 19 Sep Ryanair direct
05 Sep - 17 Sep Ryanair direct
05 Sep - 24 Sep Ryanair direct
05 Sep - 14 Sep Ryanair direct
29 Sep - 15 Oct Ryanair direct
05 Sep - 15 Sep Ryanair direct
14 Sep - 29 Sep Ryanair direct
29 Sep - 17 Oct Ryanair direct
26 Sep - 15 Oct Ryanair direct
15 Sep - 06 Oct Ryanair direct
17 Sep - 06 Oct Ryanair direct
15 Sep - 05 Oct Ryanair direct
17 Sep - 05 Oct Ryanair direct
29 Sep - 20 Oct Ryanair direct
29 Sep - 19 Oct Ryanair direct
29 Sep - 06 Oct Ryanair direct

Also check the deals for one-way 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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