Sit on the Left side of the plane for the best views on flights from Sofia to Madrid. Left seats capture the more dramatic geography: Vitosha on departure (though right-facing initially) and the Guadarrama Mountains plus Tagus River on approach into Madrid. The landing view is more visually rewarding than the takeoff, making left the better overall choice for this route.

During takeoff from Sofia (SOF), sit on the Right side for the best views. Sofia typically departs eastbound (runways 09L/09R). Right-side seats face north initially, giving views of the Vitosha and Rila mountain ranges that frame Sofia's southern and western approaches. Left seats face south toward lower terrain. Notable sights include: Vitosha Mountain (2,290m, prominent dark peak immediately north of Sofia), Rila Mountains (distant ridge to the southwest), Sofia city sprawl (urban grid visible below), Iskar River valley (threading northeast through foothills).

When landing at Barajas (MAD), sit on the Left side for the best views. Madrid typically lands westbound (runways 32L/32R). Left-side seats on approach face south and southwest, offering views of the Guadarrama Mountains and the Tagus River valley. Right seats face north toward the Meseta plateau with fewer distinctive features. Notable sights include: Guadarrama Mountains (Sierra de Guadarrama, visible as a ridge southwest of Madrid), Tagus River (Tajo, meandering through the approach corridor), Madrid city center (visible as urban density), Barajas Airport runways (parallel strips becoming visible on final approach).

The flight from Sofia (SOF) to Barajas (MAD) takes Approximately 2 hours 45 minutes to 3 hours 15 minutes.

The flight crosses the Balkans (Rhodope Mountains visible to the south around 1 hour out), then transitions over Serbia and Hungary. The Danube River valley becomes visible around the 1.5-hour mark. The route then crosses into Austria and southern Germany before turning southwest toward Spain. The Alps appear as a distant ridge to the north around 2 hours into the flight. The Pyrenees form the Spain-France border and are visible on the southern horizon during the final approach phase. The Meseta plateau dominates central Spain for the last 30 minutes of flight.