Sit on the Left side of the plane for the best views on flights from Sofia to London. Left side wins at both ends of the flight. Over the Balkans and Central Europe the left side also catches views of the Danube plain and Alpine foothills, making it the stronger choice throughout.

During takeoff from Sofia (SOF), sit on the Left side for the best views. Sofia airport's primary departure runway 09/27 means westbound departures head roughly west, putting the Vitosha massif directly to the left (south). Vitosha's broad, flat-topped summit plateau rising to 2,290m is unmistakable and dominates the view as you climb out over the Sofia basin. Notable sights include: Vitosha Mountain plateau, Sofia city grid spreading across the basin, Lyulin Hills to the northwest, Iskar River valley opening to the northeast.

When landing at Heathrow (LHR), sit on the Left side for the best views. Heathrow's primary westerly arrivals use runways 27L/27R, meaning aircraft approach from the east over London. A left-side seat gets a prolonged view over central London — the Thames, the City, Canary Wharf, and the full sweep of the river bends — as the aircraft descends from the east toward the airport. Notable sights include: River Thames bends through central London, Canary Wharf tower cluster, The City of London and Wembley Stadium arch, Windsor Castle and Great Park on final approach.

The flight from Sofia (SOF) to Heathrow (LHR) takes Approximately 3 hours 15 minutes.

After leaving the Sofia basin the route tracks northwest over Serbia and the Danube plain, then across Hungary and Austria where the eastern Alps appear to the southwest. Over southern Germany and into France the terrain flattens into the Rhine valley and North European Plain. The English Channel crossing near Calais takes roughly 20 minutes before descending over southeast England toward Heathrow.