Sit on the Left side of the plane for the best views on flights from Brussels to Frankfurt. The left side misses the best of the Brussels departure but wins the more dramatic landing sequence with the Frankfurt skyline and Main River clearly in view. On a short flight like this, the approach into Frankfurt is the visual highlight, and the left seat delivers it directly.

During takeoff from Brussels Natl (BRU), sit on the Right side for the best views. Brussels uses runway 25R/07L and 01/19 as primary runways. Departing eastbound toward Frankfurt, a right-side seat gives you a view over central Brussels as the aircraft climbs and turns southeast. You can pick out the city center grid and the green expanse of the Forêt de Soignes to the southeast. Notable sights include: Brussels city center and Grand Place area, Forêt de Soignes (large urban forest southeast of the city), the E40 motorway corridor heading east toward Leuven, Leuven town visible in the middle distance.

When landing at Frankfurt Main (FRA), sit on the Left side for the best views. Frankfurt typically uses runways 25L/25C for westerly landings or 07L/07R for easterly approaches. On the standard westerly approach over the Taunus hills, the left side faces south and gives you a clear view of the Frankfurt skyline, the Main River bend, and the Taunus ridge to the north as you descend. The right side faces north toward less distinctive terrain. Notable sights include: Frankfurt city skyline (Bankenviertel high-rises), Main River and its distinctive bend through the city, Taunus ridge to the north visible as a forested escarpment, Rhine River visible in the far distance to the west on clear days.

The flight from Brussels Natl (BRU) to Frankfurt Main (FRA) takes Approximately 55 to 70 minutes.

The flight crosses the Belgian Ardennes — a forested plateau visible as a broad expanse of dark woodland — then enters the German Eifel and Hunsrück uplands, similarly forested and hilly. The Moselle River valley may be briefly visible as a winding incised valley. As the aircraft descends into Frankfurt, the Rhine-Main plain opens up as flat agricultural lowland.