Sit on the Left side of the plane for the best views on flights from Hong Kong to Lisbon. While takeoff from Hong Kong favors the right, the landing approach into Lisbon from the left offers more dramatic and recognizable scenery—the Tagus estuary, the city's iconic bridge, and the hillside urban landscape are far more visually compelling than the midpoint ocean crossing.

During takeoff from Hong Kong International (HKG), sit on the Right side for the best views. Right-side seats capture the dramatic Victoria Harbour and Kowloon Peninsula as the aircraft climbs northwestward from HKG. You'll see the harbor's distinctive shape, the urban sprawl of Hong Kong Island, and the New Territories receding beneath you. Notable sights include: Victoria Harbour, Kowloon Peninsula, Hong Kong Island skyline, New Territories.

When landing at Lisboa (LIS), sit on the Left side for the best views. Left-side seats offer the best views during approach to Lisbon. You'll see the Tagus River estuary, the city's distinctive hills and neighborhoods, and the 25 de Abril Bridge as the aircraft descends toward Humberto Delgado Airport from the east. Notable sights include: Tagus River estuary, Lisbon city center on hills, 25 de Abril Bridge, Cristo Rei monument.

The flight from Hong Kong International (HKG) to Lisboa (LIS) takes Approximately 18-20 hours with one or two stops (typically in Middle East hub like Doha or Abu Dhabi, or occasionally a European stop like Istanbul).

This route crosses the Arabian Peninsula, the Persian Gulf region, and the Middle East. Depending on routing, you may see the Zagros Mountains in Iran, the Mesopotamian plains, and the Levantine coast. The flight then crosses the Mediterranean Sea—if routed via southern Europe, you might glimpse Cyprus, Crete, or the Greek islands before reaching Portugal. Most of the midpoint journey is over ocean or sparsely populated desert terrain with limited scenic landmarks from cruising altitude.