Sit on the Right side of the plane for the best views on flights from Ulaanbaatar (Sergelen) to Tokyo. The right side captures the most dramatic scenery during departure—the Khangai Mountains and Mongolia's highland terrain—which is the flight's most visually distinctive segment. While Haneda's left-side views are notable, the takeoff panorama from Ulaanbaatar is more geographically striking.

During takeoff from Ulaanbaatar Chinggis Khaan International Airport (UBN), sit on the Right side for the best views. Right-side seats capture the Khangai Mountains and Tuul River valley as the aircraft climbs southeastward from Ulaanbaatar. The terrain rises dramatically to the south and southeast, providing clear definition of Mongolia's central highlands. Notable sights include: Khangai Mountains (south), Tuul River valley (immediate vicinity), Bogd Khan Mountain (southeast, visible on clear days), Ulaanbaatar urban sprawl (below and receding northward).

When landing at Tokyo International (HND), sit on the Left side for the best views. Left-side seats provide views of Tokyo Bay, the Kanto Plain, and Mount Fuji (weather permitting) during the descent into Haneda. The aircraft approaches from the northwest, making the left side optimal for viewing the bay's geography and urban sprawl. Notable sights include: Tokyo Bay (Edo Bay), Kanto Plain urban grid, Mount Fuji (visible on clear days, ~80 miles west), Haneda Airport and Odaiba artificial islands.

The flight from Ulaanbaatar Chinggis Khaan International Airport (UBN) to Tokyo International (HND) takes Approximately 4 hours 15 minutes.

The flight path crosses the Sea of Japan (East Sea) for roughly 2 hours of the journey. Departing Ulaanbaatar southeastward, the aircraft climbs over the Khangai Mountains, then transitions to the Mongolian steppe. The route typically carries aircraft southeast across Mongolia and into airspace above the Korean Peninsula region before turning south-southwest toward Tokyo. The Sea of Japan crossing offers little visual interest—open water with occasional shipping traffic. The most scenic portion is the first 45 minutes over Mongolia's mountains and foothills; the remainder is largely featureless steppe, then ocean, then the approach into the Kanto Plain.