Sit on the Left side of the plane for the best views on flights from Bangkok to Vientiane. Left seats provide superior views on takeoff with the Chao Phraya River and Bangkok's geography, and while right seats have advantages on landing, the takeoff experience is more visually rewarding and the flight path northward favors left-side views of the Mekong valley approach.

During takeoff from Bangkok International (BKK), sit on the Left side for the best views. BKK typically departs eastbound (runways 01L/01R). Left seats face north initially, giving direct views of the Chao Phraya River's northern course and the transition from Bangkok's urban sprawl into agricultural plains. Right seats see the airport's southern industrial zones and less distinctive terrain. Notable sights include: Chao Phraya River (meandering northward through central Bangkok), Don Mueang Airport (visible to the north as a secondary airfield), Bangkok's urban grid transitioning to rice paddies, Khao Yai National Park foothills (distant, northeast).

When landing at Wattay International (VTE), sit on the Right side for the best views. VTE typically uses runway 03 (northeast approach). Right seats face southeast during descent, providing views of the Mekong River's dramatic eastern bank and Vientiane's position on the river's western side. The approach path crosses the river, making right-side views superior for seeing the water boundary and Laotian terrain. Notable sights include: Mekong River (wide, muddy, forming Thailand-Laos border), Vientiane's urban core along the western bank, Thai territory on the eastern bank (Nong Khai region), Phou Khao Khuay National Park (forested hills to the northeast).

The flight from Bangkok International (BKK) to Wattay International (VTE) takes Approximately 1 hour 15 minutes.

The flight path crosses from the Chao Phraya basin northeastward over central Thai plains, passing east of Phetchabun Province. The terrain transitions from rice paddies and scattered towns to increasingly forested hills as the aircraft approaches the Mekong River valley. The Petchabun Range remains visible to the east (right side) during cruise. The Mekong River becomes visible approximately 20 minutes before landing, running north-south and marking the Thailand-Laos border. Vientiane's position on the river's western bank becomes apparent during descent.