Sit on the Left side of the plane for the best views on flights from Seattle to Houston. Left side wins both ends of the flight. During the cruise over Oregon, northern California, and central Texas, the left side also faces generally south and east, keeping the Cascade and Sierra Nevada ranges in view during the early portion of the flight before the terrain flattens into the Texas plains.

During takeoff from Seattle Tacoma International (SEA), sit on the Left side for the best views. SEA primarily uses runways 16L/16R for southbound departures, meaning a left-side seat faces east toward the Cascades. You get a direct view of Mount Rainier dominating the skyline, with the Seattle skyline and Elliott Bay visible during the initial climb-out before the turn south. Notable sights include: Mount Rainier (14,411 ft), Seattle skyline and Elliott Bay, Lake Washington, Mount Adams on the southern horizon.

When landing at George Bush Intcntl Houston (IAH), sit on the Left side for the best views. IAH typically uses runways 26L/26R or 27 for westerly arrivals, with approaches often from the east. A left-side seat on approach from the east faces south, giving views over downtown Houston's skyline, the Ship Channel, and the sprawling urban grid. Right side faces north toward less distinctive terrain. Notable sights include: Downtown Houston skyline, Houston Ship Channel and Buffalo Bayou, Lake Houston to the northeast, Galveston Bay visible to the south on clear days.

The flight from Seattle Tacoma International (SEA) to George Bush Intcntl Houston (IAH) takes Approximately 4 hours 15 minutes to 4 hours 45 minutes.

The flight tracks southeast over the Oregon Cascades including Mount Hood and Crater Lake region, then over the Klamath Mountains and northern Sacramento Valley in California, crossing the Sierra Nevada foothills before entering the flat basin of the San Joaquin Valley. The route then crosses the Mojave Desert fringe, the arid ranges of New Mexico and west Texas, and the Edwards Plateau before descending over the flat Gulf Coastal Plain into Houston.