Sit on the Right side of the plane for the best views on flights from Seattle to Denver. Right-side seats deliver superior scenery for both departure and arrival. The takeoff offers Mount Rainier and the Cascades, while the landing showcases the dramatic Front Range escarpment and Pikes Peak—making right windows the consistent choice for this route.

During takeoff from Seattle Tacoma International (SEA), sit on the Right side for the best views. Right-side seats capture the Cascade Range and Mount Rainier during the initial eastbound climb. The aircraft departs to the east, so right windows face the dramatic volcanic peaks that dominate the Seattle departure corridor. Notable sights include: Mount Rainier (14,411 ft), Cascade Range, Puget Sound (receding westward), Lake Washington.

When landing at Rocky Mountain Metropolitan Airport (BJC), sit on the Right side for the best views. Right-side seats offer the best views during the westbound descent into Denver. The approach path brings the aircraft over the Front Range of the Rocky Mountains, and right windows face south toward Pikes Peak and the dramatic eastern escarpment of the Colorado Rockies. Notable sights include: Front Range of the Rocky Mountains, Pikes Peak (14,115 ft), Denver metropolitan area, South Platte River valley.

The flight from Seattle Tacoma International (SEA) to Rocky Mountain Metropolitan Airport (BJC) takes 3h 15m.

Over central Washington and Oregon, the flight passes near or over the Wallowa Mountains and Blue Mountains of northeastern Oregon. Crossing into Idaho and Wyoming, the route traverses the Snake River Plain and approaches the Bighorn Mountains and Wind River Range in northwestern Wyoming. The flight then crosses the Laramie Range before descending into the Denver basin. Notable water features include the Columbia River (near Seattle), Snake River (southern Idaho), and North Platte River (Wyoming). The terrain transitions from temperate forest to high desert to alpine mountains to the Colorado Front Range.