Sit on the Left side of the plane for the best views on flights from Sacramento to Denver. The left side wins overall because the Front Range arrival view into Denver is one of the most spectacular in continental US aviation — a full panorama of the Rockies spread across the horizon for 20+ minutes of descent. The takeoff right-side view of the Sierra foothills is good but shorter-lived. Left side also catches the Sierra Nevada from the south side during cruise at altitude.

During takeoff from Sacramento International (SMF), sit on the Right side for the best views. SMF runways typically depart eastbound (runway 34L/34R or 16L/16R depending on winds, but eastbound departures are common). On an eastbound climb-out from Sacramento, the right side gives you a clear view of the Sacramento Valley floor and the Sierra Nevada rising to the south and east. You'll see the valley's flat agricultural patchwork giving way to the foothills almost immediately. Notable sights include: Sierra Nevada foothills east of Sacramento, Sacramento River winding through the valley floor, the flat Central Valley agricultural grid stretching south, Folsom Lake visible in the foothills to the east.

When landing at Denver International (DEN), sit on the Left side for the best views. Denver International sits on the plains east of the Rockies, and most arrivals come in from the east or southeast on runways oriented north-south. On approach from the west, the left side faces south and gives a sustained, unobstructed view of the entire Front Range — from Pikes Peak in the south to Longs Peak in the north — as the aircraft descends over the plains. The right side faces north toward open plains with far less visual interest. Notable sights include: Front Range of the Rocky Mountains including Pikes Peak, Mount Evans, and Longs Peak, Denver city skyline against the mountain backdrop, the flat brown high plains stretching east, Rocky Mountain National Park peaks on the northern horizon.

The flight from Sacramento International (SMF) to Denver International (DEN) takes Approximately 2 hours 15 minutes.

The flight crosses the northern Nevada high desert basin and range terrain, the Bonneville Salt Flats region of Utah visible to the south, the Wasatch Range near Salt Lake City visible to the south, then the Uinta Mountains of northeastern Utah, the Colorado River headwaters region, and the Rocky Mountain high country of western Colorado including the White River Plateau before descending onto the Colorado plains toward Denver