Sit on the Right side of the plane for the best views on flights from Portland to Ontario. While takeoff offers excellent Cascade views, the landing descent provides more sustained and dramatic scenery—the contrast between desert and mountains, plus the visual interest of the Inland Empire's urban-rural transition. Right side captures both the San Gabriel Mountains and the valley development.

During takeoff from Portland International (PDX), sit on the Left side for the best views. Left side offers immediate views of the Cascade Range and Mount Hood as you climb southbound out of PDX. The volcanic peaks are prominent and distinctive during the first 15-20 minutes of flight. Notable sights include: Mount Hood (11,240 ft), Cascade Range, Willamette Valley floor, Columbia River gorge to the north.

When landing at Ontario International (ONT), sit on the Right side for the best views. Right side provides views of the San Gabriel Mountains and the transition from the Mojave Desert into the San Bernardino Valley during descent into ONT. You'll see the dramatic elevation change and urban sprawl of the Inland Empire. Notable sights include: San Gabriel Mountains, San Bernardino Valley, Mojave Desert floor, Ontario/Inland Empire urban grid.

The flight from Portland International (PDX) to Ontario International (ONT) takes 2h 15m.

Kern River valley, southern Sierra Nevada foothills, Tehachapi Mountains pass area, transition from Oregon/Northern California forests to California high desert and Mojave Desert floor