Chicago to Portland flight path: ORD to PDX

Sit on the Left side of the plane for the best views on flights from Chicago to Portland. While the right side offers a nice Chicago send-off, the left side's payoff is bigger: a close, unobstructed view of Mount Hood on final approach, one of the most recognizable volcanic peaks in the U.S., tips the balance despite both sides sharing similar flat Great Plains cruise scenery.

During takeoff from Chicago Ohare International (ORD), sit on the Right side for the best views. Departing ORD to the west, aircraft typically turn right (north) to join the Wisconsin/Minnesota corridor, swinging the right side toward Chicago's skyline and the curve of Lake Michigan's shoreline before the plains take over. Notable sights include: Chicago downtown skyline, Lake Michigan shoreline, O'Hare's surrounding suburban grid.

When landing at Portland International (PDX), sit on the Left side for the best views. On the standard easterly approach into PDX landing on runway 28, the flight path passes just north of Mount Hood, putting its snow-capped volcanic cone squarely in view on the left side during descent — the signature PDX arrival view. Notable sights include: Mount Hood, Columbia River, Willamette Valley farmland, Cascade foothills.

The flight from Chicago Ohare International (ORD) to Portland International (PDX) takes about 4 hours 30 minutes. The shortest flight path between them is 1,735 miles (2,792 km); winds and air traffic control usually add a few percent.

The route crosses the Upper Midwest plains of Minnesota and the Dakotas, passing near the Black Hills and Badlands region of South Dakota, then continues over the Bighorn Mountains and Montana's Rocky Mountain Front before crossing the forested Idaho panhandle and Oregon's Blue Mountains en route to the Cascades.