Any of the major car rental companies will allow a "One-way" rentals. Occasionally there are restrictions around specific locations, but in general if you're planning to go from a major airport to another major airport you'll have no problems at all.Do you need a car to live in Portland Oregon?
Getting Around in Portland OR. You don’t need a car while in Portland because the city is well served by public transportation (light-rail, streetcar, buses). However, if you want to take day trips to the Columbia Gorge National Scenic Area , the wine country, or Mount Hood, or explore the Oregon coast, a car is necessary.What is the nearest airport to Portland Oregon?
The closest major airport to Portland, Oregon is Portland International Airport (PDX / KPDX). This airport is 12 miles from the center of Portland, OR.