Hotels near Washington Park Arboretum are always on sale with CheapOair! Visit the Washington Park Arboretum, it is the most popular public park that is housed at Seattle, Washington, USA. This park is the joint project of the University of Washington, the nonprofit Arboretum Foundation and the Seattle Department of Parks and Recreation..This park also includes a playfield and the Seattle Japanese Garden in its southwest corner. Find great deals on cheap hotels near Washington Park Arboretum, and count on CheapOair for all of your travel booking needs.