By Plane, Train, Or Bus
Walla Walla Regional Airport ALW is about an hour flight from SeaTac SEA airport.
Pendleton PDT and Pasco PSC airports are both about an hour drive from Walla Walla.
Greyhound (http://www.greyhound.com/) has three stops in Walla Walla. The main station is at: TRVL Washington Grapeline108 W Main. The other stops are at the Walla Walla Airport and College place. They are limited service stops so tickets can only be purchased at the main terminal or online in advance.
By car
Main access is US Highway 12, running east-west. It can be accessed from several interstates, as well as US and State highways.
From the North West:From I-90 take I-82 east toward the Tri-Cities, then exit onto I-182 east. I-182 will merge into US Hwy 12 eastbound, follow it for about fifty miles to Walla Walla.
From the North East:Take US Hwy 395 south to the Tri-cities and then exit onto US Hwy 12 east, fifty miles to Walla Walla.
From the South East:From I-84 exit in Pendleton,OR and take Oregon Route 11 north to Milton-Freewater, OR. Continue through Milton-Freewater on OR-11 which will become WA-125 north at the stateline and continues into Walla Walla.
From the East:No major interstates, numerous state and local routes can be used to access US Hwy 12 westbound.