2026 U.S. Sustainable Winegrowing Summit Travel Overview 

Air Transportation 
Presented in order of distance from Walla Walla: 
 

• The Walla Walla Airport (code ALW) is a regional airport with approximately three flights per day on Alaska Airlines to and from Seattle.  

• The Tri-Cities Airport (code PSC) is about an hour from Walla Walla and has flight connections to Seattle, Salt Lake City, Minneapolis, San Francisco and Denver. PSC is approximately 50 miles from Walla Walla and is serviced by ground transportation via Grapeline.us https://grapeline.us/ transit services, taxi, and Uber. 

• The Portland Airport (code PDX) in Oregon is 3hr. 50min. scenic drive from Walla Walla and is Oregon’s largest airport. 

• The Seattle-Tacoma Airport (code SEA) is 4hr. 15 min. scenic drive from Walla Walla and is the main airport for Washington state.
   

Ground Transportation  | Walla Walla 
 

• Walla Walla rental cars: 

  • Budget Car Rental Airport Location: (509) 525-8811 

    • Compact car rental for May 5-7th is around $125+ (as of Nov 2025) 

  • Avis Car Rental Airport Location: (509) 529-7188 

    • Compact car rental for May 5-7th is around $120+ (as of Nov 2025) 
       

Public Transit: 

The Grape Line offers pickups at the Walla Walla and Tri-Cities airports. Click here for the schedule and to reserve a seat.  They will only make stops if they have paid-in-advance reservations. 
 

Ground Transportation | Tri-Cities 

• Tri-Cities taxis: 

  • Tri-City Cab (509) 222-9208  

    • $120+ from the Tri-cities Airport to the Marcus Whitman (as of Nov 2025) 

  • Rad Cab (509) 585-2944 
     

• Tri-Cities rental cars: 

  • Avis Car Rental (509) 547-3210 

    • Renting an economy car May 5-May 7 is around $220, hybrid is around $247. 

  • Budget Car Rental (509) 547-6902 

  • Enterprise Rent a Car (509) 547-3310 

  • Hertz Car Rental (509) 547-0111 

  • National/Alamo Car Rental (509) 545-9266 
     

Ridesharing* Companies:  

• Uber 

• Lyft 

*Available, but may be limited during peak hours.