Hot Rods Swap meets in Washington state/Oregon

Hi we are visiting Washington State, Oregon & California driving down from Seattle to LA from 6th Oct, wondering if there are any swap meets, flea markets, Antique fairs on route
Any info much appreciated. Cheers

 

Monroe Swap Meet in Monroe, WA Oct 6-7 2018. Monroe is about an hour northeast of downtown Seattle.

 

What he said , and it is worth your time to detour there

 

Medford Meet- Oregon - Oct 6-7 - Expo/Jackson County Fairgrounds

 

The Pomona Swap Meet & Classic Car Show is Oct 14 at the Fairplex in Pomona, California. If you are in SoCal at that time you might want to check it out.