bus fares Auditor: Most RapidRide Fare Evasion Tickets Go Unpaid By Ed Ronco & Geoffrey Redick • Apr 6, 2018 Simone Alicea / KNKX Listen Listening... / 4:03 If you ride King County Metro’s RapidRide bus lines, you might have seen fare enforcement officers in action. They sometimes board the long buses, checking to make sure people have paid their due. King County Metro To Charge Flat Rate Bus Fare By Paula Wissel • Nov 13, 2017 Jennifer Wing / knkx Listen Listening... / 1:06 King County Metro Transit fares are being simplified. Beginning in July 2018, bus riders will pay a flat adult rate of $2.75. The new fare system eliminates different fares for peak times and for traveling between zones. Metro youth fares going up By Paula Wissel • Aug 31, 2011 Oran Viriyincy / Flickr Kids will pay 50 cents more to ride the bus starting tomorrow. Bus fares on King County Metro increase from 75 cents to $1.25 to travel in all zones at all times.