The average bus between Portland and Renton takes 3h 53m and the fastest bus takes 3h 37m. The bus service runs several times per day from Portland to Renton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 4 times a day between Portland and Renton. The earliest departure is at 6:20 AM in the morning, and the last departure from Portland is at 7:10 PM which arrives into Renton at 10:49 PM. All services require a transfer, and take on average 3h 53m. The schedules shown below are for the next available departures.

3h 56m • 1 change

3h 47m • 1 change

4h 34m • 1 change

4h 34m • 1 change

3h 56m • 1 change

3h 47m • 1 change

4h 34m • 1 change

3h 39m • 1 change
Want to know about travelling from Portland to Renton? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Portland to Renton. However, there are services departing from Portland station and arriving at Renton station via Seattle Tacoma Intl Airport. The journey, including transfers, takes approximately 3h 53m.
Portland to Renton bus services, operated by Greyhound USA, depart from Portland Curbside Bus Stop station.
Portland to Renton bus services, operated by Greyhound USA, arrive at Seattle Tacoma Intl Airport station.
The distance between Portland and Renton is 220.7 km. The road distance is 270 km.
Flixbus USA operates a bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport 3 times a day. Tickets cost $23–40 and the journey takes 3h 10m. Greyhound USA also services this route once daily.