The average bus between Portland and Mill Creek takes 8h 18m and the fastest bus takes 6h 31m. The bus service runs several times per day from Portland to Mill Creek. 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 twice daily between Portland and Mill Creek. The earliest departure is at 9:25 AM in the morning, and the last departure from Portland is at 7:10 PM which arrives into Mill Creek at 5:39 AM. All services require a transfer at Seattle and take an average of 8h 18m. The schedules shown below are for the next available departures.


6h 31m • 2 changes


6h 42m • 2 changes
Arrives next day


10h 29m • 2 changes


6h 31m • 2 changes


6h 42m • 2 changes
Arrives next day


10h 29m • 2 changes


6h 31m • 2 changes


6h 42m • 2 changes
Arrives next day


10h 29m • 2 changes
Want to know about travelling from Portland to Mill Creek? 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 Mill Creek. However, there are services departing from Portland station and arriving at Mill Creek station via Seattle. The journey, including transfers, takes approximately 8h 18m.
Portland to Mill Creek bus services, operated by Flixbus USA, depart from Portland Curbside Bus Stop station.
Portland to Mill Creek bus services, operated by Flixbus USA, arrive at Seattle station.
The distance between Portland and Mill Creek is 262.3 km. The road distance is 328 km.
Flixbus USA operates a bus from Portland Curbside Bus Stop to Seattle 3 times a day. Tickets cost $23–40 and the journey takes 4h 5m.