The average bus between Seattle Airport (SEA) and Clackamas takes 6h 22m and the fastest bus takes 4h 52m. The bus service runs several times per day from Seattle Airport (SEA) to Clackamas. 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 Seattle Airport (SEA) and Clackamas. The earliest departure is at 8:10 AM in the morning, and the last departure from Seattle Airport (SEA) is at 8:35 PM which arrives into Clackamas at 6:35 AM. All services require a transfer at Portland Curbside Bus Stop and take an average of 6h 22m. The schedules shown below are for the next available departures.


4h 52m • 2 changes


5h 55m • 2 changes


5h 23m • 2 changes
Arrives next day


11h 7m • 2 changes


4h 52m • 2 changes


5h 55m • 2 changes


5h 23m • 2 changes
Arrives next day


11h 7m • 2 changes


4h 52m • 2 changes


5h 55m • 2 changes


5h 23m • 2 changes
Arrives next day


10h • 2 changes


4h 52m • 2 changes


5h 55m • 2 changes


5h 23m • 2 changes
Arrives next day


10h • 2 changes
Want to know about travelling from Seattle Airport (SEA) to Clackamas? 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 Seattle Airport (SEA) to Clackamas. However, there are services departing from Seattle Airport (SEA) station and arriving at Clackamas station via Portland Curbside Bus Stop. The journey, including transfers, takes approximately 6h 22m.
Seattle Airport (SEA) to Clackamas bus services, operated by Greyhound USA, depart from Seattle Tacoma Intl Airport station.
Seattle Airport (SEA) to Clackamas bus services, operated by Greyhound USA, arrive at Oregon City Transit Center station.
The distance between Seattle Airport (SEA) and Clackamas is 226.5 km. The road distance is 293 km.
You can take a bus from Seattle Tacoma Intl Airport to SE 82nd Dr & Tolbert via Portland Curbside Bus Stop, NW Glisan & 3rd, and Oregon City Transit Center in around 4h 46m.