The average bus between Castle Rock and SeaTac takes 9h 8m and the fastest bus takes 2h 56m. There is at least one bus per day from Castle Rock to SeaTac. 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 once daily between Castle Rock and SeaTac. The earliest departure is at 9:14 AM in the morning, and the last departure from Castle Rock is at 6:14 PM which arrives into SeaTac at 9:35 AM. All services require a transfer at Mellen Street e-Transit Station - 1401 Mellen St. and take an average of 9h 8m. The schedules shown below are for the next available departures.
Want to know about travelling from Castle Rock to SeaTac? 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 Castle Rock to SeaTac. However, there are services departing from Castle Rock station and arriving at SeaTac station via Mellen Street e-Transit Station - 1401 Mellen St. station. The journey, including transfers, takes approximately 9h 8m.
Castle Rock to SeaTac bus services, operated by Twin Transit, depart from Castle Rock Park and Ride station.
Castle Rock to SeaTac bus services, operated by Twin Transit, arrive at Seattle Tacoma Intl Airport station.
The distance between Castle Rock and SeaTac is 138.7 km. The road distance is 178 km.
You can take a bus from Castle Rock Park and Ride to Seattle Tacoma Intl Airport via Mellen Street e-Transit Station - 1401 Mellen St., Olympia Transit Center - 280 Washington St NE, and Olympia in around 4h 31m.
