- Distance: 22.6 mi
- Duration: 43 min
The average bus between Union Station and SeaTac takes 43 min and the fastest bus takes 33 min. The bus runs at least 2 times per hour from Union Station 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 every 30 minutes between Union Station and SeaTac. The earliest departure is at 2:23 AM at night, and the last departure from Union Station is at 11:17 PM which arrives into SeaTac at 11:57 PM. All services run direct with no transfers required, and take on average 43 min. The schedules shown below are for the next available departures.
Want to know about travelling from Union Station 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.
Yes, there is a direct bus departing from Union Station station and arriving at SeaTac station. Services depart every 30 minutes, and operate Once daily. The journey takes approximately 43 min.
Union Station to SeaTac bus services, operated by Sound Transit, depart from D St E & 25th St E station.
Union Station to SeaTac bus services, operated by Sound Transit, arrive at SeaTac Station.
The distance between Union Station and SeaTac is 25.1 km. The road distance is 36 km.
Sound Transit operates a bus from D St E & 25th St E to SeaTac Station every 30 minutes. Tickets cost $3 and the journey takes 40 min.
