The average train between SeaTac and Marymoor Park takes 1h 16m and the fastest train takes 1h 14m. The train runs at least 4 times per hour from SeaTac to Marymoor Park. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 15 minutes between SeaTac and Marymoor Park. The earliest departure is at 5:07 AM in the morning, and the last departure from SeaTac is at 10:30 PM which arrives into Marymoor Park at 11:46 PM. All services require a transfer at Int'l Dist/Chinatown and take an average of 1h 16m. The schedules shown below are for the next available departures.

1h 14m • 1 change

1h 14m • 1 change

1h 14m • 1 change

1h 14m • 1 change
Want to know about travelling from SeaTac to Marymoor Park? 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 train from SeaTac to Marymoor Park. However, there are services departing from SeaTac station and arriving at Marymoor Park station via Int'l Dist/Chinatown. The journey, including transfers, takes approximately 1h 16m.
SeaTac to Marymoor Park train services, operated by Sound Transit, depart from SeaTac/Airport station.
SeaTac to Marymoor Park train services, operated by Sound Transit, arrive at Marymoor Village station.
The distance between SeaTac and Marymoor Park is 27.5 km. The road distance is 50 km.
You can take a vehicle from SeaTac/Airport to Marymoor Park via Int'l Dist/Chinatown and Marymoor Village in around 1h 52m.