The average train between Sr 520 & NE 40th St and SeaTac takes 1h 12m and the fastest train takes 1h 10m. The train runs at least 4 times per hour from Sr 520 & NE 40th St 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.
Trains run every 15 minutes between Sr 520 & NE 40th St and SeaTac. The earliest departure is at 9:17 AM in the morning, and the last departure from Sr 520 & NE 40th St is at 5:00 PM which arrives into SeaTac at 6:10 PM. All services require a transfer, and take on average 1h 12m. The schedules shown below are for the next available departures.

1h 11m • 1 change

1h 17m • 1 change

1h 15m • 1 change

1h 13m • 1 change
Want to know about travelling from Sr 520 & NE 40th St 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 train from Sr 520 & NE 40th St to SeaTac. However, there are services departing from Sr 520 & NE 40th St station and arriving at SeaTac station via Int'l Dist/Chinatown. The journey, including transfers, takes approximately 1h 12m.
Sr 520 & NE 40th St to SeaTac train services, operated by Sound Transit, depart from Redmond Technology station.
Sr 520 & NE 40th St to SeaTac train services, operated by Sound Transit, arrive at SeaTac/Airport station.
The distance between Sr 520 & NE 40th St and SeaTac is 24.8 km. The road distance is 44 km.
You can take a vehicle from Redmond Technology to SeaTac/Airport via Int'l Dist/Chinatown in around 1h 14m.