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Washington to SeaTac buses

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Trip Overview

The average bus between Washington and SeaTac takes 3d 11h and the fastest bus takes 3d 10h. The bus runs, on average, 3 times per week from Washington 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.

3d 11h
Duration
3,122 mi
Distance
$664
Average price
3 times a week
Frequency

Washington to SeaTac bus times

Buses run 3 times a week between Washington and SeaTac. The service departs Washington at 5:50 PM in the evening, which arrives into SeaTac at 01:23:00. All services require a transfer at Chicago Bus Station and take an average of 3d 11h. The schedules shown below are for the next available departures.

Departing Friday, October 30, 2026

  •  → 

    Arrives +4 days

    Greyhound USAGreyhound USAGreyhound USASound Transit3d 11h • 3 changes

Departing Saturday, October 31, 2026

  •  → 

    Arrives +4 days

    Greyhound USAGreyhound USAGreyhound USASound Transit3d 11h • 3 changes

Departing Sunday, November 1, 2026

  •  → 

    Arrives +4 days

    Greyhound USAGreyhound USAGreyhound USASound Transit3d 10h • 3 changes

Frequently asked questions

Want to know about travelling from Washington 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.

Map of how to get from Washington to SeaTac.ExpandLaunch map view
  • Distance: 3,121.6 mi
  • Duration: 3d 11h

What companies run services between Washington, DC, USA and SeaTac, WA, USA?

You can take a bus from Washington Union Station to SeaTac Station via Chicago Bus Station, Denver Union Station, Seattle Bus Station, and Bus Wy & Royal Brougham St in around 2d 22h.

Operators