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SeaTac to Soap Lake buses

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Trip Overview

The bus between SeaTac and Soap Lake takes 20h 6m. The bus runs, on average, 2 times per week from SeaTac to Soap Lake. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

20h 6m
Duration
221 mi
Distance
$35
Average price
Twice a week
Frequency

SeaTac to Soap Lake bus times

Buses run twice a week between SeaTac and Soap Lake. The service departs SeaTac at 9:45 AM in the morning, which arrives into Soap Lake at 05:51:00. All services require a transfer at Moses Lake and take an average of 20h 6m. The schedules shown below are for the next available departures.

Departing Monday, October 26, 2026

  •  → 

    Arrives next day

    Flixbus USAGrant Transit AuthorityGrant Transit Authority20h 6m • 2 changes

Departing Thursday, October 29, 2026

  •  → 

    Arrives next day

    Flixbus USAGrant Transit AuthorityGrant Transit Authority20h 6m • 2 changes

Frequently asked questions

Want to know about travelling from SeaTac to Soap Lake? 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 SeaTac to Soap Lake.ExpandLaunch map view
  • Distance: 220.6 mi
  • Duration: 20h 6m

What companies run services between SeaTac, WA, USA and Soap Lake, WA, USA?

Flixbus USA operates a bus from Seattle Tacoma Intl Airport to Moses Lake once daily. Tickets cost $30–50 and the journey takes 4h 20m.

Operators