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SeaTac to Birch Bay buses

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Trip Overview

The average bus between SeaTac and Birch Bay takes 11h 50m and the fastest bus takes 5h 55m. There is at least one bus per day from SeaTac to Birch Bay. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

11h 50m
Duration
128 mi
Distance
$26
Average price
Once daily
Frequency

SeaTac to Birch Bay bus times

Buses run once daily between SeaTac and Birch Bay. The earliest departure is at 4:26 AM at night, and the last departure from SeaTac is at 5:26 AM which arrives into Birch Bay at 9:41 AM. All services require a transfer at Bus Wy & Royal Brougham St and take an average of 11h 50m. The schedules shown below are for the next available departures.

Departing Thursday, November 12, 2026

  •  → 

    Sound TransitGreyhound USAWhatcom Transportation AuthorityWhatcom Transportation Authority9h 44m • 3 changes

Departing Friday, November 13, 2026

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    Sound TransitGreyhound USAWhatcom Transportation AuthorityWhatcom Transportation Authority9h 44m • 3 changes

Departing Saturday, November 14, 2026

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    Sound TransitGreyhound USAWhatcom Transportation AuthorityWhatcom Transportation Authority5h 55m • 3 changes

Departing Sunday, November 15, 2026

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    Arrives next day

    Sound TransitGreyhound USAWhatcom Transportation AuthorityWhatcom Transportation Authority28h 15m • 3 changes

Departing Monday, November 16, 2026

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    Sound TransitGreyhound USAWhatcom Transportation AuthorityWhatcom Transportation Authority9h 44m • 3 changes

Departing Tuesday, November 17, 2026

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    Sound TransitGreyhound USAWhatcom Transportation AuthorityWhatcom Transportation Authority9h 44m • 3 changes

Departing Wednesday, November 18, 2026

  •  → 

    Sound TransitGreyhound USAWhatcom Transportation AuthorityWhatcom Transportation Authority9h 44m • 3 changes

Frequently asked questions

Want to know about travelling from SeaTac to Birch Bay? 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 Birch Bay.ExpandLaunch map view
  • Distance: 127.7 mi
  • Duration: 11h 50m

What companies run services between SeaTac, WA, USA and Birch Bay, WA, USA?

You can take a bus from SeaTac Station to Alderson Rd at Birch Bay Dr via Bus Wy & Royal Brougham St, Seattle Bus Station, Bellingham Bus Stop, Fairhaven Transportation Center, and Bellingham Station in around 5h 15m.

Operators