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How to get fromSeattle Airport (SEA) to Ko Samuiby plane, ferry, or busferry

Find Transport to Ko Samui

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There are 4 ways to get from Seattle Airport (SEA) to Ko Samui by plane, ferry, or busferry

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly to Koh Samui Airport

    best
    1. Fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM)plane plane SEA - USM
    20h 57m
    ฿24,198–57,618

  2. Fly to Suvarnabhumi Airport, ferry

    cheapest
    1. Fly from Seattle-Tacoma International Airport (SEA) to Suvarnabhumi Airport (BKK)plane plane SEA - BKK
    2. Take the ferry from Boonsiri Khao San office to Koh Samui Transferferry ferry
    32h 39m
    ฿16,240–31,153

  3. Fly to Surat Thani, ferry

    1. Fly from Seattle-Tacoma International Airport (SEA) to Surat Thani (URT)plane plane SEA - URT
    2. Take the ferry from Surat Thani Airport to Boonsiri Ferry Nathon Pier Koh Samuiferry ferry
    28h
    ฿18,390–44,359

  4. Fly to Nakhon Si Thammarat, bus and ferry

    1. Fly from Seattle-Tacoma International Airport (SEA) to Nakhon Si Thammarat (NST)plane plane SEA - NST
    2. Take the busferry from Nakhon Si Thammarat Airport to Koh Samui Nathon Pierbusferry bus ferry
    26h 30m
    ฿19,643–46,451

Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) flights

Calendar38Weekly Planes
Duration24h 40mAverage Duration
Ticket฿20,770Cheapest Price
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Questions & Answers

Map of how to get from Seattle Airport (SEA) to Ko Samui.ExpandLaunch map view
  • Distance: 12,449.3 km
  • Duration: 20h 57m

What companies run services between Seattle Airport (SEA), USA and Ko Samui, Thailand?

Singapore Airlines, Bangkok Airways, and six other airlines fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) 5 times a day.

Airlines
Bus operators
Ferry operators

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