There are 4 ways to get from Seattle to Ko Samui by plane, shuttle, or ferry
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Seattle-Tacoma International Airport to Koh Samui Airport
best- Fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM)plane SEA - USM
24h 36m฿19,100–26,300Fly Seattle-Tacoma International Airport to Surat Thani, ferry
cheapest- Fly from Seattle-Tacoma International Airport (SEA) to Surat Thani (URT)plane SEA - URT
- Take the ferry from Surat Thani Airport to Boonsiri Ferry Nathon Pier Koh Samuiferry
31h 18m฿16,490–42,550Fly Seattle Lake Union SPB to Koh Samui Airport
- Fly from Seattle Lake Union SPB (LKE) to Koh Samui Airport (USM)plane LKE - USM
32h฿25,000–86,200Shuttle to Bellingham International Airport, fly to Koh Samui Airport
- Take a shuttle bus from Seattle, WA - Convention Center to Bellingham Airport
- Fly from Bellingham International Airport (BLI) to Koh Samui Airport (USM)plane BLI - USM
30h 21m฿23,923–73,058
Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Seattle to Ko Samui is to fly which costs ฿19000 - ฿27000 and takes 24h 36m.
The fastest way to get from Seattle to Ko Samui is to fly which takes 24h 36m and costs ฿19000 - ฿27000.
The distance between Seattle and Ko Samui is 12475 km.
It takes approximately 24h 36m to get from Seattle to Ko Samui, including transfers.
Ko Samui is 14h ahead of Seattle. It is currently 2:46 AM in Seattle and 4:46 PM in Ko Samui.
There are 3350+ hotels available in Ko Samui.
What companies run services between Seattle, WA, 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.
- Website
- singaporeair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 20h 55m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿20,000–120,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 23h 30m
- When
- Every day
- Estimated price
- ฿20,000–60,000
Flights from Seattle Lake Union SPB to Koh Samui Airport via Victoria Inner Harbour Apt, Vancouver, Singapore Changi
- Ave. Duration
- 30h 5m
- When
- Thursday and Friday
- Estimated price
- ฿27,000–90,000
Flights from Seattle Lake Union SPB to Koh Samui Airport via Coal Harbour Spb, Nanaimo, Vancouver, Singapore Changi
- Ave. Duration
- 32h 5m
- When
- Thursday and Friday
- Estimated price
- ฿27,000–95,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 25h 44m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿23,000–140,000
- Phone
- +1 866-235-5247
- shuttle@airporter.com
- Website
- Bellair Airporter
Shuttle from Seattle, WA - Convention Center to Bellingham Airport
- Ave. Duration
- 2h 15m
- Frequency
- 3 times a day
- Estimated price
- ฿1,000–2,000
- Website
- Bellair Airporter
- Schedules at
- Airporter Schedules
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- Boonsiri Highspeed Ferries
Ferry from Surat Thani Airport to Boonsiri Ferry Nathon Pier Koh Samui
- Ave. Duration
- 2h 30m
- Frequency
- 3 times a day
- Estimated price
- ฿290–350
- Book at
- 12 Go
- Website
- Boonsiri Highspeed Ferries
Want to know more about travelling around Thailand
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide


