There are 4 ways to get from Seattle Airport (SEA) to Ko Samui by plane 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 to Koh Samui Airport
best- Fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM)plane SEA - USM
23h 45m฿18,731–25,170Fly 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
24h 55m฿15,034–45,392Fly to Nakhon Si Thammarat, ferry
- Fly from Seattle-Tacoma International Airport (SEA) to Nakhon Si Thammarat (NST)plane SEA - NST
- Take the ferry from Nakhon Si Thammarat Airport to Lomprayah Nathon Pierferry
27h 35m฿15,302–45,622Fly to Suvarnabhumi Airport, ferry
- Fly from Seattle-Tacoma International Airport (SEA) to Suvarnabhumi Airport (BKK)plane SEA - BKK
- Take the ferry from Bangkok Khao San to Koh Tao Pierferry
- Take the ferry from Koh Tao Songserm to Na Thon Koh Samui Songsermferry
28h 38m฿15,595–18,991
Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) flights
Comparing Your Travel Options
The cheapest way to get from Seattle Airport (SEA) to Ko Samui is to fly and ferry which costs ฿15000 - ฿19000 and takes 28h 38m.
The fastest way to get from Seattle Airport (SEA) to Ko Samui is to fly which takes 23h 45m and costs ฿18000 - ฿26000.
The distance between Seattle Airport (SEA) and Ko Samui is 12449 km.
It takes approximately 23h 45m to get from Seattle Airport (SEA) to Ko Samui, including transfers.
Ko Samui is 15h ahead of Seattle Airport (SEA). It is currently 7:09 AM in Seattle Airport (SEA) and 10:09 PM in Ko Samui.
There are 3474+ hotels available in Ko Samui.
What companies run services between Seattle Airport (SEA), USA and Ko Samui, Thailand?
Singapore Airlines, Bangkok Airways, and four other airlines fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) 4 times a day.
- Website
- vietjetair.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 23h 28m
- When
- Every day
- Estimated price
- ฿15,000–49,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Tokyo Haneda, Suvarnabhumi Airport
- Ave. Duration
- 28h 10m
- When
- Every day
- Estimated price
- ฿15,000–120,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Tokyo Narita, Suvarnabhumi Airport
- Ave. Duration
- 31h 50m
- When
- Every day
- Estimated price
- ฿19,000–48,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 23h 20m
- When
- Monday, Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿15,000–40,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Tokyo Haneda, Suvarnabhumi Airport
- Ave. Duration
- 26h 50m
- When
- Every day
- Estimated price
- ฿15,000–120,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Tokyo Narita, Suvarnabhumi Airport
- Ave. Duration
- 30h 30m
- When
- Every day
- Estimated price
- ฿19,000–48,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Hong Kong, Suvarnabhumi Airport
- Ave. Duration
- 32h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿14,000–46,000
- Website
- lionairthai.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Taiwan Taoyuan, Don Muang
- Ave. Duration
- 25h 30m
- When
- Monday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿13,000–44,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Shanghai Pudong, Don Muang
- Ave. Duration
- 25h 55m
- When
- Monday and Saturday
- Estimated price
- ฿13,000–44,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Taiwan Taoyuan, Don Muang
- Ave. Duration
- 27h 2m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿13,000–44,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Shanghai Pudong, Don Muang
- Ave. Duration
- 26h 40m
- When
- Monday and Saturday
- Estimated price
- ฿13,000–44,000
- Website
- china-airlines.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 21h 25m
- When
- Monday, Tuesday, and Sunday
- Estimated price
- ฿19,000–55,000
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 18h 40m
- When
- Monday, Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿11,000–30,000
- Website
- evaair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 22h 20m
- When
- Monday, Wednesday, and Friday
- Estimated price
- ฿21,000–55,000
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 19h 35m
- When
- Monday, Wednesday, and Friday
- Estimated price
- ฿12,000–30,000
- Website
- jal.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Tokyo Narita, Suvarnabhumi Airport
- Ave. Duration
- 29h 10m
- When
- Every day
- Estimated price
- ฿24,000–60,000
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Tokyo Narita
- Ave. Duration
- 20h 35m
- When
- Every day
- Estimated price
- ฿14,000–36,000
- Website
- alaskaair.com
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Incheon
- Ave. Duration
- 19h 25m
- When
- Wednesday to Sunday
- Estimated price
- ฿11,000–36,000
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Tokyo Narita
- Ave. Duration
- 20h 35m
- When
- Every day
- Estimated price
- ฿14,000–36,000
- Website
- koreanair.com
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Incheon
- Ave. Duration
- 20h 52m
- When
- Every day
- Estimated price
- ฿9,500–31,000
- Website
- singaporeair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 25m
- When
- Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿19,000–110,000
- Website
- starlux-airlines.com
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 21h 50m
- When
- Every day
- Estimated price
- ฿11,000–37,000
- Website
- ana.co.jp
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Tokyo Haneda
- Ave. Duration
- 22h 30m
- When
- Every day
- Estimated price
- ฿16,100–16,500
- Website
- cathaypacific.com
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Hong Kong
- Ave. Duration
- 22h 50m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿10,000–34,000
- Website
- philippineairlines.com
Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport via Manila
- Ave. Duration
- 23h 35m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿10,000–29,000
- Phone
- +66 9 4724 4555
- [email protected]
- 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
- ฿331
- Book at
- 12 Go
- Website
- Boonsiri Highspeed Ferries
- Phone
- +66 89 873 0008
- [email protected]
- Website
- Lomprayah
Ferry from Surat Thani Airport to Boonsiri Ferry Nathon Pier Koh Samui
- Ave. Duration
- 2h 15m
- Frequency
- Once daily
- Estimated price
- ฿460–2,100
- Schedules at
- Lomprayah
Ferry from Nakhon Si Thammarat Airport to Lomprayah Nathon Pier
- Ave. Duration
- 3h 15m
- Frequency
- Once daily
- Estimated price
- ฿460–2,400
- Schedules at
- Lomprayah
- Phone
- +66 2 247 1047
- [email protected]
- Website
- 12go.co
Ferry from Bangkok Khao San to Koh Tao Pier
- Ave. Duration
- 5h 30m
- Frequency
- Once daily
- Estimated price
- ฿1,200
- Book at
- Nor Phuangphet Transport
- Phone
- +66 86 2730389
- [email protected]
- Website
- Songserm
Ferry from Koh Tao Songserm to Na Thon Koh Samui Songserm
- Ave. Duration
- 1h 35m
- Frequency
- Once daily
- Estimated price
- ฿700–1,300
- Website
- Songserm
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