There are 4 ways to get from Seattle Airport (SEA) to Ko Samui by plane, bus, busferry, 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
21h 17m฿19,375–25,938Fly to Nakhon Si Thammarat, bus and ferry
cheapest- Fly from Seattle-Tacoma International Airport (SEA) to Nakhon Si Thammarat (NST)plane SEA - NST
- Take the busferry from Nakhon Si Thammarat Airport to Koh Samui Nathon Pierbusferry
27h 5m฿14,899–38,571Fly to Surat Thani, bus
- Fly from Seattle-Tacoma International Airport (SEA) to Surat Thani (URT)plane SEA - URT
- Take the bus from Surat Thani Airport to Na Thon Koh Samui Songsermbus
27h฿15,204–39,399Fly to Suvarnabhumi Airport, ferry
- Fly from Seattle-Tacoma International Airport (SEA) to Suvarnabhumi Airport (BKK)plane SEA - BKK
- Take the ferry from Boonsiri Khao San office to Koh Samui Transferferry
33h 29m฿15,948–20,392
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 - ฿21000 and takes 33h 29m.
The fastest way to get from Seattle Airport (SEA) to Ko Samui is to fly which takes 21h 17m and costs ฿19000 - ฿26000.
The distance between Seattle Airport (SEA) and Ko Samui is 12449 km.
It takes approximately 21h 17m to get from Seattle Airport (SEA) to Ko Samui, including transfers.
Ko Samui is 14h ahead of Seattle Airport (SEA). It is currently 2:05 AM in Seattle Airport (SEA) and 4:05 PM in Ko Samui.
There are 3416+ hotels available in Ko Samui.
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) every 4 hours.
- Website
- lionairthai.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Taiwan Taoyuan, Don Muang
- Ave. Duration
- 26h 10m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿13,000–47,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Hong Kong, Don Muang
- Ave. Duration
- 30h
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿14,000–43,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Manila, Don Muang
- Ave. Duration
- 24h 30m
- When
- Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿14,000–39,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Taiwan Taoyuan, Don Muang
- Ave. Duration
- 27h 7m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿12,000–46,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Hong Kong, Don Muang
- Ave. Duration
- 30h 35m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿14,000–42,000
- Phone
- +66 86 2730389
- [email protected]
- Website
- Songserm
Bus from Surat Thani Airport to Na Thon Koh Samui Songserm
- Ave. Duration
- 1h 30m
- Frequency
- Once daily
- Estimated price
- ฿850
- Website
- Songserm
- Phone
- +66 9 4724 4555
- [email protected]
- Website
- Boonsiri Highspeed Ferries
Ferry from Boonsiri Khao San office to Koh Samui Transfer
- Ave. Duration
- 13h 45m
- Frequency
- Once daily
- Estimated price
- ฿1,595–1,610
- Book at
- 12 Go
- Website
- Boonsiri Highspeed Ferries
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