There are 6 ways to get from Seattle to Ko Samui by plane, train, ferry, or shuttle
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
26h 20m฿18,281–25,331Fly 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
27h 30m฿18,164–43,164Train to Vancouver International Airport, fly to Koh Samui Airport
- Take the train from Seattle to Vancouvertrain
- Fly from Vancouver International Airport (YVR) to Koh Samui Airport (USM)plane YVR - USM
27h 45m฿22,217–59,963Fly Seattle-Tacoma International Airport 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
30h 10m฿18,441–43,441Fly King County International Airport to Koh Samui Airport
- Fly from King County International Airport (BFI) to Koh Samui Airport (USM)plane BFI - USM
30h 29m฿22,281–80,331Shuttle 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
31h 26m฿24,220–72,221
Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) flights
Comparing Your Travel Options
The cheapest way to get from Seattle to Ko Samui is to fly which costs ฿18000 - ฿26000 and takes 26h 20m.
The fastest way to get from Seattle to Ko Samui is to fly which takes 26h 20m and costs ฿18000 - ฿26000.
The distance between Seattle and Ko Samui is 12472 km.
It takes approximately 26h 20m to get from Seattle to Ko Samui, including transfers.
Ko Samui is 14h ahead of Seattle. It is currently 8:41 AM in Seattle and 10:41 PM in Ko Samui.
There are 3301+ hotels available in Ko Samui.
What companies run services between Seattle, WA, USA and Ko Samui, Thailand?
Singapore Airlines, Bangkok Airways, and three 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
- Ave. Duration
- 23h 28m
- When
- Every day
- Estimated price
- ฿14,000–45,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Tokyo Haneda, Suvarnabhumi
- Ave. Duration
- 28h 10m
- When
- Every day
- Estimated price
- ฿14,000–110,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 31h 50m
- When
- Every day
- Estimated price
- ฿19,000–47,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 23h 20m
- When
- Every day
- Estimated price
- ฿16,000–41,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Tokyo Haneda, Suvarnabhumi
- Ave. Duration
- 26h 50m
- When
- Every day
- Estimated price
- ฿14,000–110,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 30h 30m
- When
- Every day
- Estimated price
- ฿19,000–46,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Hong Kong, Suvarnabhumi
- Ave. Duration
- 32h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿14,000–45,000
- 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, Friday, and Saturday
- Estimated price
- ฿13,000–47,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Shanghai Pudong, Don Muang
- Ave. Duration
- 25h 55m
- When
- Monday and Saturday
- Estimated price
- ฿13,000–46,000
Flights from Seattle-Tacoma International Airport to Nakhon Si Thammarat via Taiwan Taoyuan, Don Muang
- Ave. Duration
- 27h 2m
- When
- Monday, Wednesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿13,000–46,000
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
- ฿13,000–46,000
- Website
- china-airlines.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 21h 25m
- When
- Monday, Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿19,000–55,000
Flights from Vancouver International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 21h
- When
- Every day
- Estimated price
- ฿19,000–55,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 40m
- When
- Monday, Tuesday, and Friday
- Estimated price
- ฿22,000–80,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 26h 17m
- When
- Sunday
- Estimated price
- ฿23,000–70,000
- Website
- singaporeair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 25m
- When
- Tuesday to Sunday
- Estimated price
- ฿18,000–110,000
Flights from Vancouver International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 40m
- When
- Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿19,000–70,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 24h 51m
- When
- Tuesday to Sunday
- Estimated price
- ฿23,000–130,000
- Website
- hkairlines.com
Flights from Vancouver International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 28h 30m
- When
- Every day
- Estimated price
- ฿19,000–55,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 40m
- When
- Monday, Tuesday, and Friday
- Estimated price
- ฿22,000–80,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver International Airport, Hong Kong
- Ave. Duration
- 36h 10m
- When
- Monday, Tuesday, and Friday
- Estimated price
- ฿22,000–80,000
- Website
- bangkokair.com
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 40m
- When
- Monday, Tuesday, and Friday
- Estimated price
- ฿22,000–80,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver International Airport, Hong Kong
- Ave. Duration
- 36h 10m
- When
- Monday, Tuesday, and Friday
- Estimated price
- ฿22,000–80,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 26h 17m
- When
- Sunday
- Estimated price
- ฿23,000–70,000
- Website
- jal.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 29h 10m
- When
- Every day
- Estimated price
- ฿24,000–60,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 40m
- When
- Monday, Tuesday, and Friday
- Estimated price
- ฿22,000–80,000
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Seattle to Vancouver
- Ave. Duration
- 4h
- Frequency
- Twice daily
- Estimated price
- ฿2,800–4,500
- Website
- Amtrak
- Phone
- +1 866-235-5247
- [email protected]
- 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
- [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
- ฿330
- 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
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