There are 5 ways to get from Seattle to Ko Samui by plane, busferry, or bus
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฿15,090–23,290Fly Seattle-Tacoma International Airport to Surat Thani, bus and ferry
cheapest- Fly from Seattle-Tacoma International Airport (SEA) to Surat Thani (URT)plane SEA - URT
- Take the busferry from Surat Thani Airport to Koh Samui Nathon Pierbusferry
27h 57m฿13,274–43,274Fly Seattle Lake Union SPB to Koh Samui Airport
- Fly from Seattle Lake Union SPB (LKE) to Koh Samui Airport (USM)plane LKE - USM
32h 32m฿22,987–76,187Fly King County International Airport to Koh Samui Airport
- Fly from King County International Airport (BFI) to Koh Samui Airport (USM)plane BFI - USM
28h 10m฿20,987–76,187Bus to Bellingham International Airport, fly to Koh Samui Airport
- Take the bus from Seattle, WA - Convention centre to Bellingham Airportbus
- Fly from Bellingham International Airport (BLI) to Koh Samui Airport (USM)plane BLI - USM
29h 22m฿23,851–62,223
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 ฿15000 - ฿24000 and takes 24h 36m.
The fastest way to get from Seattle to Ko Samui is to fly which takes 24h 36m and costs ฿15000 - ฿24000.
The distance between Seattle and Ko Samui is 12474 km.
It takes approximately 24h 36m to get from Seattle to Ko Samui, including transfers.
Ko Samui is 15h ahead of Seattle. It is currently 9:00 PM in Seattle and 12:00 PM in Ko Samui.
There are 2956+ hotels available in Ko Samui.
What companies run services between Seattle, WA, USA and Ko Samui, Thailand?
Singapore Airlines, Bangkok Airways, and five other airlines fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) 5 times a day.
- Website
- evaair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 21h 55m
- When
- Monday, Wednesday, and Friday
- Estimated price
- ฿20,000–55,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 15m
- When
- Saturday and Sunday
- Estimated price
- ฿20,000–75,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Hong Kong, Suvarnabhumi
- Ave. Duration
- 32h 13m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿22,000–65,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 33h 2m
- When
- Tuesday and Thursday
- Estimated price
- ฿22,000–60,000
- 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
- ฿19,000–70,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 15m
- When
- Saturday and Sunday
- Estimated price
- ฿20,000–75,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Hong Kong, Suvarnabhumi
- Ave. Duration
- 32h 13m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿22,000–65,000
- Website
- singaporeair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 20m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿21,000–140,000
Flights from Seattle Lake Union SPB to Koh Samui Airport via Victoria Inner Harbour Apt, Vancouver, Singapore Changi
- Ave. Duration
- 32h 20m
- When
- Tuesday to Friday
- Estimated price
- ฿24,000–90,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver, Singapore Changi
- Ave. Duration
- 27h 35m
- When
- Sunday
- Estimated price
- ฿23,000–85,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 24h 50m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿23,000–150,000
- Website
- bangkokair.com
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 15m
- When
- Saturday and Sunday
- Estimated price
- ฿20,000–75,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Hong Kong, Suvarnabhumi
- Ave. Duration
- 32h 13m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿22,000–65,000
- Website
- airasia.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Tokyo Haneda, Suvarnabhumi
- Ave. Duration
- 26h 10m
- When
- Every day
- Estimated price
- ฿12,000–110,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 29h 25m
- When
- Every day
- Estimated price
- ฿14,000–44,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Hong Kong, Don Muang
- Ave. Duration
- 30h 20m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿13,000–39,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Hong Kong, Suvarnabhumi
- Ave. Duration
- 31h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿13,000–39,000
- Website
- hkairlines.com
Flights from Seattle Lake Union SPB to Koh Samui Airport via Victoria Inner Harbour Apt, Vancouver, Hong Kong
- Ave. Duration
- 40h 55m
- When
- Monday to Saturday
- Estimated price
- ฿22,000–75,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 15m
- When
- Saturday and Sunday
- Estimated price
- ฿20,000–75,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Hong Kong, Suvarnabhumi
- Ave. Duration
- 31h 55m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿22,000–65,000
- Website
- jal.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 28h 35m
- When
- Every day
- Estimated price
- ฿23,000–70,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 15m
- When
- Saturday and Sunday
- Estimated price
- ฿20,000–75,000
- Website
- cathaypacific.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Hong Kong, Suvarnabhumi
- Ave. Duration
- 29h 20m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿20,000–60,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Hong Kong, Suvarnabhumi
- Ave. Duration
- 31h 55m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿22,000–65,000
- Website
- flyscoot.com
Flights from Seattle Lake Union SPB to Koh Samui Airport via Victoria Inner Harbour Apt, Vancouver, Singapore Changi
- Ave. Duration
- 32h 20m
- When
- Tuesday to Friday
- Estimated price
- ฿24,000–90,000
Flights from King County International Airport to Koh Samui Airport via Portland, Vancouver, Singapore Changi
- Ave. Duration
- 27h 35m
- When
- Sunday
- Estimated price
- ฿23,000–85,000
- Website
- vietjetair.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 22h 2m
- When
- Every day
- Estimated price
- ฿12,000–42,000
- Website
- lionairthai.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Shanghai Pudong, Don Muang
- Ave. Duration
- 31h 5m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- ฿12,000–43,000
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Surat Thani Airport to Koh Samui Nathon Pier
- Ave. Duration
- 2h 15m
- Frequency
- Twice daily
- Estimated price
- ฿1,084
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
- Phone
- +1 800.665.2122
- rez@quickcoach.com
- Website
- quickcoach.com
Bus from Seattle, WA - Convention centre to Bellingham Airport
- Ave. Duration
- 2h 8m
- Frequency
- 3 times a day
- Estimated price
- ฿950–1,200
- Schedules at
- quickcoach.com
- Adult
- ฿950–1,200
Want to know more about travelling around Thailand
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