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 33m฿19,095–61,295Fly 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 54m฿12,495–42,575Fly Seattle Lake Union SPB to Koh Samui Airport
- Fly from Seattle Lake Union SPB (LKE) to Koh Samui Airport (USM)plane LKE - USM
32h 2m฿29,989–111,189Shuttle 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
29h 48m฿21,863–78,080
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 and ferry which costs ฿12000 - ฿43000 and takes 27h 54m.
The fastest way to get from Seattle to Ko Samui is to fly which takes 24h 33m and costs ฿19000 - ฿65000.
The distance between Seattle and Ko Samui is 12474 km.
It takes approximately 24h 33m to get from Seattle to Ko Samui, including transfers.
Ko Samui is 14h ahead of Seattle. It is currently 10:59 PM in Seattle and 12:59 PM in Ko Samui.
There are 1615+ 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
- 21h 25m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿18,000–120,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 23h 30m
- When
- Every day
- Estimated price
- ฿18,000–90,000
Flights from Seattle Lake Union SPB to Koh Samui Airport via Victoria Inner Harbour Apt, Vancouver, Singapore Changi
- Ave. Duration
- 29h 45m
- When
- Tuesday, Thursday, and Friday
- Estimated price
- ฿32,000–120,000
Flights from Seattle Lake Union SPB to Koh Samui Airport via Coal Harbour Spb, Nanaimo, Vancouver, Singapore Changi
- Ave. Duration
- 31h 45m
- When
- Tuesday, Thursday, and Friday
- Estimated price
- ฿32,000–120,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 25h 50m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿21,000–140,000
Flights from Bellingham International Airport to Koh Samui Airport via Portland, Vancouver, Singapore Changi
- Ave. Duration
- 25h 24m
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿22,000–85,000
- Website
- evaair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 22h 22m
- When
- Every day
- Estimated price
- ฿18,000–90,000
Flights from Bellingham International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 9m
- When
- Monday, Wednesday, and Saturday
- 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 25m
- When
- Monday, Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿17,000–65,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 23h 30m
- When
- Every day
- Estimated price
- ฿18,000–90,000
Flights from Bellingham International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 9m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿20,000–75,000
- Website
- china-airlines.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 23h 30m
- When
- Every day
- Estimated price
- ฿18,000–90,000
Flights from Bellingham International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 27h 26m
- When
- Monday, Tuesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿20,000–85,000
Flights from Bellingham International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 9m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿20,000–75,000
- Website
- flyscoot.com
Flights from Seattle Lake Union SPB to Koh Samui Airport via Victoria Inner Harbour Apt, Vancouver, Singapore Changi
- Ave. Duration
- 29h 45m
- When
- Tuesday, Thursday, and Friday
- Estimated price
- ฿32,000–120,000
Flights from Seattle Lake Union SPB to Koh Samui Airport via Coal Harbour Spb, Nanaimo, Vancouver, Singapore Changi
- Ave. Duration
- 31h 45m
- When
- Tuesday, Thursday, and Friday
- Estimated price
- ฿32,000–120,000
Flights from Bellingham International Airport to Koh Samui Airport via Portland, Vancouver, Singapore Changi
- Ave. Duration
- 25h 24m
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿22,000–85,000
- Website
- lionairthai.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Shanghai Pudong, Don Muang
- Ave. Duration
- 25h 45m
- When
- Wednesday, Friday, and Saturday
- Estimated price
- ฿12,000–45,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Taiwan Taoyuan, Don Muang
- Ave. Duration
- 25h 50m
- When
- Tuesday to Saturday
- Estimated price
- ฿12,000–46,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Hong Kong, Don Muang
- Ave. Duration
- 30h
- When
- Tuesday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿12,000–46,000
- Website
- philippineairlines.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Manila, Suvarnabhumi
- Ave. Duration
- 26h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from Bellingham International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 9m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿20,000–75,000
- Website
- bangkokair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 23h 30m
- When
- Every day
- Estimated price
- ฿18,000–90,000
Flights from Bellingham International Airport to Koh Samui Airport via Portland, Vancouver, Suvarnabhumi
- Ave. Duration
- 25h 9m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿20,000–75,000
- Website
- vietjetair.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 21h 37m
- When
- Monday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿12,000–65,000
- Website
- airasia.com
Flights from Seattle-Tacoma International Airport to Surat Thani via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 29h 40m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- ฿15,000–60,000
Flights from Seattle-Tacoma International Airport to Surat Thani via Hong Kong, Suvarnabhumi
- Ave. Duration
- 31h 10m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿12,000–46,000
- Website
- jal.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 28h 15m
- When
- Every day
- Estimated price
- ฿21,000–85,000
- Phone
- +1 866-235-5247
- shuttle@airporter.com
- Website
- airporter.com
Shuttle from Seattle, WA - Convention Center to Bellingham Airport
- Ave. Duration
- 2h 15m
- Frequency
- 3 times a day
- Estimated price
- ฿950–2,000
- Schedules at
- airporter.com
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Surat Thani Airport to Boonsiri Ferry Nathon Pier Koh Samui
- Ave. Duration
- 2h 30m
- Frequency
- Twice daily
- Estimated price
- ฿300–380
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
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