There are 5 ways to get from Portland to Ko Samui by train, plane, 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.
Train to Seattle-Tacoma International Airport, fly
best- Take the train from Portland to Tacomatrain
- Fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM)plane SEA - USM
27h 25m฿20,235–63,862Fly from Portland International Airport
- Fly from Portland International Airport (PDX) to Koh Samui Airport (USM)plane PDX - USM
24h 59m฿23,992–91,192Train to Vancouver International Airport, fly
- Take the train from Portland to Vancouvertrain
- Fly from Vancouver International Airport (YVR) to Koh Samui Airport (USM)plane YVR - USM
28h 39m฿23,026–50,695Train to Mahlon Sweet Field Airport, fly
- Take the train from Portland to Eugenetrain
- Fly from Mahlon Sweet Field Airport (EUG) to Koh Samui Airport (USM)plane EUG - USM
28h 16m฿23,998–74,765Bus to Roberts Field-Redmond Municipal Airport, fly
- Take the bus from Cleveland Avenue MAX Station, Gresham to Redmond Hubbus
- Fly from Roberts Field-Redmond Municipal Airport (RDM) to Koh Samui Airport (USM)plane RDM - USM
31h 10m฿24,807–88,292
Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Portland to Ko Samui is to train and fly which costs ฿23000 - ฿55000 and takes 28h 39m.
The fastest way to get from Portland to Ko Samui is to fly which takes 24h 59m and costs ฿24000 - ฿95000.
The distance between Portland and Ko Samui is 12711 km.
It takes approximately 27h 25m to get from Portland to Ko Samui, including transfers.
Ko Samui is 14h ahead of Portland. It is currently 10:08 PM in Portland and 12:08 PM in Ko Samui.
There are 3141+ hotels available in Ko Samui.
What companies run services between Portland, OR, USA and Ko Samui, Thailand?
Air Canada, Bangkok Airways, and six other airlines fly from Portland International Airport (PDX) to Koh Samui Airport (USM) 3 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 Portland International Airport to Koh Samui Airport via Vancouver International Airport, Singapore Changi
- Ave. Duration
- 22h 40m
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿26,000–100,000
Flights from Portland International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 23h 52m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿26,000–160,000
Flights from Vancouver International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 19h 35m
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 25h 2m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿22,000–140,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 25h 17m
- When
- Every day
- Estimated price
- ฿24,000–90,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 24h 51m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿22,000–140,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 25h 4m
- When
- Every day
- Estimated price
- ฿24,000–90,000
- 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 Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 5m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿23,000–90,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 25h 10m
- When
- Every day
- Estimated price
- ฿24,000–90,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 34h 54m
- When
- Every day
- Estimated price
- ฿22,000–85,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 27h 59m
- When
- Every day
- Estimated price
- ฿22,000–85,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 24h 55m
- When
- Every day
- Estimated price
- ฿24,000–90,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 34h 52m
- When
- Every day
- 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 Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 5m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿23,000–90,000
Flights from Portland International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 27h 21m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- ฿24,000–90,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 28h 29m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿20,000–80,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 27h 57m
- When
- Every day
- Estimated price
- ฿22,000–85,000
- 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 Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 5m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿23,000–90,000
Flights from Vancouver International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 20h 25m
- When
- Monday, Wednesday, and Friday
- Estimated price
- ฿16,000–60,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 34h 54m
- When
- Every day
- Estimated price
- ฿22,000–85,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 34h 52m
- When
- Every day
- Estimated price
- ฿22,000–85,000
- 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 Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 5m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿23,000–90,000
Flights from Portland International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 25h 15m
- When
- Monday, Tuesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿24,000–100,000
Flights from Vancouver International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 20h 45m
- When
- Every day
- Estimated price
- ฿16,000–70,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 27h 59m
- When
- Every day
- Estimated price
- ฿22,000–85,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 26h 31m
- When
- Monday, Tuesday, Thursday, and Sunday
- Estimated price
- ฿21,000–90,000
- Website
- flyscoot.com
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Singapore Changi
- Ave. Duration
- 22h 40m
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿26,000–100,000
Flights from Vancouver International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 19h 35m
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 25h 24m
- When
- Every day
- Estimated price
- ฿24,000–90,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 25h 22m
- When
- Every day
- Estimated price
- ฿24,000–90,000
- Website
- philippineairlines.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Manila, Suvarnabhumi
- Ave. Duration
- 26h 10m
- When
- Tuesday, Wednesday, and Friday
- Estimated price
- ฿17,000–65,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 5m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿23,000–90,000
- 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
- ฿21,000–80,000
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Portland to Tacoma
- Ave. Duration
- 2h 33m
- Frequency
- Every 4 hours
- Estimated price
- ฿1,200–2,700
- Website
- https://www.amtrak.com/home.html
Train from Portland to Vancouver
- Ave. Duration
- 7h 50m
- Frequency
- Once daily
- Estimated price
- ฿2,900–6,500
- Website
- https://www.amtrak.com/home.html
Train from Portland to Eugene
- Ave. Duration
- 2h 38m
- Frequency
- 3 times a day
- Estimated price
- ฿1,100–2,400
- Website
- https://www.amtrak.com/home.html
- Phone
- (541) 389-7469
- info@cobreeze.com
- Website
- cobreeze.com
Bus from Cleveland Avenue MAX Station, Gresham to Redmond Hub
- Ave. Duration
- 2h 45m
- Frequency
- 6 times a week
- Estimated price
- ฿1,800–1,950
- Website
- https://cobreeze.com/
- Schedules at
- https://cobreeze.com/schedule/
Want to know more about travelling around Thailand
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