There are 6 ways to get from Portland to Ko Samui by train, plane, or busferry
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 to Koh Samui Airport
best- Take the train from Portland to Tacomatrain
- Fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM)plane SEA - USM
27h 30m฿20,783–67,889Fly Portland International Airport to Nakhon Si Thammarat, bus and ferry
cheapest- Fly from Portland International Airport (PDX) to Nakhon Si Thammarat (NST)plane PDX - NST
- Take the busferry from Nakhon Si Thammarat Airport to Koh Samui Nathon Pierbusferry
31h 53m฿16,937–60,937Fly Portland International Airport to Koh Samui Airport
- Fly from Portland International Airport (PDX) to Koh Samui Airport (USM)plane PDX - USM
25h 29m฿28,987–76,187Train to Vancouver International Airport, fly to Koh Samui Airport
- Take the train from Portland to Vancouvertrain
- Fly from Vancouver International Airport (YVR) to Koh Samui Airport (USM)plane YVR - USM
29h 24m฿21,516–46,487Fly Portland International Airport to Surat Thani, bus and ferry
- Fly from Portland International Airport (PDX) to Surat Thani (URT)plane PDX - URT
- Take the busferry from Surat Thani Airport to Koh Samui Nathon Pierbusferry
28h 35m฿17,171–61,171Train to Mahlon Sweet Field Airport, fly to Koh Samui Airport
- Take the train from Portland to Eugenetrain
- Fly from Mahlon Sweet Field Airport (EUG) to Koh Samui Airport (USM)plane EUG - USM
29h 15m฿24,489–63,492
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 ฿21000 - ฿47000 and takes 29h 24m.
The fastest way to get from Portland to Ko Samui is to fly which takes 25h 29m and costs ฿29000 - ฿80000.
The distance between Portland and Ko Samui is 12711 km.
It takes approximately 27h 30m to get from Portland to Ko Samui, including transfers.
Ko Samui is 15h ahead of Portland. It is currently 5:23 PM in Portland and 8:23 AM in Ko Samui.
There are 3006+ 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) 4 times a day.
- Website
- china-airlines.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 22h 47m
- When
- Every day
- Estimated price
- ฿19,000–70,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿26,000–90,000
Flights from Portland International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 26h 18m
- When
- Every day
- Estimated price
- ฿26,000–95,000
Flights from Vancouver International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 21h
- When
- Every day
- Estimated price
- ฿16,000–60,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 31h 27m
- When
- Every day
- Estimated price
- ฿22,000–75,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Portland International Airport, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 39m
- When
- Every day
- Estimated price
- ฿20,000–70,000
- 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
- ฿20,000–130,000
Flights from Portland International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 24h 5m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿29,000–180,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Singapore Changi
- Ave. Duration
- 24h 55m
- When
- Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿29,000–100,000
Flights from Vancouver International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 45m
- When
- Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿17,000–60,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 23h 58m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿23,000–140,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 26h 58m
- When
- Every day
- Estimated price
- ฿24,000–150,000
- Website
- evaair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–70,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿26,000–90,000
Flights from Portland International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 46m
- When
- Tuesday and Thursday
- Estimated price
- ฿28,000–75,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 28h 45m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿20,000–75,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Portland International Airport, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 39m
- When
- Every day
- Estimated price
- ฿20,000–70,000
- Website
- bangkokair.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–70,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿26,000–90,000
Flights from Portland International Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 26h 43m
- When
- Every day
- Estimated price
- ฿26,000–95,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 31h 27m
- When
- Every day
- Estimated price
- ฿22,000–75,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Portland International Airport, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 39m
- When
- Every day
- Estimated price
- ฿20,000–70,000
- Website
- hkairlines.com
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–70,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿26,000–90,000
Flights from Vancouver International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 28h 15m
- When
- Every day
- Estimated price
- ฿15,000–47,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Portland International Airport, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 39m
- When
- Every day
- Estimated price
- ฿20,000–70,000
- 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
- ฿22,000–65,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿26,000–90,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Portland International Airport, Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 25h 39m
- When
- Every day
- Estimated price
- ฿20,000–70,000
- Website
- flyscoot.com
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Singapore Changi
- Ave. Duration
- 24h 55m
- When
- Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿29,000–100,000
Flights from Vancouver International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 45m
- When
- Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿17,000–60,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 29h 52m
- When
- Every day
- Estimated price
- ฿24,000–85,000
- Website
- airasia.com
Flights from Portland International Airport to Surat Thani via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 22h 50m
- When
- Every day
- Estimated price
- ฿16,000–60,000
Flights from Portland International Airport to Nakhon Si Thammarat via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 26h
- When
- Every day
- Estimated price
- ฿16,000–60,000
Flights from Portland International Airport to Nakhon Si Thammarat via San Francisco, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 25h 8m
- When
- Every day
- Estimated price
- ฿18,000–65,000
- 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
- ฿19,000–60,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–70,000
- Website
- lionairthai.com
Flights from Portland International Airport to Nakhon Si Thammarat via San Francisco, Taiwan Taoyuan, Don Muang
- Ave. Duration
- 31h 30m
- When
- Saturday
- Estimated price
- ฿18,000–65,000
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
- ฿750–1,700
- Website
- https://www.amtrak.com/home.html
Train from Portland to Vancouver
- Ave. Duration
- 7h 50m
- Frequency
- Once daily
- Estimated price
- ฿2,400–4,200
- Website
- https://www.amtrak.com/home.html
Train from Portland to Eugene
- Ave. Duration
- 2h 38m
- Frequency
- 3 times a day
- Estimated price
- ฿550–1,100
- Website
- https://www.amtrak.com/home.html
- 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
Busferry from Nakhon Si Thammarat Airport to Koh Samui Nathon Pier
- Ave. Duration
- 3h 15m
- Frequency
- Twice daily
- Estimated price
- ฿850
- Schedules at
- lomprayah.com
Want to know more about travelling around Thailand
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Why you should take the train in the US
Read the travel guide







