There are 6 ways to get from Portland to Koh Samui Airport (USM) by plane, train, 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 from Portland International Airport
best- Fly from Portland International Airport (PDX) to Koh Samui Airport (USM)PDX - USM
25h 35m฿22,090–85,090Train to Seattle-Tacoma International Airport, fly
cheapest- Take the train from Portland to Tukwila Amtrak
- Fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM)SEA - USM
27h 7m฿15,063–24,337Train to Vancouver International Airport, fly
- Take the train from Portland to Vancouver
- Fly from Vancouver International Airport (YVR) to Koh Samui Airport (USM)YVR - USM
29h 38m฿20,733–45,984Train to Mahlon Sweet Field Airport, fly
- Take the train from Portland to Eugene
- Fly from Mahlon Sweet Field Airport (EUG) to Koh Samui Airport (USM)EUG - USM
28h 58m฿34,552–82,263Bus to Roberts Field-Redmond Municipal Airport, fly
- Take the bus from Cleveland Avenue MAX Station, Gresham to Redmond Hub
- Fly from Roberts Field-Redmond Municipal Airport (RDM) to Koh Samui Airport (USM)RDM - USM
31h 54m฿33,985–77,390Train, bus to Yakima Air Terminal Airport, fly
- Take the train from Portland to Pasco Amtrak Station
- Take the bus from Pasco Intermodal, WA to Yakima Airport
- Fly from Yakima Air Terminal Airport (YKM) to Koh Samui Airport (USM)YKM - USM
33h 57m฿25,603–58,363
Portland International Airport (PDX) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Portland to Koh Samui Airport (USM) is to train and fly which costs ฿15000 - ฿25000 and takes 27h 7m.
The fastest way to get from Portland to Koh Samui Airport (USM) is to fly which takes 25h 35m and costs ฿22000 - ฿85000.
The distance between Portland and Koh Samui Airport (USM) is 12570 km.
It takes approximately 25h 35m to get from Portland to Koh Samui Airport (USM), including transfers.
Koh Samui Airport (USM) is 15h ahead of Portland. It is currently 8:14 PM in Portland and 11:14 AM in Koh Samui Airport (USM).
There are 3109+ hotels available in Koh Samui Airport (USM).
What companies run services between Portland, OR, USA and Koh Samui Airport (USM), Thailand?
Alaska Airlines, Inc., Cathay Pacific, and five other airlines fly from Portland International Airport (PDX) to Koh Samui Airport (USM) 5 times a day.
- Website
- singaporeair.com
Flights from Portland International Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 24h 13m
- When
- Every day
- Estimated price
- ฿27,000–180,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Singapore Changi
- Ave. Duration
- 25h
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿25,000–95,000
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
- ฿19,000–130,000
Flights from Vancouver International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 45m
- 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
- 24h 5m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿29,000–200,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 25h 21m
- When
- Every day
- Estimated price
- ฿31,000–210,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 24h 49m
- When
- Every day
- Estimated price
- ฿30,000–200,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 24h 8m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿28,000–190,000
Flights from Yakima Air Terminal Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Singapore Changi
- Ave. Duration
- 24h 20m
- When
- Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿20,000–140,000
- Website
- cathaypacific.com
Flights from Portland International Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 33h 55m
- When
- Every day
- Estimated price
- ฿25,000–95,000
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
- ฿18,000–60,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–49,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 33h 43m
- When
- Every day
- Estimated price
- ฿29,000–110,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 32h 44m
- When
- Every day
- Estimated price
- ฿28,000–110,000
- Website
- bangkokair.com
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 23h 5m
- When
- Monday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿22,000–85,000
Flights from Portland International Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 32h 57m
- When
- Every day
- Estimated price
- ฿25,000–95,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–49,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 33h 43m
- When
- Every day
- Estimated price
- ฿29,000–110,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 28h 46m
- When
- Every day
- Estimated price
- ฿27,000–110,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 32h 44m
- When
- Every day
- Estimated price
- ฿28,000–110,000
- Website
- hkairlines.com
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 23h 5m
- When
- Monday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿22,000–85,000
Flights from Portland International Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 32h 57m
- When
- Every day
- Estimated price
- ฿25,000–95,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–49,000
Flights from Vancouver International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 28h 15m
- When
- Every day
- Estimated price
- ฿19,000–70,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 33h 43m
- When
- Every day
- Estimated price
- ฿29,000–110,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Hong Kong
- Ave. Duration
- 32h 44m
- When
- Every day
- Estimated price
- ฿28,000–110,000
- Website
- flyscoot.com
Flights from Portland International Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 24h 22m
- When
- Every day
- Estimated price
- ฿27,000–100,000
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Singapore Changi
- Ave. Duration
- 25h
- When
- Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿25,000–95,000
Flights from Vancouver International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 45m
- 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 8m
- When
- Every day
- Estimated price
- ฿32,000–120,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via San Francisco, Singapore Changi
- Ave. Duration
- 24h 58m
- When
- Every day
- Estimated price
- ฿31,000–120,000
- Website
- evaair.com
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 23h 5m
- When
- Monday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿22,000–85,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 24h 10m
- When
- Every day
- Estimated price
- ฿19,000–49,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 28h 29m
- When
- Tuesday
- Estimated price
- ฿33,000–80,000
Flights from Roberts Field-Redmond Municipal Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 25h 36m
- When
- Tuesday
- Estimated price
- ฿32,000–75,000
Flights from Yakima Air Terminal Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 28h 10m
- When
- Tuesday and Thursday
- Estimated price
- ฿23,000–55,000
- Website
- china-airlines.com
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 23h 5m
- When
- Monday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿22,000–85,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 22h 47m
- When
- Every day
- Estimated price
- ฿19,000–65,000
Flights from Vancouver International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 21h
- When
- Every day
- Estimated price
- ฿17,000–60,000
Flights from Mahlon Sweet Field Airport to Koh Samui Airport via Seattle-Tacoma International Airport, Taiwan Taoyuan, Suvarnabhumi
- Ave. Duration
- 28h 46m
- When
- Every day
- Estimated price
- ฿27,000–110,000
- Website
- jal.com
Flights from Portland International Airport to Koh Samui Airport via Vancouver International Airport, Suvarnabhumi
- Ave. Duration
- 23h 5m
- When
- Monday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿22,000–85,000
Flights from Seattle-Tacoma International Airport to Koh Samui Airport via Tokyo Narita, Suvarnabhumi
- Ave. Duration
- 29h
- When
- Every day
- Estimated price
- ฿22,000–65,000
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Portland to Tukwila Amtrak
- Ave. Duration
- 3h 4m
- Frequency
- Every 4 hours
- Estimated price
- ฿850–2,200
- Website
- https://www.amtrak.com/home.html
Train from Portland to Vancouver
- Ave. Duration
- 7h 50m
- Frequency
- Once daily
- Estimated price
- ฿2,600–4,900
- Website
- https://www.amtrak.com/home.html
Train from Portland to Eugene
- Ave. Duration
- 2h 38m
- Frequency
- 3 times a day
- Estimated price
- ฿550–1,000
- Website
- https://www.amtrak.com/home.html
Train from Portland to Pasco Amtrak Station
- Ave. Duration
- 4h 21m
- Frequency
- Twice daily
- Estimated price
- ฿1,700–2,400
- 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/
- Phone
- +1 866-253-5247
- csr@airporter.com
- Website
- grapeline.us
Bus from Pasco Intermodal, WA to Yakima Airport
- Ave. Duration
- 1h 30m
- Frequency
- Twice daily
- Estimated price
- ฿850–1,000
- Website
- https://grapeline.us
- Schedules at
- https://grapeline.us/travel-center/schedule2/
Want to know more about travelling around Thailand
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