Rome2Rio

How to get fromPortland to Koh Samui Airport (USM)by plane, train or bus

Find Transport to Koh Samui Airport (USM)

See all options

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.

  1. Fly from Portland International Airport

    best
    1. Fly from Portland International Airport (PDX) to Koh Samui Airport (USM)planePDX - USM
    25h 35m
    ฿22,090–85,090

  2. Train to Seattle-Tacoma International Airport, fly

    cheapest
    1. Take the train from Portland to Tukwila Amtraktrain
    2. Fly from Seattle-Tacoma International Airport (SEA) to Koh Samui Airport (USM)planeSEA - USM
    27h 7m
    ฿15,061–24,339

  3. Train to Vancouver International Airport, fly

    1. Take the train from Portland to Vancouvertrain
    2. Fly from Vancouver International Airport (YVR) to Koh Samui Airport (USM)planeYVR - USM
    29h 38m
    ฿20,743–45,984

  4. Train to Mahlon Sweet Field Airport, fly

    1. Take the train from Portland to Eugenetrain
    2. Fly from Mahlon Sweet Field Airport (EUG) to Koh Samui Airport (USM)planeEUG - USM
    28h 58m
    ฿34,550–82,264

  5. Bus to Roberts Field-Redmond Municipal Airport, fly

    1. Take the bus from Cleveland Avenue MAX Station, Gresham to Redmond Hubbus
    2. Fly from Roberts Field-Redmond Municipal Airport (RDM) to Koh Samui Airport (USM)planeRDM - USM
    31h 54m
    ฿33,985–77,390

  6. Train, bus to Yakima Air Terminal Airport, fly

    1. Take the train from Portland to Pasco Amtrak Stationtrain
    2. Take the bus from Pasco Intermodal, WA to Yakima Airportbus
    3. Fly from Yakima Air Terminal Airport (YKM) to Koh Samui Airport (USM)planeYKM - USM
    33h 57m
    ฿25,603–58,117

Portland International Airport (PDX) to Koh Samui Airport (USM) flights

Calendar37Weekly Planes
Duration27h 23mAverage Duration
Ticket฿22,710Cheapest Price
See schedules

Questions & Answers

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.

Airlines
Train operators
Bus operators

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

Where to next?

Trips from Portland

Trips to Koh Samui Airport (USM)

Popular routes