Cheap flights from Portland (PDX) to Koh Samui (USM)

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How to find the cheapest flight from
Portland (PDX) to Koh Samui (USM)

All the information you need to plan the best PDX to USM flight in 2022: compare Portland to Koh Samui flight prices with the expected peak season, weather and rainfall in Koh Samui.
What is the cheapest day to fly round-trip from Portland to Koh Samui?

Travelers have found that booking a Wednesday departure is the best way to save up to 83% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

When is the cheapest time to fly from Portland to Koh Samui (PDX - USM)?

One of the essential ways to save on airfare from Portland to Koh Samui is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 50% on airfare.

Cheap flights from Portland to Koh Samui in July, August 2022

The best prices found for PDX to USM flights for July, August
24 Aug - 31 Aug
$1,705pp
PDX
Portland
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
PDX
Portland
27 Jul - 6 Aug
$2,597pp
PDX
Portland
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
PDX
Portland
24 Aug - 31 Aug
$2,604pp
PDX
Portland
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
PDX
Portland

Portland to Koh Samui 2022 flight deals

Cheap flights to Koh Samui from Portland found for this year
24 Aug - 31 Aug
$1,705pp
PDX
Portland
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
PDX
Portland
18 Dec - 23 Dec
$2,179pp
PDX
Portland
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
PDX
Portland
27 Jul - 6 Aug
$2,597pp
PDX
Portland
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
PDX
Portland

One-way flights to Ko Samui from Portland

The cheapest one-way flights from Portland to Koh Samui
5:05 pm - 5:05 pm
Multiple Airlines
2 Stops
34h 00m
PDX - USM
Multiple Airlines
$1,497
oojo
4:10 pm - 5:05 pm
Multiple Airlines
2 Stops
58h 55m
PDX - USM
Multiple Airlines
$1,892
Kiwi.com
5:25 am - 5:15 am
Japan Airlines
3 Stops
33h 50m
PDX - USM
Japan Airlines
$760
oojo

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portland</span> to <span class="emphasized">Koh Samui</span> flights.

Flight FAQs

From Portland to Koh Samui

Can I find flights from Portland to Koh Samui for under $1,800 on Cheapflights?

Yes, there are multiple flights from Portland to Koh Samui for under $1,800. The cheapest flight booked recently is on Multiple Airlines for just $1,705, but on average you can expect to pay $2,800.

What are the cheapest flights from Portland to Koh Samui?

The cheapest flight price from Portland to Koh Samui is $730. On average you can expect to pay $1,230. The most popular route, (Portland - Ko Samui), can usually be booked for $1,705.

COVID Restrictions

View COVID Travel Restrictions for Koh Samui, Thailand

Do I need a COVID test to fly to Koh Samui from Portland?

Information is based on travel restrictions from Portland to Ko Samui

Most visitors from Portland can enter Ko Samui without restrictions.

COVID-19 testing requirements
Visitors from Portland are not required to present a negative COVID-19 PCR test or antigen result upon entering Ko Samui.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering Ko Samui.

Do I need a test to fly back to Portland from Koh Samui?

Returning to Portland from Ko Samui

COVID-19 testing requirements
Visitors from Ko Samui are not required to present a negative COVID-19 PCR test or antigen result upon entering Portland.

Quarantine requirements
Visitors from Ko Samui are not required to quarantine after entering Portland.

Hide COVID Travel Restrictions for Koh Samui, Thailand

Alternative routes for Portland to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
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