Ko Samui

$1,185+ Cheap flights from Portland (PDX) to Ko Samui (USM)

PDX — USM
Dec 14 — Dec 211
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Ko Samui with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Ko Samui

Cheapest flights from Portland to Ko Samui

Tue 12/17:00 am -
2 stops45h 35m
Fri 12/1111:40 am -
2 stops41h 10m
Deal found 11/12$2,368
Tue 12/17:30 am -
3 stops33h 15m
Fri 12/1111:40 am -
2 stops41h 10m
Deal found 11/11$3,073

Find flight deals from Portland to Ko Samui

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,185
(Gotogate)
Provider with most accurate pricing for Portland-Ko Samui flight deals.
Provider most trusted by Cheapflights users for Portland-Ko Samui flights.
From Portland to Ko Samui

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portland to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Thu 2/18

2:51 pm-7:35 pm

2 stops37h 44m

Ko Samui

Mon 2/22

8:30 pm-1:42 pm

3 stops32h 12m

$1,185

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Thu 4/15

10:30 am-7:40 pm

2 stops43h 10m

Ko Samui

Mon 4/19

11:55 am-1:19 pm

2 stops39h 24m

$1,202

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Mon 3/1

2:51 pm-7:35 pm

2 stops61h 44m

Ko Samui

Wed 3/10

11:40 am-8:50 pm

2 stops24h 10m

$1,243

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

7:00 am-7:35 pm

2 stops45h 35m

Ko Samui

Fri 12/11

11:40 am-1:50 pm

2 stops41h 10m

$2,368

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Sorted by cheapest first

Compare providers for flights from Portland to Ko Samui

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Ko Samui in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Ko Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Ko Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Ko Samui flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Portland with our price prediction graph.
Estimated round-trip price

Related info for your journey

  • How long is the flight from Portland to Ko Samui?

    For as low as $1,202, Cathay Pacific can have you in Ko Samui from Portland in 43h 10m. There are 7795 mi between Portland and Ko Samui.

  • Can I find deals for flights from Portland to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Portland to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ko Samui.

  • Can I find deals for business class flights from Portland to Ko Samui?

    Yes. Cheapflights offers flight deals from Portland to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portland to Ko Samui

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.