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Koh Samui

$960+ Cheap flights from Portland (PDX) to Koh Samui (USM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — USM
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Find cheap flights from Portland to Koh Samui with Cheapflights

1. Tell us where you want to go
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Cheap flight deals from Portland to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Portland to Koh Samui

Cheapest flights from Portland to Koh Samui
Explore the most affordable flight options available from Portland to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Priceline deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:00 pmPDX - USM
2 stops35h 35mMultiple Airlines
Thu 12/129:30 pmUSM - PDX
2 stops27h 04mMultiple Airlines
Deal found 11/20$1,717

Find flights from Portland to Koh Samui within your budget

Customize your flight search to find flights from Portland to Koh Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandKoh Samui

PDX - USM

PDXUSM

Portland

Wed 3/26

7:50 pm-7:35 pm

2 stops33h 45m

Ko Samui

Wed 4/9

4:25 pm-6:24 pm

2 stops39h 59m

$1,685

PortlandKoh Samui

PDX - USM

PDXUSM

Portland

Wed 3/26

11:36 am-10:35 am

3 stops32h 59m

Ko Samui

Wed 4/9

3:50 pm-12:52 pm

3 stops35h 02m

$2,108

PortlandKoh Samui

PDX - USM

PDXUSM

Portland

Fri 3/21

3:25 pm-6:30 pm

2 stops37h 05m

$960

PortlandKoh Samui

PDX - USM

PDXUSM

Portland

Sun 1/5

8:00 am-8:40 am

3 stops33h 40m

$1,769

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Compare providers for flights from Portland to Koh Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Koh Samui in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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-Koh Samui flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Koh Samui flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Koh Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Koh Samui flights, Cheapflights users trust AranGrant the most. AranGrant 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-Koh 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 Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portland to Koh Samui

Get recent, data-driven insights about flights from Portland to Koh Samui including ideal travel times, pricing trends, and more.

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Koh Samui when rainfall is around 2.3 in.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated November 21, 2024.
Japan Airlines
8.3
Very good
1,460 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 10

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Japan Airlines
8.3
Very good
1,460 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 10

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Qatar Airways
7.5
Good
3,832 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 10

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Related info for your journey

Find useful and relevant information for your journey from Portland to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Koh 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.

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