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Ko Samui

$1,583+ Cheap flights from Raleigh (RDU) to Ko Samui (USM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — USM
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find flight deals from Raleigh to Ko Samui

Cheapest flights from Raleigh to Ko Samui
Explore the most affordable flight options available from Raleigh to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Cathay Pacific deal was found by Cheapflights users on 10/26. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:55 pmRDU - USM
2 stops38h 40mCathay Pacific
Sun 11/211:40 amUSM - RDU
2 stops44h 39mCathay Pacific
Deal found 10/26$1,583
This Cathay Pacific deal was found by Cheapflights users on 10/24. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:43 pmRDU - USM
2 stops36h 52mCathay Pacific
Mon 11/311:40 amUSM - RDU
2 stops44h 39mCathay Pacific
Deal found 10/24$2,308
This Singapore Airlines deal was found by Cheapflights users on 10/25. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:53 amRDU - USM
3 stops44h 22mSingapore Airlines
Mon 11/31:25 pmUSM - RDU
2 stops62h 50mSingapore Airlines
Deal found 10/25$3,429
This Singapore Airlines deal was found by Cheapflights users on 10/26. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:53 amRDU - USM
2 stops47h 12mSingapore Airlines
Sun 11/24:25 pmUSM - RDU
3 stops42h 26mSingapore Airlines
Deal found 10/26$4,101

Cheap flight deals from Raleigh to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Ko 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$2,056
(Qatar Airways)
Provider with most accurate pricing for Raleigh-Durham-Ko Samui flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Ko Samui flights.
Search Deals
From Raleigh-Durham to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Ko 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 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Raleigh to Ko Samui that are best for you.

Fly from

Raleigh

Fly to

Ko Samui

Route

Depart

Return

Price

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Fri 4/3

5:43 pm-10:10 am

3 stops29h 27m

Ko Samui

Thu 4/9

3:50 pm-12:11 pm

3 stops31h 21m

$2,056

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Fri 4/3

6:20 pm-9:10 pm

2 stops39h 50m

Ko Samui

Thu 4/9

10:55 am-4:10 pm

2 stops40h 15m

$2,103

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Sat 3/7

8:50 am-8:40 am

3 stops35h 50m

Ko Samui

Sat 3/21

7:00 pm-1:34 pm

3 stops29h 34m

$5,401

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Fri 4/3

8:40 pm-6:15 pm

2 stops34h 35m

Ko Samui

Thu 4/9

7:15 pm-1:38 pm

3 stops29h 23m

$5,639

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Sat 3/7

7:30 pm-7:35 pm

2 stops36h 05m

Ko Samui

Sat 3/21

7:55 am-12:20 am

3 stops27h 25m

$6,072

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Sat 3/7

8:50 pm-6:15 pm

2 stops33h 25m

Ko Samui

Sat 3/21

1:25 pm-6:35 pm

2 stops40h 10m

$6,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Compare providers for flights from Raleigh to Ko 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 Raleigh to Ko Samui in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 Raleigh-Ko Samui flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Raleigh-Ko Samui flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Raleigh-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Ko Samui flights, Cheapflights users trust eDreams the most. eDreams 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 Raleigh-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 Raleigh to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Raleigh 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.

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Ko Samui

What is the cheapest time of day to fly from RDU to USM?

Find hourly flight availability from Raleigh to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

One of the essential ways to save on airfare from Raleigh to Ko 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 77% on airfare.

What is the cheapest day to fly from Raleigh to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Ko Samui. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Raleigh to Ko Samui flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

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

    Departing from Raleigh to Ko Samui will take you 29h 27m. The distance from Raleigh to Ko Samui is about 9291 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh 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 Tao
Ko Pha Ngan

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