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Ko Samui

$3,002+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — USM
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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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 septiembre 17, 2025.

Round-trip from

$3,002
(Singapore Airlines)
From Raleigh-Durham to Ko Samui
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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 septiembre 17, 2025.

This Singapore Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 10/211:11 amRDU - USM
3 stops46h 59mSingapore Airlines
lun. 10/64:25 pmUSM - RDU
2 stops59h 15mSingapore Airlines
Deal found 9/14$3,002
This business-class.com deal was found by Cheapflights users on 9/17. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/97:00 amRDU - USM
3 stops37h 40mJapan Airlines
mar. 12/167:00 pmUSM - RDU
3 stops37h 20mJapan Airlines
Deal found 9/17$5,319
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/98:40 pmRDU - USM
2 stops33h 35mMultiple Airlines
mar. 12/164:25 pmUSM - RDU
2 stops37h 20mMultiple Airlines
Deal found 9/17$6,513
This Justfly.com deal was found by Cheapflights users on 9/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/910:39 amRDU - USM
2 stops43h 36mSingapore Airlines
mar. 12/164:25 pmUSM - RDU
3 stops41h 26mSingapore Airlines
Deal found 9/17$11,565

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 septiembre 17, 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

jue. 10/2

11:11 am-9:10 pm

3 stops46h 59m

Ko Samui

lun. 10/6

4:25 pm-4:40 pm

2 stops59h 15m

$3,002

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

mar. 12/9

7:00 am-8:40 am

3 stops37h 40m

Ko Samui

mar. 12/16

7:00 pm-8:20 pm

3 stops37h 20m

$5,319

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

mar. 12/9

8:40 pm-6:15 pm

2 stops33h 35m

Ko Samui

mar. 12/16

4:25 pm-5:45 pm

2 stops37h 20m

$6,513

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

mar. 12/9

10:39 am-6:15 pm

2 stops43h 36m

Ko Samui

mar. 12/16

4:25 pm-9:51 pm

3 stops41h 26m

$11,565

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 septiembre 17, 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 in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 32% 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 46h 59m. The distance from Raleigh to Ko Samui is about 9291 mi.

  • 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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