$2,845+ 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
ส.ค. 25 — ก.ย. 11
1 adult, Economy
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Find cheap flights from Raleigh 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 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 สิงหาคม 20, 2025.
Round-trip from | $2,845 (British Airways) |
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Find flight deals from Raleigh to Ko Samui
Cheapest flights from Raleigh to Ko SamuiExplore 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 สิงหาคม 20, 2025.
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 สิงหาคม 20, 2025.
This British Airways deal was found by Cheapflights users on 8/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พฤ. 10/26:15 pmRDU - USM
2 stops39h 55mBritish Airways
จ. 10/61:30 pmUSM - RDU
2 stops35h 20mBritish Airways
Deal found 8/17![British Airways logo]()
$2,845
This Singapore Airlines deal was found by Cheapflights users on 8/17. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พฤ. 10/211:11 amRDU - USM
3 stops46h 59mSingapore Airlines
จ. 10/61:30 pmUSM - RDU
3 stops38h 20mSingapore Airlines
Deal found 8/17![Singapore Airlines logo]()
$3,082
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 สิงหาคม 20, 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
พฤ. 10/2
6:15 pm-9:10 pm
2 stops39h 55m
Ko Samui
จ. 10/6
1:30 pm-1:50 pm
2 stops35h 20m
$2,845
RaleighKo Samui
RDU - USM
RDUUSM
Raleigh-Durham
พฤ. 10/2
11:11 am-9:10 pm
3 stops46h 59m
Ko Samui
จ. 10/6
1:30 pm-4:50 pm
3 stops38h 20m
$3,082
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 สิงหาคม 20, 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.
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsKo Tao
Ko Pha Ngan