Frontier’s UpFront Plus seats offer extra comfort with a guaranteed empty middle seat.
Frontier’s Premium Seats provide 35” seat separation, ideal for long-haul comfort.
$572+ Cheap flights from Atlanta (ATL) to Ko 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — USM
Dec 26 — Jan 21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Atlanta 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 Atlanta to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 November 26, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,094 (oojo) |
One-way from | $572 (Trip.com) |
Find flight deals from Atlanta to Ko Samui
Cheapest flights from Atlanta to Ko SamuiExplore the most affordable flight options available from Atlanta to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.
Explore the most affordable flight options available from Atlanta to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.
This Mytrip deal was found by Cheapflights users on 11/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:10 pmATL - USM
2 stops39h 05mMultiple Airlines
Sat 1/36:15 pmUSM - ATL
3 stops33h 00mMultiple Airlines
Deal found 11/25![Multiple Airlines logo]()
$4,877
Cheapflights Fare Finder
Customize your flight search to find flights from Atlanta 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 November 26, 2025.
Use the filters below to find and compare flights from Atlanta to Ko Samui that are best for you.
Fly from
Atlanta
Fly to
Ko Samui
Route
Depart
Return
Price
AtlantaKo Samui
ATL - USM
ATLUSM
Atlanta Hartsfield-Jackson
Sat 1/10
9:50 pm-6:15 pm
2 stops32h 25m
Ko Samui
Sat 1/17
8:15 am-7:45 pm
2 stops47h 30m
$1,539
AtlantaKo Samui
ATL - USM
ATLUSM
Atlanta Hartsfield-Jackson
Sat 1/10
3:10 pm-8:05 am
2 stops28h 55m
Ko Samui
Sat 1/17
8:55 am-7:13 pm
3 stops46h 18m
$1,619
AtlantaKo Samui
ATL - USM
ATLUSM
Atlanta Hartsfield-Jackson
Sat 12/20
3:10 pm-6:15 pm
2 stops39h 05m
Ko Samui
Sat 1/3
6:15 pm-3:15 pm
3 stops33h 00m
$4,877
AtlantaKo Samui
ATL - USM
ATLUSM
Atlanta Hartsfield-Jackson
Thu 1/15
9:20 pm-6:50 pm
3 stops57h 30m
$572
Compare providers for flights from Atlanta 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 Atlanta to Ko Samui in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Atlanta-Ko Samui flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Atlanta-Ko Samui flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Atlanta-Ko Samui flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Atlanta-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 Atlanta-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 Atlanta to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Atlanta 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 Atlanta to Ko Samui
Prices
Delays
What is the cheapest time of day to fly from ATL to USM?
Find hourly flight availability from Atlanta 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 November 26, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 79% on flights from Atlanta to Ko Samui by exploring options for tickets in the evening.
What is the cheapest day to fly from Atlanta to Ko Samui?
Use this chart to determine the cheapest time to fly round-trip from Atlanta to Ko Samui. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Atlanta to Ko Samui flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Atlanta to Ko Samui delayed?
About 21% of weekly flights between Atlanta and Ko Samui have experienced delays in the past year, with the average delay time being 128 minutes.
What is the most punctual flight time for Atlanta to Ko Samui flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Atlanta to Ko Samui flights?
Over the last year, TezJet have had the lowest number of delays on this route, with no flights being classified as delayed.
The best insider tips for Atlanta to Ko Samui flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Ko Samui trip
Reviews of airlines servicing Ko Samui
Get insights into the airlines that provide service to Ko 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 Ko Samui. Reviews last updated November 26, 2025.
See what other customers who have flown with Qatar Airways from Atlanta to Ko Samui have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
7.4
Boarding
7.5
Crew
7.9
Comfort
7.4
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Entertainment
7.4
Boarding
7.5
Crew
7.9
Comfort
7.4
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Related info for your journey
Find useful and relevant information for your journey from Atlanta 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Atlanta to Ko Samui
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Atlanta to Ko Samui
Discover the top airline that operate flights from Atlanta to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,584 | Average$1,986 | FlexibilityNo cancel fee | On-time68% |