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Ko Samui

$645+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — USM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$1,784
(KAYAK)

One-way from

$645
(Kiwi.com)
From Atlanta Hartsfield-Jackson to Ko Samui
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One-way flight from Atlanta Hartsfield-Jackson to Ko Samui
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Find flight deals from Atlanta to Ko Samui

Cheapest flights from Atlanta to Ko Samui
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 June 12, 2025.

This Etihad Airways deal was found by Cheapflights users on 6/11. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:00 pmATL - USM
2 stops26h 40mEtihad Airways
Thu 10/235:55 pmUSM - ATL
2 stops33h 25mEtihad Airways
Deal found 6/11$1,424
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:30 pmATL - USM
2 stops38h 40mMultiple Airlines
Tue 10/214:25 pmUSM - ATL
2 stops34h 30mMultiple Airlines
Deal found 6/12$1,445
This Qatar Airways deal was found by Cheapflights users on 6/11. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:30 pmATL - USM
2 stops30h 40mQatar Airways
Thu 10/234:25 pmUSM - ATL
2 stops34h 30mQatar Airways
Deal found 6/11$1,583
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:11 pmATL - USM
2 stops35h 24mCathay Pacific
Tue 10/212:35 pmUSM - ATL
3 stops43h 00mCathay Pacific
Deal found 6/11$1,880
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:30 pmATL - USM
3 stops44h 40mSingapore Airlines
Thu 10/234:25 pmUSM - ATL
2 stops50h 02mSingapore Airlines
Deal found 6/11$2,123

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 June 12, 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

Tue 7/29

7:30 pm-6:15 pm

2 stops35h 45m

Ko Samui

Fri 8/8

3:45 pm-3:55 pm

2 stops35h 10m

$1,784

AtlantaKo Samui

ATL - USM

ATLUSM

Atlanta Hartsfield-Jackson

Sun 7/27

7:30 pm-6:15 pm

2 stops35h 45m

Ko Samui

Thu 8/7

5:35 pm-3:55 pm

2 stops33h 20m

$1,882

AtlantaKo Samui

ATL - USM

ATLUSM

Atlanta Hartsfield-Jackson

Tue 7/29

12:48 pm-8:15 am

3 stops32h 27m

Ko Samui

Fri 8/8

7:10 pm-4:20 pm

2 stops56h 10m

$3,523

AtlantaKo Samui

ATL - USM

ATLUSM

Atlanta Hartsfield-Jackson

Mon 7/28

5:30 pm-6:15 pm

2 stops37h 45m

Ko Samui

Wed 8/6

1:30 pm-11:30 pm

3 stops45h 00m

$3,752

AtlantaKo Samui

ATL - USM

ATLUSM

Atlanta Hartsfield-Jackson

Fri 7/11

10:00 pm-6:30 pm

3 stops57h 30m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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
Airlines
Frontier

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.

Read more about Frontierby Marisa Garcia
Spirit Airlines

Spirit’s Big Front Seats offer 11 inches more legroom, perfect for long flights.


Spirit’s Wi-Fi plans allow streaming, ideal for long flights. Book ahead for savings.

Read more about Spirit Airlinesby Daniel Scheffler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more

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

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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 80% 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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ko Samui by month

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

In terms of precipitation, rainfall in Ko 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 Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

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

If weather is an important factor for your trip to Ko 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 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 June 12, 2025.
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Singapore Airlines
8.1
Very good
1,302 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Qatar Airways
7.4
Good
3,584 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Etihad Airways
7.4
Good
1,211 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta 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.

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,584Average$1,986FlexibilityNo cancel feeOn-time68%

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