The cheapest times to fly from USM to ATL are

  • February 12th to June 3rd
  • October 8th to November 11th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from USM to ATL is late October to early November. Prices can be as high as $4923 for Friday flights during mid December, or as low as $1273 for Tuesday flights around late October to early November.


When to Fly to Atlanta

Flying from Koh Samui (USM) to Atlanta, GA (ATL) will usually cost between $1381 to $2288 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $1389. Due to high demand the most expensive time to fly is mid December, with an average price of $2588. Planning your trip to low-cost times can easily save you $1199 on economy flights and even more on first-class flights. Generally, any price below $1721 can be considered a good price for a round-trip USM to ATL flight.

See below for a graph of average weekly prices for the USM to ATL route. All prices are for round-trip tickets in USD.

USM to ATL Flight Prices

Compared to other flights, the USM to ATL flight is more expensive than the average and costs about as much as the average flight leaving from Ko Samui. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to ATL, and Monday the cheapest day to fly back into USM. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $721 (24%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1640. Return trip prices are from the ATL to USM flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from USM to ATL can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 58 minutes may not be realistic.


Flight Hacking USM to ATL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from USM to ATL — but Champion Traveler does!

Hack #1: Kuala Lumpur (USM > KUL > ATL)

  • Price for both tickets: $1160
  • Average savings: $561 (32.6%)

See USM to HKG flights

Hack #2: Hong Kong (USM > HKG > ATL)

  • Price for both tickets: $1347
  • Average savings: $375 (21.76%)

See USM to KUL flights

Hack #3: Los Angeles, CA (USM > LAX > ATL)

  • Price for both tickets: $1447
  • Average savings: $274 (15.92%)

See USM to LAX flights


Flight Questions Answered

Still have questions about flying from USM to ATL? We’ve got answers.

Which airlines fly this route?

You can find 25 major airlines flying this route most often: Air Canada, Air France, Alaska, American, Asiana, Austrian, Bangkok Airways, British Airways, Cathay Pacific, China Southern, Delta, Emirates, Etihad, Finnair, Hainan, JetBlue, KLM, Lufthansa, Qatar Airways, Shanghai Airlines, Singapore Airlines, SWISS, THAI, United, WestJet, and potentially more during busy seasons.

How far away is it from Hartsfield-Jackson Atlanta International Airport to Samui Airport?

The distance between the two airports is roughly 9437 miles or 15187 kilometers.

How long does it take to fly from USM to ATL?

The real-world flight time for a nonstop USM to ATL flight is about 17 hour 58 minutes.

How many flights go between Koh Samui and Atlanta, GA?

It depends on the day of the week and the date, but a typical day might have around 49 available flights from USM to ATL.


Airport Location Info


Departing Airport

Origination code USM
Origination airport name Samui Airport
City Koh Samui
Country Thailand
Latitude 9.5
Longitude 100.1

Return Airport

Destination code ATL
Destination airport name Hartsfield-Jackson Atlanta International Airport
City Atlanta, GA
Country the United States
Latitude 33.6
Longitude -84.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.