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Cheap Flights from Dallas (DFWA) to Koh Samui (USM)

Compare Dallas to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

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Flight deals from Dallas to Samui International

Looking for a cheap last-minute deal or the best return flight from Dallas to Samui International Airport? If you want to travel next month, return fares start from $1,792. Find the lowest prices on one-way and return tickets right here.
Koh Samui.$1,707 per passenger.Departing Tue, 22 Sep, returning Thu, 8 Oct.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Dallas Fort Worth International on Tue, 22 Sep, arriving in Samui International.Inbound indirect flight with EVA Air, departs from Samui International on Thu, 8 Oct, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $1,707, select.
Koh Samui.$1,755 per passenger.Departing Mon, 15 Feb, returning Mon, 22 Feb.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Dallas Fort Worth International on Mon, 15 Feb, arriving in Samui International.Inbound indirect flight with EVA Air, departs from Samui International on Mon, 22 Feb, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $1,755, select.
Koh Samui.$1,792 per passenger.Departing Mon, 24 Aug, returning Mon, 31 Aug.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Dallas Fort Worth International on Mon, 24 Aug, arriving in Samui International.Inbound indirect flight with EVA Air, departs from Samui International on Mon, 31 Aug, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $1,792, select.
Koh Samui.$1,990 per passenger.Departing Tue, 19 Jan, returning Tue, 26 Jan.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Dallas Fort Worth International on Tue, 19 Jan, arriving in Samui International.Inbound indirect flight with EVA Air, departs from Samui International on Tue, 26 Jan, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $1,990, select.
Koh Samui.$2,317 per passenger.Departing Fri, 21 Aug, returning Tue, 8 Sep.Return flight with Emirates and Bangkok Airways.Outbound indirect flight with Emirates, departs from Dallas Fort Worth International on Fri, 21 Aug, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 8 Sep, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $2,317, select.
Koh Samui.$2,836 per passenger.Departing Wed, 30 Dec, returning Wed, 6 Jan.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Dallas Fort Worth International on Wed, 30 Dec, arriving in Samui International.Inbound indirect flight with EVA Air, departs from Samui International on Wed, 6 Jan, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $2,836, select.
Koh Samui.$3,055 per passenger.Departing Tue, 21 Jul, returning Sun, 16 Aug.Return flight with Emirates and Bangkok Airways.Outbound indirect flight with Emirates, departs from Dallas Fort Worth International on Tue, 21 Jul, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sun, 16 Aug, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $3,055, select.
Koh Samui.$5,034 per passenger.Departing Sun, 19 Jul, returning Sun, 26 Jul.Return flight with Japan Airlines and Bangkok Airways.Outbound indirect flight with Japan Airlines, departs from Dallas Fort Worth International on Sun, 19 Jul, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sun, 26 Jul, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $5,034, select.

Find the cheapest month to fly from Dallas to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dallas to Samui International flights are currently cheapest in February.
Jul
from $5,034
Aug
from $1,792
Sep
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Oct
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Nov
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Dec
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Jan
from $1,990
Feb
from $1,755
Mar
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Apr
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May
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Jun
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Dallas to Samui International: Alternative routes

Compare routes from Dallas to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Samui International

5km from central Koh Samui
ClosestCheapest
from $1,707
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Dallas to Koh Samui: Flight information

The things to know before you go.
Cheapest flight found$1,711
Cheapest month to flySeptember

Finding cheap flights from Dallas to Samui International: Frequently asked questions

The best price we found for a return flight from Dallas to Samui International is $1,711. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dallas to Samui International. But we found flights with one stop from $1,707.
As of July 2026, there are no flights flying from Dallas to Samui International.
The cheapest month to fly from Dallas to Samui International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Dallas to Samui International Airport on Tuesday, 22 September 2026.
No airlines currently offer direct flights between Dallas and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to Samui International is EVA Air .

Flying from Dallas to Ko Samui International Airport (USM): What you need to know

  • Koh Samui is 13 hours ahead of Dallas. Ko Samui International Airport is located in Koh Samui, which operates on the UTC+7 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Make sure you're at the airport on time to catch your flight from Dallas to USM.

  • With more travellers during busy months like July, get to the terminal earlier than usual. Two hours for domestic flights and as much as four for international journeys will allow for extra wait times. Remember things also get busy during major holidays like Christmas.

Airports in Dallas

Dallas Fort Worth International Airport (DFW)

  • Located around 32 kilometres from central Dallas, DFW can be reached in about 25 minutes by car (depending on traffic). The journey by public transport takes roughly 1 hour.

  • Want a stress-free start to your trip? Stay near Dallas Fort Worth International Airport. Whether you have an early flight from Dallas to Ko Samui International Airport or just don't want to be rushed, these hotels are just the thing:

  • Of all flights departing from Dallas Fort Worth International Airport, 72% land on schedule at their destination.

  • DFW is located at 2400 Aviation Dr.

Dallas Love Field (DAL)

About Ko Samui International Airport (USM)

  • Have a late flight from Dallas to Ko Samui International Airport? Don't let it hijack your sleep schedule. Check in to one of these hotels near USM and get cosy, quick:

  • For the best deal, reserve your vehicle around four weeks ahead of your Dallas to Ko Samui International Airport flight.

Getting from Ko Samui International Airport (USM) to central Koh Samui

  • Ko Samui International Airport is around 11 kilometres from central Koh Samui. It takes around 20 minutes or so to drive to the city.

  • If you're travelling by public transport, expect a journey of roughly 30 minutes.

How to find the cheapest flights from Dallas to Ko Samui International Airport (USM)

  • At the moment, $847 is the best price we've found for a one-way ticket from Dallas to Ko Samui International Airport. The cheapest price for a return flight is $1,707. Keep in mind fares can change due to availability at the time of booking.

  • Don't leave things to the last moment. You're more likely to walk away with cheap flights from Dallas to USM if you book early. Airlines often offer some excellent early bird rates.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll show you the cheapest price in each month when searching for your Dallas to Ko Samui International Airport ticket.

  • Save time searching for cheap plane tickets from Dallas to USM by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Filters make it easier to land a deal on your flight from Dallas to Ko Samui International Airport. Choose the departure times, airlines and number of stops that look good to you. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Dallas to Ko Samui International Airport (USM)

  • Think about the kind of holiday you want when deciding the best time to fly. March is the quietest month to go to Koh Samui. November is when most people book flights from Dallas to Ko Samui International Airport (USM), which may be perfect if you're chasing more excitement.

  • Lock in a Dallas to USM plane ticket departing in May if you want to explore the city during its warmest month. Expect temperatures in Koh Samui to range from 25ºC (77ºF) to 30ºC (86ºF).

  • Look for cheap tickets from Dallas to Ko Samui International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 23ºC (73ºF) and 28ºC (82ºF).

Explore more of Thailand

  • You've visited Koh Samui, now it's time to explore more of Thailand. Journey about 129 kilometres south to Nakhon Si Thammarat to check off its leading sights. From Wat Phra Phrom to Wat Pho Sadet and Wat Yai Chai Mongkol, there's plenty to keep you on the go.

  • Around 257 kilometres southwest of Koh Samui, Phuket is another essential stop in Thailand. No visit is complete without checking out V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach.

Plan smart, explore more

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Plan the rest of your trip from Dallas to Koh Samui

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.