HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ko Samui

$1,099+ Cheap flights from Dallas 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — USM
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas 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 Dallas to Ko Samui

Cheapest flights from Dallas to Ko Samui
Explore the most affordable flight options available from Dallas to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This FlightHub deal was found by Cheapflights users on 4/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:50 pm
DFW
-
USM
2 stops26h 55m
EVA Air
Sun 9/279:00 pm
USM
-
DFW
2 stops34h 55m
EVA Air
Deal found 4/19$1,166
This EVA Air deal was found by Cheapflights users on 4/19. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:50 pm
DFW
-
USM
2 stops44h 20m
EVA Air
Mon 11/29:20 am
USM
-
DFW
2 stops22h 45m
EVA Air
Deal found 4/19$1,196
This FlightHub deal was found by Cheapflights users on 4/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:50 pm
DFW
-
USM
2 stops28h 50m
EVA Air
Sat 10/317:00 am
USM
-
DFW
2 stops24h 30m
EVA Air
Deal found 4/19$1,207
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:50 pm
DFW
-
USM
2 stops28h 20m
EVA Air
Mon 8/319:15 am
USM
-
DFW
2 stops23h 05m
EVA Air
Deal found 4/22$1,293
This SmartFares deal was found by Cheapflights users on 4/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:50 pm
DFW
-
USM
2 stops28h 35m
Multiple Airlines
Mon 8/178:20 am
USM
-
DFW
2 stops24h 00m
Multiple Airlines
Deal found 4/19$1,396
This FlightHub deal was found by Cheapflights users on 4/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:50 pm
DFW
-
USM
2 stops28h 35m
EVA Air
Mon 8/178:10 am
USM
-
DFW
2 stops24h 10m
EVA Air
Deal found 4/19$1,401
This KAYAK deal was found by Cheapflights users on 4/22. 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.
Sun 8/1610:55 pm
DFW
-
USM
1 stop32h 45m
Cathay Pacific
Mon 8/3111:55 am
USM
-
DFW
1 stop41h 55m
Cathay Pacific
Deal found 4/22$1,602
This Justfly.com deal was found by Cheapflights users on 4/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:20 pm
DFW
-
USM
2 stops27h 25m
Multiple Airlines
Fri 5/17:15 pm
USM
-
DFW
2 stops33h 45m
Multiple Airlines
Deal found 4/20$1,613
This KAYAK deal was found by Cheapflights users on 4/19. 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.
Fri 9/1810:55 pm
DFW
-
USM
1 stop32h 45m
Multiple Airlines
Sun 9/277:50 am
USM
-
DFW
2 stops22h 00m
Multiple Airlines
Deal found 4/19$1,652

Find flight deals from Dallas to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) 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 April 23, 2026.

Round-trip from

$1,166
(FlightHub)

One-way from

$1,099
(Trip.com)
From Dallas to Ko Samui
Search Deals
One-way flight from Dallas to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas 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 April 23, 2026.
Use the filters below to find and compare flights from Dallas to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Fri 9/18

10:50 pm-1:45 pm

2 stops26h 55m

Ko Samui

Sun 9/27

9:00 pm-7:55 pm

2 stops34h 55m

$1,166

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Thu 9/10

10:50 pm-4:30 pm

2 stops29h 40m

Ko Samui

Mon 9/14

7:50 am-7:55 pm

2 stops24h 05m

$1,196
Quickest round-trip

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 8/16

10:50 pm-3:10 pm

2 stops28h 20m

Ko Samui

Mon 8/31

9:15 am-8:20 pm

2 stops23h 05m

$1,293

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Mon 8/10

10:50 pm-3:25 pm

2 stops28h 35m

Ko Samui

Mon 8/17

8:20 am-8:20 pm

2 stops24h 00m

$1,396

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 8/16

10:55 pm-7:40 pm

1 stop32h 45m

Ko Samui

Mon 8/31

11:55 am-5:50 pm

1 stop41h 55m

$1,602

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Fri 9/18

10:55 pm-7:40 pm

1 stop32h 45m

Ko Samui

Sun 9/27

11:55 am-5:50 pm

1 stop41h 55m

$1,652

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Mon 8/10

10:55 pm-7:40 pm

1 stop32h 45m

Ko Samui

Mon 8/17

11:55 am-6:25 pm

1 stop42h 30m

$1,705

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 6/7

9:30 pm-1:10 pm

2 stops27h 40m

Ko Samui

Sun 6/14

7:15 pm-12:45 pm

2 stops29h 30m

$1,997

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Fri 9/18

10:50 pm-8:50 pm

3 stops34h 00m

Ko Samui

Sun 9/27

10:05 am-9:50 am

3 stops35h 45m

$2,115

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 6/7

10:55 pm-7:40 pm

1 stop32h 45m

Ko Samui

Sun 6/14

7:50 am-5:50 pm

2 stops22h 00m

$2,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Dallas to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Dallas 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 Dallas to Ko Samui

How often are flights from Dallas to Ko Samui delayed?

About 22% of weekly flights between Dallas and Ko Samui have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Dallas to Ko Samui flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Dallas to Ko Samui flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 13% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Dallas to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ko Samui from Dallas?

    For a flight from Dallas to Ko Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 2.1 mi from the center of the city. Ko Samui is the only Ko Samui airport and it handles 0 inbound flights from Dallas per day. 0 airlines have flights to Ko Samui from Dallas on a regular basis.

  • How long is the flight from Dallas to Ko Samui?

    Airlines like EVA Air and Cathay Pacific fly from Dallas to Ko Samui in about 26h 55m. The time it takes to get you to your destination can typically vary by up to 5h 50m. The distance between Dallas and Ko Samui is about 9289 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas 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.

See more FAQs

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.