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Ko Samui

$721+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — USM
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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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 March 4, 2026.

This FlightHub deal was found by Cheapflights users on 3/4. 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.
Wed 4/2910:50 pm
DFW
-
USM
2 stops44h 45m
EVA Air
Tue 5/58:45 am
USM
-
DFW
2 stops47h 10m
EVA Air
Deal found 3/4$910
This flugladen.de deal was found by Cheapflights users on 2/28. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:50 pm
DFW
-
USM
2 stops26h 55m
EVA Air
Tue 4/219:00 pm
USM
-
DFW
2 stops34h 40m
EVA Air
Deal found 2/28$941
This FlightHub deal was found by Cheapflights users on 2/27. 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 45m
EVA Air
Sat 10/318:30 am
USM
-
DFW
2 stops23h 00m
EVA Air
Deal found 2/27$973
This EVA Air deal was found by Cheapflights users on 3/3. 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.
Fri 9/410:50 pm
DFW
-
USM
2 stops28h 35m
EVA Air
Tue 9/88:45 am
USM
-
DFW
2 stops23h 10m
EVA Air
Deal found 3/3$998
This FlightHub deal was found by Cheapflights users on 3/1. 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.
Sat 8/2210:50 pm
DFW
-
USM
2 stops28h 35m
EVA Air
Fri 8/289:15 am
USM
-
DFW
2 stops23h 05m
EVA Air
Deal found 3/1$1,034
This FlightHub deal was found by Cheapflights users on 2/27. 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.
Thu 3/510:50 pm
DFW
-
USM
2 stops30h 00m
EVA Air
Thu 3/127:55 am
USM
-
DFW
2 stops23h 45m
EVA Air
Deal found 2/27$1,052
This EVA Air deal was found by Cheapflights users on 2/28. 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.
Mon 11/210:50 pm
DFW
-
USM
2 stops31h 05m
EVA Air
Fri 11/610:00 am
USM
-
DFW
2 stops22h 05m
EVA Air
Deal found 2/28$1,095
This IEagle deal was found by Cheapflights users on 3/2. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:50 pm
DFW
-
USM
2 stops31h 25m
Multiple Airlines
Fri 4/249:00 pm
USM
-
DFW
2 stops34h 40m
Multiple Airlines
Deal found 3/2$1,127

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 March 4, 2026.

Round-trip from

$910
(FlightHub)

One-way from

$721
(Kiwi.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 March 4, 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

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Wed 4/29

10:50 pm-7:35 am

2 stops44h 45m

Ko Samui

Tue 5/5

8:45 am-7:55 pm

2 stops47h 10m

$910

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Fri 4/17

10:55 pm-7:40 pm

1 stop32h 45m

Ko Samui

Fri 4/24

8:10 am-5:50 pm

2 stops21h 40m

$1,407

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Fri 4/17

10:55 pm-7:40 pm

1 stop32h 45m

Ko Samui

Fri 4/24

11:55 am-5:50 pm

1 stop41h 55m

$1,435

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Thu 3/12

10:55 pm-4:25 pm

2 stops29h 30m

Ko Samui

Sat 3/28

8:15 am-4:00 pm

2 stops67h 45m

$1,720

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Fri 4/17

10:50 pm-8:50 pm

3 stops34h 00m

Ko Samui

Fri 4/24

3:50 pm-4:00 pm

3 stops36h 10m

$2,151

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 5/17

12:25 pm-7:45 am

3 stops31h 20m

Ko Samui

Sun 5/24

5:50 pm-12:45 pm

2 stops30h 55m

$2,419

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 5/17

10:50 pm-8:25 pm

3 stops33h 35m

Ko Samui

Sun 5/24

11:25 am-9:50 am

3 stops34h 25m

$2,771

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 5/17

10:55 pm-7:40 pm

1 stop32h 45m

Ko Samui

Sun 5/24

11:55 am-5:50 pm

1 stop41h 55m

$3,015

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Wed 4/29

10:50 pm-8:30 pm

3 stops33h 40m

Ko Samui

Tue 5/5

11:25 am-9:50 am

3 stops34h 25m

$3,089

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Thu 3/12

9:00 am-7:25 am

3 stops58h 25m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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

What is the cheapest time of day to fly from DFW to USM?

Find hourly flight availability from Dallas 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 March 4, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from Dallas to Ko Samui by exploring options for tickets in the evening.

What is the cheapest day to fly from Dallas to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Dallas to Ko Samui. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Dallas to Ko Samui flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Dallas to Ko Samui delayed?

About 25% of weekly flights between Dallas and Ko Samui have experienced delays in the past year, with the average delay time being 153 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Saturday 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 15% 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, Cathay Pacific, and Malaysia Airlines fly from Dallas to Ko Samui in about 32h 45m. The time it takes to get you to your destination can typically vary by up to 12h. 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

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