$602+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — USM
Sep 4 — Sep 111
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Dallas to Ko SamuiExplore 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 August 5, 2026.
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 August 5, 2026.
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:15 am -
2 stops25h 30m
Tue 9/225:35 pm -
2 stops38h 50m
Deal found 8/4![EVA Air logo]()
$989
This Justfly.com deal was found by Cheapflights users on 8/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:15 am -
2 stops26h 30m
Tue 9/296:00 am -
2 stops50h 25m
Deal found 8/4![EVA Air logo]()
$1,022
This oojo deal was found by Cheapflights users on 7/31. 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.
Sun 10/1112:15 am -
2 stops25h 30m
Fri 10/237:45 pm -
2 stops36h 25m
Deal found 7/31![EVA Air logo]()
$1,023
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:15 am -
2 stops25h 30m
Wed 9/96:00 am -
2 stops26h 25m
Deal found 8/3![EVA Air logo]()
$1,048
This EVA Air deal was found by Cheapflights users on 7/31. 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.
Wed 9/912:15 am -
2 stops27h 10m
Mon 9/148:35 pm -
2 stops35h 50m
Deal found 7/31![EVA Air logo]()
$1,054
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Tue 9/2212:15 am -
2 stops32h 15m
Mon 9/287:10 pm -
2 stops37h 15m
Deal found 8/1![EVA Air logo]()
$1,060
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:15 am -
2 stops42h 55m
Fri 10/238:45 am -
2 stops23h 25m
Deal found 7/31![EVA Air logo]()
$1,104
This SmartFares deal was found by Cheapflights users on 8/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:15 am -
2 stops28h 50m
Fri 8/211:30 pm -
2 stops43h 20m
Deal found 8/4![Multiple Airlines logo]()
$1,234
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:15 am -
2 stops32h 15m
Fri 10/2311:05 am -
3 stops33h 05m
Deal found 7/31![Multiple Airlines logo]()
$1,295
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:55 pm -
1 stop32h 45m
Sat 9/1911:55 am -
1 stop41h 55m
Deal found 7/31![Cathay Pacific logo]()
$1,420
Best flights from Dallas to Ko SamuiDiscover carefully curated flight deals from Dallas to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
Discover carefully curated flight deals from Dallas to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
This Justfly.com deal was found by Cheapflights users on 8/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:15 am -
2 stops26h 30m
Tue 9/296:00 am -
2 stops50h 25m
Deal found 8/4![EVA Air logo]()
$1,022
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:55 pm -
1 stop32h 45m
Sat 9/1911:55 am -
1 stop41h 55m
Deal found 7/31![Cathay Pacific logo]()
$1,420
This KAYAK deal was found by Cheapflights users on 8/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:55 pm -
1 stop32h 45m
Wed 9/96:00 am -
2 stops23h 50m
Deal found 8/3![Multiple Airlines logo]()
$1,556
This Mytrip deal was found by Cheapflights users on 8/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am -
3 stops37h 30m
Wed 9/911:25 am -
2 stops44h 10m
Deal found 8/3![Turkish Airlines logo]()
$1,692
This EVA Air deal was found by Cheapflights users on 7/31. 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.
Wed 9/912:15 am -
2 stops27h 10m
Mon 9/148:35 pm -
2 stops35h 50m
Deal found 7/31![EVA Air logo]()
$1,054
This oojo deal was found by Cheapflights users on 7/31. 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.
Sat 9/1212:15 am -
2 stops25h 30m
Sat 9/197:45 pm -
2 stops36h 40m
Deal found 7/31![EVA Air logo]()
$1,059
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Tue 9/2212:15 am -
2 stops32h 15m
Mon 9/287:10 pm -
2 stops37h 15m
Deal found 8/1![EVA Air logo]()
$1,060
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:55 pm -
1 stop32h 45m
Fri 10/2311:55 am -
1 stop41h 55m
Deal found 7/31![Cathay Pacific logo]()
$1,485
This Ovago deal was found by Cheapflights users on 8/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:55 pm -
1 stop32h 45m
Tue 9/2211:55 am -
1 stop41h 55m
Deal found 8/4![Cathay Pacific logo]()
$1,547
Last-minute flights from Dallas to Ko SamuiDiscover last-minute flight deals from Dallas to Ko Samui. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Ko Samui. Data last updated August 5, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 8/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:15 am -
2 stops28h 50m
Fri 8/211:30 pm -
2 stops43h 20m
Deal found 8/4![Multiple Airlines logo]()
$1,234
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:15 am -
2 stops25h 30m
Wed 9/96:00 am -
2 stops26h 25m
Deal found 8/3![EVA Air logo]()
$1,048
This KAYAK deal was found by Cheapflights users on 8/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:55 pm -
1 stop32h 45m
Wed 9/911:55 am -
1 stop41h 55m
Deal found 8/3![Cathay Pacific logo]()
$1,546
This EVA Air deal was found by Cheapflights users on 7/31. 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.
Wed 9/912:15 am -
2 stops27h 10m
Mon 9/148:35 pm -
2 stops35h 50m
Deal found 7/31![EVA Air logo]()
$1,054
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:55 pm -
1 stop32h 45m
Sat 9/1911:55 am -
1 stop41h 55m
Deal found 7/31![Cathay Pacific logo]()
$1,420
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:55 pm -
2 stops25h 50m
Sat 9/1911:55 am -
1 stop41h 55m
Deal found 7/31![Multiple Airlines logo]()
$1,425
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:45 am -
3 stops37h 30m
Sat 9/198:50 pm -
2 stops34h 45m
Deal found 7/31![Turkish Airlines logo]()
$1,504
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:15 am -
2 stops25h 30m
Tue 9/225:35 pm -
2 stops38h 50m
Deal found 8/4![EVA Air logo]()
$989
This Mytrip deal was found by Cheapflights users on 8/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:15 am -
2 stops26h 30m
Tue 9/2211:05 am -
3 stops33h 05m
Deal found 8/4![Multiple Airlines logo]()
$1,486
This Justfly.com deal was found by Cheapflights users on 8/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:15 am -
2 stops26h 30m
Tue 9/296:00 am -
2 stops50h 25m
Deal found 8/4![EVA Air logo]()
$1,022
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Tue 9/2212:15 am -
2 stops32h 15m
Mon 9/287:10 pm -
2 stops37h 15m
Deal found 8/1![EVA Air logo]()
$1,060
One-way flights from Dallas to Ko SamuiSearch for one-way flight options from Dallas to Ko Samui. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
Search for one-way flight options from Dallas to Ko Samui. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This SmartFares deal was found by Cheapflights users on 8/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:15 am -
2 stops28h 50m
Deal found 8/4![EVA Air logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:27 pm -
3 stops59h 08m
Deal found 8/4![Multiple Airlines logo]()
$603
This Booking.com deal was found by Cheapflights users on 8/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:15 am -
2 stops44h 00m
Deal found 8/4![EVA Air logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:15 am -
3 stops44h 10m
Deal found 8/4![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
3 stops36h 10m
Deal found 8/4![Multiple Airlines logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
3 stops59h 10m
Deal found 8/4![Multiple Airlines logo]()
$809
This Trip.com deal was found by Cheapflights users on 8/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:50 pm -
2 stops44h 20m
Deal found 8/4![EVA Air logo]()
$897
This Ovago deal was found by Cheapflights users on 8/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:55 pm -
1 stop32h 45m
Deal found 8/4![Cathay Pacific logo]()
$909
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 August 5, 2026.
Round-trip from | $989 (oojo) |
|---|---|
One-way from | $602 (SmartFares) |
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 August 5, 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
Cheapest round-trip
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Mon 9/21
12:15 am-2:45 pm
2 stops26h 30m
Ko Samui
Tue 9/29
6:00 am-8:25 pm
2 stops50h 25m
$1,022
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Wed 9/9
12:15 am-3:25 pm
2 stops27h 10m
Ko Samui
Mon 9/14
8:35 pm-8:25 pm
2 stops35h 50m
$1,054
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Sat 9/12
12:15 am-1:45 pm
2 stops25h 30m
Ko Samui
Sat 9/19
7:45 pm-8:25 pm
2 stops36h 40m
$1,059
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Tue 9/22
12:15 am-8:30 pm
2 stops32h 15m
Ko Samui
Mon 9/28
7:10 pm-8:25 pm
2 stops37h 15m
$1,060
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Sun 9/13
10:55 pm-7:40 pm
1 stop32h 45m
Ko Samui
Sat 9/19
11:55 am-5:50 pm
1 stop41h 55m
$1,420
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Sun 10/11
10:55 pm-7:40 pm
1 stop32h 45m
Ko Samui
Fri 10/23
11:55 am-5:50 pm
1 stop41h 55m
$1,485
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Tue 9/15
10:55 pm-7:40 pm
1 stop32h 45m
Ko Samui
Tue 9/22
11:55 am-5:50 pm
1 stop41h 55m
$1,547
Quickest round-trip
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Wed 9/2
10:55 pm-7:40 pm
1 stop32h 45m
Ko Samui
Wed 9/9
6:00 am-5:50 pm
2 stops23h 50m
$1,556
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Wed 9/2
6:45 am-8:15 am
3 stops37h 30m
Ko Samui
Wed 9/9
11:25 am-7:35 pm
2 stops44h 10m
$1,692
Cheapest one-way
DallasKo Samui
DFW - USM
DFWUSM
Dallas/Fort Worth
Sat 10/10
10:27 pm-9:35 pm
3 stops59h 08m
$603
Showing 1-10 of 13 resultsSorted by cheapest first
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.
A78-USM
DFW-USM
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
A78-USM
DFW-USM
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 151 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 11% 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.
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsKo 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.
Alternative routes
Complete your trip
Flights by cabin class
Ko Samui flight routes
Other flight options
Popular flights