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Ko Samui

$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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — USM
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap 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 October 27, 2025.

Round-trip from

$1,086
(FlightHub)

One-way from

$602
(Kiwi.com)
From Dallas to Ko Samui
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One-way flight from Dallas to Ko Samui
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Find 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 October 27, 2025.

This FlightHub deal was found by Cheapflights users on 10/26. 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 11/2310:50 pmDFW - USM
2 stops27h 05mEVA Air
Sun 11/305:40 pmUSM - DFW
2 stops62h 25mEVA Air
Deal found 10/26$1,086
This oojo deal was found by Cheapflights users on 10/26. 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 11/2310:55 pmDFW - USM
1 stop31h 40mMultiple Airlines
Sun 11/308:30 amUSM - DFW
2 stops45h 20mMultiple Airlines
Deal found 10/26$1,530
This FlightHub deal was found by Cheapflights users on 10/24. 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 12/2310:50 pmDFW - USM
2 stops28h 35mMultiple Airlines
Tue 1/68:15 amUSM - DFW
2 stops47h 50mMultiple Airlines
Deal found 10/24$2,063

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 October 27, 2025.
Use the filters below to find and compare flights from Dallas to Ko Samui that are best for you.

Fly from

Dallas

Fly to

Ko Samui

Route

Depart

Return

Price

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 11/23

10:50 pm-2:55 pm

2 stops27h 05m

Ko Samui

Sun 11/30

5:40 pm-7:05 pm

2 stops62h 25m

$1,086

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 11/23

10:55 pm-7:35 pm

1 stop31h 40m

Ko Samui

Sun 11/30

8:30 am-4:50 pm

2 stops45h 20m

$1,530

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Tue 12/23

10:50 pm-4:25 pm

2 stops28h 35m

Ko Samui

Tue 1/6

8:15 am-7:05 pm

2 stops47h 50m

$2,063

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sat 2/14

1:34 pm-7:30 am

3 stops52h 56m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

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 October 27, 2025.

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.

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 fly from Dallas to Ko Samui in about 27h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between Dallas and Ko Samui is about 9289 mi.

  • 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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