How long is the flight from Dallas to Ko Samui?

Airlines like Cathay Pacific fly from Dallas to Ko Samui in about 31h 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.

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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

When flying from Dallas to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$570+ Cheap Flights from Dallas to Ko Samui

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Cheap flight deals from Dallas to Ko Samui

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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 September 17, 2026.

Sun 11/111:30 pm -

2 stops26h 50m

Sun 11/88:30 pm -

2 stops33h 20m

Deal found 9/17

$976

Thu 10/2911:30 pm -

2 stops29h 30m

Thu 11/57:55 am -

2 stops21h 55m

Deal found 9/13

$980

Sun 10/2511:30 pm -

1 stop32h 05m

Thu 10/298:30 pm -

2 stops33h 20m

Deal found 9/14

$1,031

Thu 11/511:30 pm -

1 stop31h 05m

Mon 11/97:55 am -

2 stops21h 55m

Deal found 9/15

$1,043

Thu 11/511:05 pm -

2 stops30h 00m

Mon 11/98:30 am -

2 stops23h 35m

Deal found 9/15

$1,111

Best flights from Dallas to Ko Samui
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 September 17, 2026.

Sun 11/111:30 pm -

2 stops26h 50m

Sun 11/88:30 pm -

2 stops33h 20m

Deal found 9/17

$976

Thu 11/511:30 pm -

1 stop31h 05m

Mon 11/97:55 am -

2 stops21h 55m

Deal found 9/16

$1,043

Thu 11/511:05 pm -

2 stops27h 15m

Mon 11/97:55 am -

2 stops24h 10m

Deal found 9/16

$1,111

Thu 10/2911:30 pm -

2 stops29h 30m

Thu 11/57:55 am -

2 stops21h 55m

Deal found 9/13

$980

Sat 10/2412:15 am -

2 stops27h 05m

Thu 10/2910:20 am -

3 stops32h 00m

Deal found 9/14

$1,527

Find flight deals from Dallas to Ko Samui

Round-trip from	$976 (Booking.com)
One-way from	$570 (KAYAK)

From Dallas to Ko Samui

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One-way flight from Dallas to Ko Samui

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Price

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DallasKo Samui

DFW Dallas/Fort Worth - USM Ko Samui

DFWUSM

Dallas/Fort Worth

Wed 9/23

10:55 pm-3:45 pm

2 stops28h 50m

Ko Samui

Wed 12/31

12:00 am-11:00 am

Nonstop0h 00m

$570

DallasKo Samui

DFW Dallas/Fort Worth - USM Ko Samui

DFWUSM

Dallas/Fort Worth

Sun 11/1

11:30 pm-3:20 pm

2 stops26h 50m

Ko Samui

Sun 11/8

8:30 pm-4:50 pm

2 stops33h 20m

$976

DallasKo Samui

DFW Dallas/Fort Worth - USM Ko Samui

DFWUSM

Dallas/Fort Worth

Thu 10/29

11:30 pm-5:00 pm

2 stops29h 30m

Ko Samui

Thu 11/5

7:55 am-4:50 pm

2 stops21h 55m

$980

DallasKo Samui

DFW Dallas/Fort Worth - USM Ko Samui

DFWUSM

Dallas/Fort Worth

Thu 11/5

11:30 pm-7:35 pm

1 stop31h 05m

Ko Samui

Mon 11/9

7:55 am-4:50 pm

2 stops21h 55m

$1,043

DallasKo Samui

DFW Dallas/Fort Worth - USM Ko Samui

DFWUSM

Dallas/Fort Worth

Thu 11/5

11:05 pm-3:20 pm

2 stops27h 15m

Ko Samui

Mon 11/9

7:55 am-7:05 pm

2 stops24h 10m

$1,111

DallasKo Samui

DFW Dallas/Fort Worth - USM Ko Samui

DFWUSM

Dallas/Fort Worth

Sat 10/24

12:15 am-3:20 pm

2 stops27h 05m

Ko Samui

Thu 10/29

10:20 am-6:20 am

3 stops32h 00m

$1,527

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Sorted 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.

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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 23% of weekly flights between Dallas and Ko Samui have experienced delays in the past year, with the average delay time being 157 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 at night tend to experience delays more often.

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

Friday 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, Frontier have had the lowest number of delays on this route, with just 15% of flights being delayed.

Related info for your journey

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 Cathay Pacific fly from Dallas to Ko Samui in about 31h 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.

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$570+ Cheap flights from Dallas to Ko Samui (USM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dallas to Ko Samui with Cheapflights

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Cheap flight deals from Dallas to Ko Samui

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 September 17, 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 September 17, 2026.

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 September 17, 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 September 17, 2026.

Last-minute flights from Dallas to Ko SamuiDiscover last-minute flight deals from Dallas to Ko Samui. Data last updated September 17, 2026 and is based on user searches.

Discover last-minute flight deals from Dallas to Ko Samui. Data last updated September 17, 2026 and is based on user searches.

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 September 17, 2026.

Search for one-way flight options from Dallas to Ko Samui. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

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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.

Cheapflights Insights

How often are flights from Dallas to Ko Samui delayed?

About 23% of weekly flights between Dallas and Ko Samui have experienced delays in the past year, with the average delay time being 157 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 at night tend to experience delays more often.

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

Friday 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, Frontier have had the lowest number of delays on this route, with just 15% of flights being delayed.

Related info for your journey

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

How long is the flight from Dallas to Ko Samui?

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

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

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

Traveling to a place near Ko Samui?

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Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.

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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 September 17, 2026.

Best flights from Dallas to Ko Samui
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 September 17, 2026.

Last-minute flights from Dallas to Ko Samui
Discover last-minute flight deals from Dallas to Ko Samui. Data last updated September 17, 2026 and is based on user searches.

One-way flights from Dallas to Ko Samui
Search for one-way flight options from Dallas to Ko Samui. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.