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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

According to our data, Atlas Air have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How often are flights from Houston to Ko Samui delayed?

Historically, on average around 19% of flights between Houston and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

What is the cheapest airline that flies from Houston to Ko Samui?

Qatar Airways and Japan Airlines are the most popular carriers operating from Houston to Ko Samui

When did momondo last update prices for flights from Houston to Ko Samui Airport?

Prices for flights from Houston to Ko Samui Airport are updated daily.

How old do you have to be to fly from Houston to Ko Samui Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$79 Cheap Flights from Houston to Ko Samui in 2026

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Find the cheapest flights from Houston to Ko Samui

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9:05 pm - 3:25 pm

IAH

USM

30h 20m

2 stops

7:55 pm - 7:10 pm

USM

IAH

35h 15m

2 stops

$1,414Multiple Airlines

tir., juli 7 - man., juli 13

9:05 pm - 3:25 pm

IAH

USM

30h 20m

2 stops

7:45 pm - 7:10 pm

USM

IAH

35h 25m

2 stops

$1,418Multiple Airlines

tir., juli 7 - man., juli 13

9:05 pm - 1:05 pm

IAH

USM

51h 00m

2 stops

8:15 am - 8:10 pm

USM

IAH

71h 55m

2 stops

$1,440Multiple Airlines

lør., mar. 7 - lør., mar. 14

2:30 pm - 8:15 am

IAH

USM

29h 45m

2 stops

4:25 pm - 7:10 pm

USM

IAH

62h 45m

2 stops

$1,519Multiple Airlines

fre., juli 10 - fre., juli 17

1:35 am - 1:45 pm

IAH

USM

24h 10m

2 stops

2:00 pm - 6:16 am

USM

IAH

28h 16m

3 stops

$1,645EVA Air

man., juli 6 - man., juli 13

6:40 pm - 7:35 pm

IAH

USM

59h 55m

2 stops

11:40 am - 11:53 pm

USM

IAH

48h 13m

2 stops

$1,667Cathay Pacific

lør., mar. 7 - lør., mar. 14

1:35 am - 1:45 pm

IAH

USM

24h 10m

2 stops

2:00 pm - 6:16 am

USM

IAH

28h 16m

3 stops

$1,698EVA Air

man., juli 6 - man., juli 13

6:40 pm - 7:35 pm

IAH

USM

59h 55m

2 stops

11:40 am - 11:53 pm

USM

IAH

48h 13m

2 stops

$1,767Cathay Pacific

lør., mar. 7 - lør., mar. 14

8:04 pm - 7:30 am

IAH

USM

47h 26m

3 stops

7:50 am - 1:24 pm

USM

IAH

41h 34m

3 stops

$2,264Japan Airlines

tir., juli 7 - man., juli 13

6:00 am - 8:05 am

HOU

USM

38h 05m

3 stops

7:00 pm - 11:48 am

USM

HOU

52h 48m

3 stops

$4,102Japan Airlines

fre., mar. 20 - fre., mar. 27

Cathay Pacific flights from Houston to Ko Samui

Our best Cathay Pacific deals on Houston to Ko Samui flight tickets

Cathay Pacific

Mar 7

IAH6:40 pmHouston George Bush Intcntl

59h 55m

2 stops

USM7:35 pmKo Samui

Mar 14

USM11:40 amKo Samui

48h 13m

2 stops

IAH11:53 pmHouston George Bush Intcntl

$1,667

Cathay Pacific

Mar 7

IAH6:40 pmHouston George Bush Intcntl

59h 55m

2 stops

USM7:35 pmKo Samui

Mar 14

USM11:40 amKo Samui

48h 13m

2 stops

IAH11:53 pmHouston George Bush Intcntl

$1,767

EVA Air flights from Houston to Ko Samui

Our best EVA Air deals on Houston to Ko Samui flight tickets

EVA Air

Jul 6

IAH1:35 amHouston George Bush Intcntl

24h 10m

2 stops

USM1:45 pmKo Samui

Jul 13

USM2:00 pmKo Samui

28h 16m

3 stops

IAH6:16 amHouston George Bush Intcntl

$1,645

EVA Air

Jul 6

IAH1:35 amHouston George Bush Intcntl

24h 10m

2 stops

USM1:45 pmKo Samui

Jul 13

USM2:00 pmKo Samui

28h 16m

3 stops

IAH6:16 amHouston George Bush Intcntl

$1,698

EVA Air

Jul 9

IAH1:35 amHouston George Bush Intcntl

25h 10m

2 stops

USM2:45 pmKo Samui

Jul 17

USM2:00 pmKo Samui

28h 16m

3 stops

IAH6:16 amHouston George Bush Intcntl

$1,763

Fly from

Fly to

Route

Depart

Return

Price

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

tir. 7/7

9:05 pm-3:25 pm

2 stops30h 20m

Ko Samui

man. 7/13

7:55 pm-7:10 pm

2 stops35h 15m

$1,414

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

tir. 7/7

9:05 pm-3:25 pm

2 stops30h 20m

Ko Samui

man. 7/13

7:45 pm-7:10 pm

2 stops35h 25m

$1,418

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

lør. 3/7

9:05 pm-1:05 pm

2 stops51h 00m

Ko Samui

lør. 3/14

8:15 am-8:10 pm

2 stops71h 55m

$1,440

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

fre. 7/10

2:30 pm-8:15 am

2 stops29h 45m

Ko Samui

fre. 7/17

4:25 pm-7:10 pm

2 stops62h 45m

$1,519

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

man. 7/6

1:35 am-1:45 pm

2 stops24h 10m

Ko Samui

man. 7/13

2:00 pm-6:16 am

3 stops28h 16m

$1,645

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

lør. 3/7

6:40 pm-7:35 pm

2 stops59h 55m

Ko Samui

lør. 3/14

11:40 am-11:53 pm

2 stops48h 13m

$1,667

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

man. 7/6

1:35 am-1:45 pm

2 stops24h 10m

Ko Samui

man. 7/13

2:00 pm-6:16 am

3 stops28h 16m

$1,698

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

lør. 3/7

6:40 pm-7:35 pm

2 stops59h 55m

Ko Samui

lør. 3/14

11:40 am-11:53 pm

2 stops48h 13m

$1,767

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

tir. 7/7

8:04 pm-7:30 am

3 stops47h 26m

Ko Samui

man. 7/13

7:50 am-1:24 pm

3 stops41h 34m

$2,264

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

fre. 3/20

6:00 am-8:05 am

3 stops38h 05m

Ko Samui

fre. 3/27

7:00 pm-11:48 am

3 stops52h 48m

$4,102

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the cheapest day to depart on your flight to Ko Samui?

Our data shows that Tuesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $158. Flights from Houston to Ko Samui on a Sunday will generally be more expensive and average around $478. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Houston to Ko Samui flights are usually those with departure times at noon. Our users have found flights to Ko Samui at noon for as low as $195. In the morning is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $387 per ticket.

Cheap Houston to Ko Samui flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Ko Samui

Fastest flight time	29h 45m
Direct flights	None

The fastest flight from Houston to Ko Samui takes 29h 45m

There are no direct flights from Houston to Ko Samui. There are no popular flight routes from Houston to Ko Samui.

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How far is Houston to Ko Samui by plane?
The distance between Houston and Ko Samui is about 9528.9 mi. Typically, this will take 29h 45m by plane in normal conditions.
When did momondo last update prices for flights from Houston to Ko Samui Airport?
Prices for flights from Houston to Ko Samui Airport are updated daily.
How old do you have to be to fly from Houston to Ko Samui Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Ko Tao

Ko Pha Ngan

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Ko Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Ko Samui. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Ko Samui?

Once you have performed a search for Houston to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Ko Samui right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ko Samui from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Houston to Ko Samui from $1,138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Ko Samui departing on 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Houston to Ko Samui

What is the cheapest day to depart on your flight to Ko Samui?

What is the cheapest time of day to depart on your flight to Ko Samui?

What is the cheapest airline that flies from Houston to Ko Samui?

Qatar Airways and Japan Airlines are the most popular carriers operating from Houston to Ko Samui

How often are flights from Houston to Ko Samui delayed?

Historically, on average around 19% of flights between Houston and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Atlas Air have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Cheap Houston to Ko Samui flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Ko Samui

Fastest flight time

Direct flights

How far is Houston to Ko Samui by plane?

When did momondo last update prices for flights from Houston to Ko Samui Airport?

How old do you have to be to fly from Houston to Ko Samui Airport?

What documentation or ID do you need to fly to Ko Samui Airport?

Traveling to a place near Ko Samui?

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Ko Samui?

Can I find flights from Houston to Ko Samui with flexible booking policies on momondo?

How can momondo help me find flights from Houston to Ko Samui?

I’m not ready to book a flight from Houston to Ko Samui right now. Can momondo alert me if prices change?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

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List of cabin classes available on flights landing in Ko Samui. Availability may vary depending on flight origin and airline.

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