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Cheap flights from Houston to Ko Samui from $494

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 11/24. 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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Find the cheapest flights from Houston to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
10:05 pm - 6:15 pmIAH-USM
56h 10m2 stops
Turkish Airlines Logo
1:25 pm - 2:10 pmUSM-IAH
36h 45m2 stops
$1,097Turkish Airlines
Find Deal
Thu, Mar 12 - Fri, Mar 27
Turkish Airlines Logo
10:05 pm - 3:40 pmIAH-USM
29h 35m2 stops
Turkish Airlines Logo
8:15 am - 12:45 pmUSM-IAH
64h 30m2 stops
$1,135Turkish Airlines
Find Deal
Sat, Mar 14 - Sat, Mar 28
EVA Air Logo
12:40 am - 2:55 pmIAH-USM
26h 15m2 stops
EVA Air Logo
9:20 am - 10:00 pmUSM-IAH
24h 40m2 stops
$1,248EVA Air
Find Deal
Wed, Mar 11 - Fri, Mar 27
Multiple Airlines Logo
12:40 am - 8:25 pmIAH-USM
31h 45m2 stops
Multiple Airlines Logo
7:00 am - 10:15 pmUSM-IAH
51h 15m2 stops
$1,307Multiple Airlines
Find Deal
Fri, Mar 13 - Sat, Mar 28
Multiple Airlines Logo
10:05 pm - 3:40 pmIAH-USM
29h 35m2 stops
Multiple Airlines Logo
5:05 pm - 4:24 pmUSM-IAH
35h 19m3 stops
$1,698Multiple Airlines
Find Deal
Sat, Mar 14 - Sat, Mar 28
Multiple Airlines Logo
12:40 am - 9:20 pmIAH-USM
32h 40m2 stops
Multiple Airlines Logo
5:05 pm - 4:24 pmUSM-IAH
35h 19m3 stops
$1,718Multiple Airlines
Find Deal
Fri, Mar 13 - Sat, Mar 28
Emirates Logo
7:10 pm - 9:05 pmIAH-USM
60h 55m2 stops
Emirates Logo
8:30 am - 4:20 pmUSM-IAH
44h 50m2 stops
$3,562Emirates
Find Deal
Sat, Dec 13 - Sat, Dec 20

Turkish Airlines flights from Houston to Ko Samui

Our best Turkish Airlines deals on Houston to Ko Samui flight tickets
Turkish Airlines
Mar 12
IAH10:05 pmHouston George Bush Intcntl
56h 10m
2 stops
USM6:15 pmKo Samui
Mar 27
USM1:25 pmKo Samui
36h 45m
2 stops
IAH2:10 pmHouston George Bush Intcntl
$1,097
Find similar
Turkish Airlines
Mar 14
IAH10:05 pmHouston George Bush Intcntl
29h 35m
2 stops
USM3:40 pmKo Samui
Mar 28
USM8:15 amKo Samui
64h 30m
2 stops
IAH12:45 pmHouston George Bush Intcntl
$1,135
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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, momondo users made 832,500 searches. Data last updated October 31, 2025.
Use the filters below to find and compare flights from Houston to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Thu 3/12

10:05 pm-6:15 pm

2 stops56h 10m

Ko Samui

Fri 3/27

1:25 pm-2:10 pm

2 stops36h 45m

$1,097

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Sat 3/14

10:05 pm-3:40 pm

2 stops29h 35m

Ko Samui

Sat 3/28

8:15 am-12:45 pm

2 stops64h 30m

$1,135

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Wed 3/11

12:40 am-2:55 pm

2 stops26h 15m

Ko Samui

Fri 3/27

9:20 am-10:00 pm

2 stops24h 40m

$1,248

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Fri 3/13

12:40 am-8:25 pm

2 stops31h 45m

Ko Samui

Sat 3/28

7:00 am-10:15 pm

2 stops51h 15m

$1,307

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Sat 3/14

10:05 pm-3:40 pm

2 stops29h 35m

Ko Samui

Sat 3/28

5:05 pm-4:24 pm

3 stops35h 19m

$1,698

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Fri 3/13

12:40 am-9:20 pm

2 stops32h 40m

Ko Samui

Sat 3/28

5:05 pm-4:24 pm

3 stops35h 19m

$1,718

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Sat 12/13

7:10 pm-9:05 pm

2 stops60h 55m

Ko Samui

Sat 12/20

8:30 am-4:20 pm

2 stops44h 50m

$3,562

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Mon 11/24

10:39 am-8:10 am

3 stops56h 31m

$494

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Tue 11/25

5:00 am-8:10 am

3 stops38h 10m

$552

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Wed 11/26

7:13 am-7:30 am

3 stops59h 17m

$570

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Ko Samui from

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

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

Direct flights

None
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 26h 15m 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 many operators does momondo search for flights from Houston to Ko Samui Airport?

  • 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.

Best airlines flying from Houston to Ko Samui

Compare and see reviews for airlines that fly from Houston to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom $1,113Free CancellationRating
8.4
1,268 reviews
Search EVA Air flights

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
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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