Cheap flights from Houston to Ko Samui from $908

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 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
EVA Air Logo
1:10 am - 4:35 pm
IAH
-
USM
27h 25m
2 stops
EVA Air Logo
9:15 am - 10:25 pm
USM
-
IAH
25h 10m
2 stops
$1,272EVA Air
Thu, Sep 10 - Tue, Sep 15
Emirates Logo
7:35 pm - 5:45 pm
IAH
-
USM
34h 10m
2 stops
Emirates Logo
8:00 am - 4:50 pm
USM
-
IAH
44h 50m
2 stops
$1,578Emirates
Sun, Apr 19 - Sun, Apr 26
Turkish Airlines Logo
9:05 pm - 9:10 pm
IAH
-
USM
36h 05m
2 stops
Turkish Airlines Logo
4:25 pm - 7:10 pm
USM
-
IAH
38h 45m
2 stops
$1,674Turkish Airlines
Mon, Jul 20 - Wed, Aug 12
EVA Air Logo
1:35 am - 8:30 pm
IAH
-
USM
30h 55m
2 stops
EVA Air Logo
8:10 am - 10:50 pm
USM
-
IAH
26h 40m
2 stops
$1,718EVA Air
Mon, Jul 6 - Mon, Jul 13
Multiple Airlines Logo
1:35 am - 3:10 pm
IAH
-
USM
25h 35m
2 stops
Multiple Airlines Logo
4:25 pm - 10:50 pm
USM
-
IAH
42h 25m
2 stops
$1,781Multiple Airlines
Sun, Jul 19 - Thu, Aug 13
Cathay Pacific Logo
9:36 am - 7:40 pm
HOU
-
USM
46h 04m
2 stops
Cathay Pacific Logo
11:55 am - 11:53 pm
USM
-
HOU
47h 58m
2 stops
$2,152Cathay Pacific
Fri, Jul 17 - Sun, Aug 9
Multiple Airlines Logo
12:42 pm - 7:40 pm
HOU
-
USM
42h 58m
2 stops
Multiple Airlines Logo
11:55 am - 11:47 pm
USM
-
HOU
47h 52m
2 stops
$2,166Multiple Airlines
Sat, May 9 - Sat, May 16
Cathay Pacific Logo
9:36 am - 7:40 pm
HOU
-
USM
46h 04m
2 stops
Cathay Pacific Logo
11:55 am - 11:53 pm
USM
-
HOU
47h 58m
2 stops
$2,244Cathay Pacific
Mon, Jul 20 - Wed, Aug 12
Japan Airlines Logo
8:21 pm - 11:15 am
HOU
-
USM
50h 54m
3 stops
Japan Airlines Logo
6:25 pm - 3:48 pm
USM
-
HOU
57h 23m
3 stops
$2,616Japan Airlines
Sun, Apr 19 - Sun, Apr 26
Japan Airlines Logo
8:21 pm - 8:35 am
HOU
-
USM
48h 14m
3 stops
Japan Airlines Logo
6:25 pm - 3:49 pm
USM
-
HOU
33h 24m
3 stops
$2,942Japan Airlines
Sat, May 9 - Sat, May 16

Emirates flights from Houston to Ko Samui

Our best Emirates deals on Houston to Ko Samui flight tickets
Emirates
Apr 19
IAH7:35 pmHouston George Bush Intcntl
34h 10m
2 stops
USM5:45 pmKo Samui
Apr 26
USM8:00 amKo Samui
44h 50m
2 stops
IAH4:50 pmHouston George Bush Intcntl
$1,578
Emirates
Jul 19
IAH7:35 pmHouston George Bush Intcntl
37h 35m
2 stops
USM9:10 pmKo Samui
Aug 12
USM4:25 pmKo Samui
36h 25m
2 stops
IAH4:50 pmHouston George Bush Intcntl
$2,024

Japan Airlines flights from Houston to Ko Samui

Our best Japan Airlines deals on Houston to Ko Samui flight tickets
Japan Airlines
Apr 19
HOU8:21 pmHouston Hobby
50h 54m
3 stops
USM11:15 amKo Samui
Apr 26
USM6:25 pmKo Samui
57h 23m
3 stops
HOU3:48 pmHouston Hobby
$2,616
Japan Airlines
May 9
HOU8:21 pmHouston Hobby
48h 14m
3 stops
USM8:35 amKo Samui
May 16
USM6:25 pmKo Samui
33h 24m
3 stops
HOU3:49 pmHouston Hobby
$2,942

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 March 28, 2026.
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

Cheapest round-trip
Quickest round-trip

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Thu 9/10

1:10 am-4:35 pm

2 stops27h 25m

Ko Samui

Tue 9/15

9:15 am-10:25 pm

2 stops25h 10m

$1,272

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Sun 4/19

7:35 pm-5:45 pm

2 stops34h 10m

Ko Samui

Sun 4/26

8:00 am-4:50 pm

2 stops44h 50m

$1,578

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Mon 7/20

9:05 pm-9:10 pm

2 stops36h 05m

Ko Samui

Wed 8/12

4:25 pm-7:10 pm

2 stops38h 45m

$1,674

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Mon 7/6

1:35 am-8:30 pm

2 stops30h 55m

Ko Samui

Mon 7/13

8:10 am-10:50 pm

2 stops26h 40m

$1,718

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Sun 7/19

1:35 am-3:10 pm

2 stops25h 35m

Ko Samui

Thu 8/13

4:25 pm-10:50 pm

2 stops42h 25m

$1,781

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Fri 7/17

9:36 am-7:40 pm

2 stops46h 04m

Ko Samui

Sun 8/9

11:55 am-11:53 pm

2 stops47h 58m

$2,152

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Sat 5/9

12:42 pm-7:40 pm

2 stops42h 58m

Ko Samui

Sat 5/16

11:55 am-11:47 pm

2 stops47h 52m

$2,166

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Mon 7/20

9:36 am-7:40 pm

2 stops46h 04m

Ko Samui

Wed 8/12

11:55 am-11:53 pm

2 stops47h 58m

$2,244

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Sun 4/19

8:21 pm-11:15 am

3 stops50h 54m

Ko Samui

Sun 4/26

6:25 pm-3:48 pm

3 stops57h 23m

$2,616

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Sat 5/9

8:21 pm-8:35 am

3 stops48h 14m

Ko Samui

Sat 5/16

6:25 pm-3:49 pm

3 stops33h 24m

$2,942

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Fastest flight time

25h 10m

Direct flights

None
The fastest flight from Houston to Ko Samui takes 25h 10m
There are no direct flights from Houston to Ko Samui. There are no popular flight routes from Houston to Ko Samui.
  • 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 25h 10m 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.

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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1 adult
Mon 4/27
Mon 5/4

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