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Cheap flights from Houston Hobby Airport to Ko Samui from $1,654

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston Hobby Airport to Ko Samui departing on 5/5. 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 Hobby Airport to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
12:42 pm - 7:40 pm
HOU
-
USM
42h 58m
2 stops
Cathay Pacific Logo
11:55 am - 11:54 pm
USM
-
HOU
47h 59m
2 stops
$1,654Cathay Pacific
Tue, May 5 - Tue, May 12
Cathay Pacific Logo
8:21 pm - 7:40 pm
HOU
-
USM
35h 19m
2 stops
Cathay Pacific Logo
11:55 am - 9:26 am
USM
-
HOU
57h 31m
2 stops
$1,802Cathay Pacific
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
4:19 pm - 7:40 pm
HOU
-
USM
39h 21m
2 stops
Multiple Airlines Logo
6:55 pm - 3:49 pm
USM
-
HOU
56h 54m
3 stops
$1,935Multiple Airlines
Mon, May 11 - Mon, May 18
Japan Airlines Logo
4:19 pm - 11:15 am
HOU
-
USM
54h 56m
3 stops
Japan Airlines Logo
6:00 am - 12:12 pm
USM
-
HOU
42h 12m
3 stops
$2,141Japan Airlines
Mon, May 11 - Mon, May 18
Japan Airlines Logo
8:21 pm - 8:35 am
HOU
-
USM
48h 14m
3 stops
Japan Airlines Logo
6:00 am - 12:12 pm
USM
-
HOU
42h 12m
3 stops
$2,199Japan Airlines
Mon, May 11 - Mon, May 18
Japan Airlines Logo
6:01 am - 8:35 am
HOU
-
USM
38h 34m
3 stops
Japan Airlines Logo
6:25 pm - 3:49 pm
USM
-
HOU
33h 24m
3 stops
$2,398Japan Airlines
Tue, May 5 - Tue, May 12
Japan Airlines Logo
8:21 pm - 8:35 am
HOU
-
USM
48h 14m
3 stops
Japan Airlines Logo
5:25 pm - 3:49 pm
USM
-
HOU
34h 24m
3 stops
$2,405Japan Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
4:18 pm - 7:40 pm
HOU
-
USM
39h 22m
2 stops
Multiple Airlines Logo
11:55 am - 9:26 am
USM
-
HOU
33h 31m
3 stops
$4,595Multiple Airlines
Tue, May 5 - Tue, May 12

Cathay Pacific flights from Houston Hobby Airport to Ko Samui

Our best Cathay Pacific deals on Houston Hobby Airport to Ko Samui flight tickets
Cathay Pacific
May 5
HOU12:42 pmHouston Hobby
42h 58m
2 stops
USM7:40 pmKo Samui
May 12
USM11:55 amKo Samui
47h 59m
2 stops
HOU11:54 pmHouston Hobby
$1,654
Cathay Pacific
May 11
HOU8:21 pmHouston Hobby
35h 19m
2 stops
USM7:40 pmKo Samui
May 18
USM11:55 amKo Samui
57h 31m
2 stops
HOU9:26 amHouston Hobby
$1,802

Japan Airlines flights from Houston Hobby Airport to Ko Samui

Our best Japan Airlines deals on Houston Hobby Airport to Ko Samui flight tickets
Japan Airlines
May 11
HOU4:19 pmHouston Hobby
54h 56m
3 stops
USM11:15 amKo Samui
May 18
USM6:00 amKo Samui
42h 12m
3 stops
HOU12:12 pmHouston Hobby
$2,141
Japan Airlines
May 11
HOU8:21 pmHouston Hobby
48h 14m
3 stops
USM8:35 amKo Samui
May 18
USM6:00 amKo Samui
42h 12m
3 stops
HOU12:12 pmHouston Hobby
$2,199
Japan Airlines
May 5
HOU6:01 amHouston Hobby
38h 34m
3 stops
USM8:35 amKo Samui
May 12
USM6:25 pmKo Samui
33h 24m
3 stops
HOU3:49 pmHouston Hobby
$2,398

momondo Fare Finder

 
Customize your flight search to find flights from Houston Hobby Airport 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 April 5, 2026.
Use the filters below to find and compare flights from Houston Hobby Airport to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Tue 5/5

12:42 pm-7:40 pm

2 stops42h 58m

Ko Samui

Tue 5/12

11:55 am-11:54 pm

2 stops47h 59m

$1,654

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Mon 5/11

8:21 pm-7:40 pm

2 stops35h 19m

Ko Samui

Mon 5/18

11:55 am-9:26 am

2 stops57h 31m

$1,802

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Mon 5/11

4:19 pm-7:40 pm

2 stops39h 21m

Ko Samui

Mon 5/18

6:55 pm-3:49 pm

3 stops56h 54m

$1,935

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Mon 5/11

4:19 pm-11:15 am

3 stops54h 56m

Ko Samui

Mon 5/18

6:00 am-12:12 pm

3 stops42h 12m

$2,141

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Mon 5/11

8:21 pm-8:35 am

3 stops48h 14m

Ko Samui

Mon 5/18

6:00 am-12:12 pm

3 stops42h 12m

$2,199
Quickest round-trip

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Tue 5/5

6:01 am-8:35 am

3 stops38h 34m

Ko Samui

Tue 5/12

6:25 pm-3:49 pm

3 stops33h 24m

$2,398

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Mon 5/11

8:21 pm-8:35 am

3 stops48h 14m

Ko Samui

Mon 5/18

5:25 pm-3:49 pm

3 stops34h 24m

$2,405

HoustonKo Samui

HOU - USM

HOUUSM

Houston Hobby

Tue 5/5

4:18 pm-7:40 pm

2 stops39h 22m

Ko Samui

Tue 5/12

11:55 am-9:26 am

3 stops33h 31m

$4,595

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Houston Hobby Airport 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 Hobby Airport 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 Hobby Airport 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.

When to book flights from Houston Hobby Airport to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Houston Hobby Airport to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston Hobby Airport to Ko Samui (HOU to USM) flight deals and tips

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

Fastest flight time

28h 15m

Direct flights

None
The fastest flight from Houston Hobby Airport to Ko Samui takes 28h 15m
There are no direct flights from Houston Hobby Airport to Ko Samui. There are no popular flight routes from Houston Hobby Airport to Ko Samui.
Search flight deals

Frequently asked questions about flying from Houston Hobby Airport to Ko Samui

  • How far is Houston Hobby to Ko Samui by plane?

    The distance between Houston Hobby and Ko Samui is about 9538.0 mi. Flights usually cover this in 28h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Houston Hobby Airport to Ko Samui Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston Hobby Airport to Ko Samui Airport.

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

    The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

It is quick and easy to find Houston to Ko Samui flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ko Samui that suits you.

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

momondo does allow users to show only those flights to Ko Samui from Houston which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ko Samui from Houston.

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

Yes. momondo can track prices for Houston to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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