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

Turkish Airlines and EVA Air 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 many operators does momondo search for flights from Houston to Ko Samui Airport?

There is 1 operator available for flights from Houston to Ko Samui Airport as of September 2025.

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 2025/26

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Find the cheapest flights from Houston to Ko Samui

Round-trip

One-way

Last minute

Cheap round-trip flights

9:00 pm - 6:00 pmIAH-USM

33h 00m2 stops

7:30 pm - 7:05 pmUSM-IAH

35h 35m2 stops

$1,154Multiple Airlines

Find Deal

Wed, Oct 1 - Mon, Oct 6

1:10 am - 3:45 pmIAH-USM

26h 35m2 stops

8:00 am - 10:15 pmUSM-IAH

26h 15m2 stops

$1,208Multiple Airlines

Find Deal

Tue, Sep 30 - Mon, Oct 6

1:10 am - 3:10 pmIAH-USM

26h 00m2 stops

8:00 am - 10:15 pmUSM-IAH

26h 15m2 stops

$1,256Multiple Airlines

Find Deal

Tue, Sep 30 - Mon, Oct 6

7:21 am - 8:15 amIAH-USM

36h 54m3 stops

8:50 pm - 10:15 pmUSM-IAH

37h 25m2 stops

$1,366EVA Air

Find Deal

Wed, Oct 1 - Mon, Oct 6

1:00 am - 3:45 pmIAH-USM

26h 45m2 stops

7:10 pm - 10:15 pmUSM-IAH

39h 05m2 stops

$1,394EVA Air

Find Deal

Wed, Oct 1 - Mon, Oct 6

2:55 pm - 6:15 pmIAH-USM

38h 20m2 stops

1:25 pm - 7:10 pmUSM-IAH

66h 45m2 stops

$1,486Turkish Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

6:25 pm - 6:15 pmIAH-USM

35h 50m2 stops

4:25 pm - 3:50 pmUSM-IAH

35h 25m2 stops

$1,518Qatar Airways

Find Deal

Thu, Oct 2 - Mon, Oct 6

7:21 am - 8:15 amIAH-USM

36h 54m3 stops

8:50 pm - 3:38 pmUSM-IAH

30h 48m3 stops

$1,533EVA Air

Find Deal

Wed, Oct 1 - Mon, Oct 6

7:30 am - 11:00 amIAH-USM

38h 30m3 stops

7:00 am - 8:50 pmUSM-IAH

26h 50m2 stops

$1,620Multiple Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

1:10 am - 2:45 pmIAH-USM

25h 35m2 stops

6:25 pm - 4:40 pmUSM-IAH

34h 15m3 stops

$1,684Multiple Airlines

Find Deal

Tue, Sep 30 - Mon, Oct 6

EVA Air flights from Houston to Ko Samui

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

EVA Air

Sep 17

IAH1:10 amHouston George Bush Intcntl

26h 00m

2 stops

USM3:10 pmKo Samui

Sep 20

USM7:10 pmKo Samui

39h 15m

2 stops

IAH10:25 pmHouston George Bush Intcntl

$1,151

Find similar

EVA Air

Oct 1

IAH7:21 amHouston George Bush Intcntl

36h 54m

3 stops

USM8:15 amKo Samui

Oct 6

USM8:50 pmKo Samui

37h 25m

2 stops

IAH10:15 pmHouston George Bush Intcntl

$1,366

Find similar

EVA Air

Oct 1

IAH1:00 amHouston George Bush Intcntl

26h 45m

2 stops

USM3:45 pmKo Samui

Oct 6

USM7:10 pmKo Samui

39h 05m

2 stops

IAH10:15 pmHouston George Bush Intcntl

$1,394

Find similar

Qatar Airways flights from Houston to Ko Samui

Our best Qatar Airways deals on Houston to Ko Samui flight tickets

Qatar Airways

Oct 2

IAH6:25 pmHouston George Bush Intcntl

35h 50m

2 stops

USM6:15 pmKo Samui

Oct 6

USM4:25 pmKo Samui

35h 25m

2 stops

IAH3:50 pmHouston George Bush Intcntl

$1,518

Find similar

Qatar Airways

Sep 18

IAH6:25 pmHouston George Bush Intcntl

28h 05m

2 stops

USM10:30 amKo Samui

Sep 20

USM5:55 pmKo Samui

33h 55m

2 stops

IAH3:50 pmHouston George Bush Intcntl

$1,721

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Wed 10/1

9:00 pm-6:00 pm

2 stops33h 00m

Ko Samui

Mon 10/6

7:30 pm-7:05 pm

2 stops35h 35m

$1,154

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Tue 9/30

1:10 am-3:45 pm

2 stops26h 35m

Ko Samui

Mon 10/6

8:00 am-10:15 pm

2 stops26h 15m

$1,208

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Tue 9/30

1:10 am-3:10 pm

2 stops26h 00m

Ko Samui

Mon 10/6

8:00 am-10:15 pm

2 stops26h 15m

$1,256

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Wed 10/1

7:21 am-8:15 am

3 stops36h 54m

Ko Samui

Mon 10/6

8:50 pm-10:15 pm

2 stops37h 25m

$1,366

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Wed 10/1

1:00 am-3:45 pm

2 stops26h 45m

Ko Samui

Mon 10/6

7:10 pm-10:15 pm

2 stops39h 05m

$1,394

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Sat 11/22

2:55 pm-6:15 pm

2 stops38h 20m

Ko Samui

Fri 11/28

1:25 pm-7:10 pm

2 stops66h 45m

$1,486

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Thu 10/2

6:25 pm-6:15 pm

2 stops35h 50m

Ko Samui

Mon 10/6

4:25 pm-3:50 pm

2 stops35h 25m

$1,518

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Wed 10/1

7:21 am-8:15 am

3 stops36h 54m

Ko Samui

Mon 10/6

8:50 pm-3:38 pm

3 stops30h 48m

$1,533

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Sat 11/22

7:30 am-11:00 am

3 stops38h 30m

Ko Samui

Fri 11/28

7:00 am-8:50 pm

2 stops26h 50m

$1,620

HoustonKo Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Tue 9/30

1:10 am-2:45 pm

2 stops25h 35m

Ko Samui

Mon 10/6

6:25 pm-4:40 pm

3 stops34h 15m

$1,684

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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.

Search flight deals

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 35m 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?
There is 1 operator available for flights from Houston to Ko Samui Airport as of September 2025.
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 Air	PriceFrom $1,296	Free Cancellation	Rating 8.4 1,236 reviews		Search EVA Air flights

Ko Pha Ngan

Ko Tao

Khanom

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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.