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Koh Samui

$1,574+ Cheap flights from Houston to Koh Samui (USM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — USM
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Houston to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Round-trip from

$1,574
(FlightHub)
From Houston to Ko Samui
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Find flight deals from Houston to Koh Samui

Cheapest flights from Houston to Koh Samui
Explore the most affordable flight options available from Houston to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This FlightHub deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/305:50 pmIAH - USM
2 stops38h 00mQatar Airways
Tue 3/1112:30 pmUSM - IAH
2 stops40h 00mQatar Airways
Deal found 1/15$1,574
This FlightHub deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/303:05 pmIAH - USM
2 stops27h 35mMultiple Airlines
Wed 2/121:25 pmUSM - IAH
2 stops43h 00mMultiple Airlines
Deal found 1/16$1,651
This FlightHub deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/3011:30 pmIAH - USM
2 stops43h 10mEVA Air
Tue 3/1110:00 amUSM - IAH
2 stops24h 00mEVA Air
Deal found 1/16$1,674
This KAYAK deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/3011:57 amIAH - USM
3 stops41h 18mSingapore Airlines
Tue 3/118:55 amUSM - IAH
2 stops42h 30mSingapore Airlines
Deal found 1/16$2,694
This KAYAK deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:55 pmIAH - USM
3 stops46h 45mJapan Airlines
Wed 3/125:50 pmUSM - IAH
3 stops37h 26mJapan Airlines
Deal found 1/16$3,081
This AranGrant deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:31 pmHOU - USM
3 stops61h 14mJapan Airlines
Wed 3/127:00 pmUSM - HOU
3 stops35h 02mJapan Airlines
Deal found 1/16$3,528

Find flights from Houston to Koh Samui within your budget

Customize your flight search to find flights from Houston to Koh 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, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.

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Fly to

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Route

Depart

Return

Price

HoustonKoh Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Thu 1/30

5:50 pm-8:50 pm

2 stops38h 00m

Ko Samui

Tue 3/11

12:30 pm-4:30 pm

2 stops40h 00m

$1,574

HoustonKoh Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Thu 1/30

3:05 pm-7:40 am

2 stops27h 35m

Ko Samui

Wed 2/12

1:25 pm-7:25 pm

2 stops43h 00m

$1,651

HoustonKoh Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Thu 1/30

11:30 pm-7:40 am

2 stops43h 10m

Ko Samui

Tue 3/11

10:00 am-10:00 pm

2 stops24h 00m

$1,674

HoustonKoh Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Thu 1/30

11:57 am-6:15 pm

3 stops41h 18m

Ko Samui

Tue 3/11

8:55 am-3:25 pm

2 stops42h 30m

$2,694

HoustonKoh Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Mon 3/3

7:55 pm-7:40 am

3 stops46h 45m

Ko Samui

Wed 3/12

5:50 pm-7:16 pm

3 stops37h 26m

$3,081

HoustonKoh Samui

HOU - USM

HOUUSM

Houston Hobby

Mon 3/3

6:31 pm-8:45 pm

3 stops61h 14m

Ko Samui

Wed 3/12

7:00 pm-6:02 pm

3 stops35h 02m

$3,528

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Best time to book a flight from Houston to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Houston to Koh Samui

Get recent, data-driven insights about flights from Houston to Koh Samui including ideal travel times, pricing trends, and more.

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Koh Samui when rainfall is around 2.3 in.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated January 16, 2025.
EVA Air
8.4
Very good
1,248 reviews

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,248 reviews
EVA Air
8.4
Very good
1,248 reviews

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,448 reviews
EVA Air
8.4
Very good
1,248 reviews

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines
8.1
Very good
1,327 reviews
EVA Air
8.4
Very good
1,248 reviews

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Qatar Airways
7.5
Good
3,752 reviews
EVA Air
8.4
Very good
1,248 reviews

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from Houston to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Koh Samui from Houston?

    Most people fly into Ko Samui (USM) if they book a flight to Koh Samui from Houston. On average, Ko Samui has 0 inbound flights from Houston per day from 1 airline. Ko Samui is conveniently located just 2.1 mi from Koh Samui’s city center.

  • What are the cheapest airlines flying from Houston to Koh Samui round-trip?

    Our cheapest airline available from Houston to Koh Samui is Qatar Airways. Our recent data shows that you can find tickets from as low as $1,574 on this airline. Additional options worth looking into are EVA Air and Singapore Airlines, starting at $1,674 and $2,694 round-trip.

  • Can I find deals for flights from Houston to Koh Samui that include hotel bookings?

    Yes. In addition to deals on Houston to Koh Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Koh Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Koh Samui.

  • Can I find deals for business class flights from Houston to Koh Samui?

    Yes. Cheapflights offers flight deals from Houston to Koh Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Ko Pha Ngan
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Alternative routes for Houston to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Houston to Koh Samui

Discover the top airline that operate flights from Houston to Koh Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,156Average$1,598FlexibilityNo cancel feeOn-time74%
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