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Koh Samui

$1,309+ Cheap flights from George Bush Intcntl (IAH) 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — USM
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Koh Samui with Cheapflights

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Cheap flight deals from George Bush Intcntl to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,353
(FlightHub)
Provider with most accurate pricing for Houston George Bush Intcntl-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Ko Samui flights.
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From Houston George Bush Intcntl to Ko Samui
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Find flight deals from George Bush Intcntl to Koh Samui

Cheapest flights from George Bush Intcntl to Koh Samui
Explore the most affordable flight options available from George Bush Intcntl to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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.
Tue 9/301:10 amIAH - USM
2 stops32h 25mEVA Air
Thu 10/168:00 amUSM - IAH
2 stops26h 15mEVA Air
Deal found 2/20$1,309
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Wed 10/16:10 pmIAH - USM
2 stops27h 10mQatar Airways
Thu 10/165:55 pmUSM - IAH
2 stops33h 55mQatar Airways
Deal found 2/20$1,366
This Gurufare deal was found by Cheapflights users on 2/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:00 pmIAH - USM
2 stops58h 35mCathay Pacific
Thu 10/167:00 amUSM - IAH
3 stops27h 00mCathay Pacific
Deal found 2/20$1,906
This KAYAK deal was found by Cheapflights users on 2/20. 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.
Wed 10/18:00 pmIAH - USM
3 stops48h 35mJapan Airlines
Thu 10/167:30 pmUSM - IAH
3 stops54h 06mJapan Airlines
Deal found 2/20$1,984

Find flights from George Bush Intcntl to Koh Samui within your budget

Customize your flight search to find flights from George Bush Intcntl 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 February 20, 2025.

Fly from

George Bush Intcntl

Fly to

Koh Samui

Route

Depart

Return

Price

HoustonKoh Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Mon 3/3

11:30 pm-8:55 pm

2 stops32h 25m

Ko Samui

Wed 3/12

9:30 pm-10:00 pm

2 stops36h 30m

$2,353

HoustonKoh Samui

IAH - USM

IAHUSM

Houston George Bush Intcntl

Mon 3/3

7:55 pm-8:45 pm

3 stops35h 50m

Ko Samui

Wed 3/12

7:00 pm-7:16 pm

3 stops36h 16m

$5,722

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from George Bush Intcntl to Koh Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Koh Samui in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Koh Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Koh Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Koh Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Koh Samui flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Koh Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from George Bush Intcntl 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 George Bush Intcntl to Koh Samui

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

What is the cheapest time of day to fly from IAH to USM?

Find hourly flight availability from George Bush Intcntl to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Houston George Bush Intcntl Airport to Koh Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 50% versus a flight in the morning.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Koh Samui?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Koh Samui. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Koh Samui flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 20, 2025.
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Boarding

8.4

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Feb 2025

TPE - SEA

The films were difficult to hear over the noise of the airplane engines. Subtitles in ENGLISH would have been great.

EVA Air
8.4
Very good
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Boarding

8.4

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Feb 2025

TPE - SEA

The films were difficult to hear over the noise of the airplane engines. Subtitles in ENGLISH would have been great.

Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Boarding

8.4

Comfort

8.2

Food

8.0

Overall

8.4

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Feb 2025

TPE - SEA

The films were difficult to hear over the noise of the airplane engines. Subtitles in ENGLISH would have been great.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 George Bush Intcntl?

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

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

    Our cheapest airline available from Houston George Bush Intcntl Airport to Koh Samui is EVA Air. Our recent data shows that you can find tickets from as low as $2,353 on this airline. An additional option worth looking into is Japan Airlines, starting at $5,722.

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

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

  • How can I find direct flights from George Bush Intcntl to Koh Samui?

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

  • Can I find deals for business class flights from George Bush Intcntl to Koh Samui?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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