Which airports can I use when flying from Houston to Ko Samui?

Flights from Houston to Ko Samui may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Ko Samui (USM).

Can I save money by using flexible dates for flights from Houston to Ko Samui?

On the Houston to Ko Samui route, being flexible with your departure day can save you up to 28%. Saturday is the cheapest day at ฿42,001 return on average, while Wednesday is the most expensive at ฿57,830 – a ฿15,829 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ko Samui?

Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.

Do I need a passport to fly from Houston to Ko Samui?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Houston to Ko Samui changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿44,083 to ฿311,786. That means the highest observed fare was about 7x higher than the lowest one.

What is the time difference between Houston and Ko Samui?

Ko Samui is 12 hours ahead of Houston (Indochina Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Ko Samui Airport (USM)?

Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Enterprise Rent-A-Car • Hertz

What is the cheapest airline to fly from Houston to Ko Samui?

Japan Airlines (฿44,083) and EVA Air (฿46,628) are the cheapest airlines to fly return from Houston to Ko Samui according to KAYAK data over the last 5 days.

฿44,083 CHEAP FLIGHTS from Houston to Ko Samui (HO1 - USM)

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Cheapest return flight

฿44,083

Typical prices: ฿42,009-฿49,153

Japan Airlines

Thu 25/10Thu 1/11

HOU - USM • 3 stops

When to travel

September

Cheapest • 18% price drop

May

Most popular

Good to know

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We hope you enjoy your trip to Ko Samui!

Flight Deals

Cheap Flights from Houston to Ko Samui

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Recent return flight deals from Houston to Ko Samui

Sun 25 Oct - Sun 1 Nov

20:24 - 08:10HOU Houston Hobby-USM Ko Samui

47h 46m3 stops Dallas/Fort Worth Tokyo Haneda Bangkok Suvarnabhumi

21:10 - 11:05USM Ko Samui-HOU Houston Hobby

50h 55m3 stops Bangkok Suvarnabhumi Tokyo Haneda Dallas/Fort Worth

฿44,083Japan Airlines

Fri 30 Oct - Wed 4 Nov

00:40 - 07:10IAH Houston George Bush Intcntl-USM Ko Samui

42h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

09:40 - 20:50USM Ko Samui-IAH Houston George Bush Intcntl

24h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿45,405Multiple Airlines

Wed 21 Oct - Mon 26 Oct

01:00 - 13:45IAH Houston George Bush Intcntl-USM Ko Samui

24h 45m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

21:10 - 22:00USM Ko Samui-IAH Houston George Bush Intcntl

36h 50m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿46,628EVA Air

Sat 31 Oct - Wed 4 Nov

17:06 - 08:10HOU Houston Hobby-USM Ko Samui

51h 04m3 stops Dallas/Fort Worth Tokyo Haneda Bangkok Suvarnabhumi

19:00 - 13:37USM Ko Samui-HOU Houston Hobby

55h 37m3 stops Bangkok Suvarnabhumi Tokyo Haneda Dallas/Fort Worth

฿47,057Japan Airlines

Sat 31 Oct - Wed 4 Nov

17:06 - 08:10HOU Houston Hobby-USM Ko Samui

51h 04m3 stops Dallas/Fort Worth Tokyo Haneda Bangkok Suvarnabhumi

07:00 - 11:05USM Ko Samui-HOU Houston Hobby

41h 05m3 stops Bangkok Suvarnabhumi Tokyo Haneda Dallas/Fort Worth

฿48,247Japan Airlines

Sat 31 Oct - Wed 4 Nov

20:00 - 15:20IAH Houston George Bush Intcntl-USM Ko Samui

31h 20m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

21:10 - 20:50USM Ko Samui-IAH Houston George Bush Intcntl

36h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿48,809EVA Air

Wed 21 Oct - Mon 26 Oct

01:00 - 16:35IAH Houston George Bush Intcntl-USM Ko Samui

27h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

09:40 - 22:00USM Ko Samui-IAH Houston George Bush Intcntl

24h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿49,932EVA Air

Sat 31 Oct - Wed 4 Nov

20:00 - 15:20IAH Houston George Bush Intcntl-USM Ko Samui

31h 20m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

10:20 - 20:50USM Ko Samui-IAH Houston George Bush Intcntl

23h 30m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿50,296EVA Air

Sat 31 Oct - Wed 4 Nov

18:35 - 18:25IAH Houston George Bush Intcntl-USM Ko Samui

35h 50m3 stops Doha Hamad Intl Kuala Lumpur Intl Phuket City

14:15 - 15:15USM Ko Samui-IAH Houston George Bush Intcntl

38h 00m3 stops Bangkok Suvarnabhumi Kuala Lumpur Intl Doha Hamad Intl

฿77,790Multiple Airlines

Sat 31 Oct - Wed 4 Nov

17:06 - 19:35HOU Houston Hobby-USM Ko Samui

38h 29m2 stops Dallas/Fort Worth Hong Kong Intl

08:30 - 19:39USM Ko Samui-HOU Houston Hobby

24h 09m3 stops Bangkok Suvarnabhumi Hong Kong Intl Dallas/Fort Worth

฿142,196Multiple Airlines

Booking Insights

Price, demand, and travel trends for Houston to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Houston to Ko Samui with more confidence.

Prices

Airlines

How much is a return flight from Houston to Ko Samui?

Return flights from Houston to Ko Samui start at ฿44,083. Prices are typical for this route right now, with typical return fares ranging from ฿42,009 to ฿49,153. The lowest price found in the past 5 days was ฿44,083 on Japan Airlines.

Find deals

Low season	December
High season	May

Most popular time to fly (29% more expensive on average)

When to book flights from Houston to Ko Samui

Are your dates flexible? Find out the best times to travel from Houston to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Houston to Ko Samui?
Flights from Houston to Ko Samui may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Ko Samui (USM).
Can I save money by using flexible dates for flights from Houston to Ko Samui?
On the Houston to Ko Samui route, being flexible with your departure day can save you up to 28%. Saturday is the cheapest day at ฿42,001 return on average, while Wednesday is the most expensive at ฿57,830 – a ฿15,829 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in Ko Samui?
Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.
Do I need a passport to fly from Houston to Ko Samui?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Houston to Ko Samui changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿44,083 to ฿311,786. That means the highest observed fare was about 7x higher than the lowest one.
What is the time difference between Houston and Ko Samui?
Ko Samui is 12 hours ahead of Houston (Indochina Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
Which car hire options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz

If your dates are flexible, aim for a Saturday departure instead of Wednesday. On this route, Saturday flights average ฿42,001 – about ฿15,829 less than Wednesday (27% savings) based on the last 12 months.
If you can choose when to travel, plan your Houston to Ko Samui trip for September. Fares historically average ฿36,780 return in that month – typically ฿21,050 less than the most expensive month, which is May (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.
- Ozo Chaweng Samui - Sha Extra Plus
- Cosi Samui Chaweng Beach
- Melia Koh Samui

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฿44,083 Find Cheap Flights from Houston to Ko Samui – Compare and Save

Everything you should know

Cheap Flights from Houston to Ko Samui

Recent return flight deals from Houston to Ko Samui

Recent one-way flight deals from Houston to Ko Samui

Price, demand, and travel trends for Houston to Ko Samui flights

How much is a return flight from Houston to Ko Samui?

What is the cheapest airline to fly from Houston to Ko Samui?

Key details for Houston to Ko Samui flights

Low season

High season

When to book flights from Houston to Ko Samui

Your Houston to Ko Samui flight questions, answered

Your guide to booking Houston to Ko Samui flights

More options for your flight from Houston to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Houston to Ko Samui

Flights from domestic origins to Ko Samui

Flights to other popular destinations