IAH - USM

฿20,993 Find Cheap Flights from Houston George Bush Airport to Ko Samui – Compare and Save

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Everything you should know

Cheapest return flight
฿40,503
Typical prices: ฿41,895-฿49,020
Multiple Airlines
Thu 25/10Thu 1/11
IAH - USM • 2 stops
Cheapest one-way flight
฿20,993
Typical prices: ฿21,814-฿24,056
Multiple Airlines
Thu 8/11
IAH - USM • 2 stops
When to travel
September
Cheapest • 18% price drop
May
Most popular
Good to know
+1
Good to know
+1
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Flight Deals

Cheap Flights from George Bush Intcntl to Ko Samui (IAH-USM)

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

Recent return flight deals from George Bush Intcntl to Ko Samui

Sun 25 Oct - Sun 1 Nov
Multiple Airlines Logo
20:04 - 19:35IAH  Houston George Bush Intcntl-USM Ko Samui
35h 31m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
20:20 - 14:38USM  Ko Samui-IAH Houston George Bush Intcntl
31h 18m2 stops Bangkok Suvarnabhumi Vancouver Intl
฿40,503Multiple Airlines
Sat 24 Oct - Sun 1 Nov
Multiple Airlines Logo
20:06 - 19:35IAH  Houston George Bush Intcntl-USM Ko Samui
35h 29m2 stops Dallas/Fort Worth Hong Kong Intl
Multiple Airlines Logo
20:30 - 14:38USM  Ko Samui-IAH Houston George Bush Intcntl
31h 08m2 stops Bangkok Suvarnabhumi Vancouver Intl
฿42,481Multiple Airlines
Fri 30 Oct - Wed 4 Nov
Multiple Airlines Logo
00:40 - 07:10IAH  Houston George Bush Intcntl-USM Ko Samui
42h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
09:40 - 20:50USM  Ko Samui-IAH Houston George Bush Intcntl
24h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
฿45,282Multiple Airlines
Wed 21 Oct - Mon 26 Oct
EVA Air Logo
01:00 - 13:45IAH  Houston George Bush Intcntl-USM Ko Samui
24h 45m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
EVA Air Logo
21:10 - 22:00USM  Ko Samui-IAH Houston George Bush Intcntl
36h 50m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
฿46,501EVA Air
Thu 24 Sep - Sat 10 Oct
Multiple Airlines Logo
18:15 - 08:25IAH  Houston George Bush Intcntl-USM Ko Samui
50h 10m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
21:00 - 15:55USM  Ko Samui-IAH Houston George Bush Intcntl
30h 55m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
฿47,688Multiple Airlines
Sat 31 Oct - Wed 4 Nov
EVA Air Logo
20:00 - 15:20IAH  Houston George Bush Intcntl-USM Ko Samui
31h 20m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
EVA Air Logo
21:10 - 20:50USM  Ko Samui-IAH Houston George Bush Intcntl
36h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
฿48,676EVA Air
Sat 31 Oct - Wed 4 Nov
Japan Airlines Logo
07:34 - 08:10IAH  Houston George Bush Intcntl-USM Ko Samui
36h 36m3 stops Chicago O'Hare Intl Tokyo Narita Bangkok Suvarnabhumi
Japan Airlines Logo
19:00 - 19:49USM  Ko Samui-IAH Houston George Bush Intcntl
37h 49m3 stops Bangkok Suvarnabhumi Tokyo Haneda Los Angeles
฿49,204Japan Airlines
Sun 25 Oct - Sun 1 Nov
EVA Air Logo
20:00 - 15:20IAH  Houston George Bush Intcntl-USM Ko Samui
31h 20m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
EVA Air Logo
21:10 - 20:50USM  Ko Samui-IAH Houston George Bush Intcntl
36h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
฿49,599EVA Air
Sat 24 Oct - Sun 1 Nov
EVA Air Logo
07:25 - 09:20IAH  Houston George Bush Intcntl-USM Ko Samui
37h 55m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
EVA Air Logo
21:10 - 20:50USM  Ko Samui-IAH Houston George Bush Intcntl
36h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
฿49,863EVA Air
Sat 31 Oct - Wed 4 Nov
EVA Air Logo
20:00 - 15:20IAH  Houston George Bush Intcntl-USM Ko Samui
31h 20m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
EVA Air Logo
10:20 - 20:50USM  Ko Samui-IAH Houston George Bush Intcntl
23h 30m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
฿50,159EVA Air
Booking Insights

Price, demand, and travel trends for Houston George Bush Intcntl Airport to Ko Samui flights

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

What is the cheapest airline to fly from Houston George Bush Intcntl Airport to Ko Samui?

EVA Air (฿46,501) and Japan Airlines (฿49,204) are the cheapest airlines to fly return from Houston George Bush Intcntl Airport to Ko Samui according to KAYAK data over the last 5 days.

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Key details for Houston George Bush Intcntl Airport to Ko Samui flights

Low season

December

Cheapest flight

฿20,993
Most popular time to fly (29% more expensive on average)
Flights from Houston George Bush Intcntl Airport to Ko Samui

When to book flights from George Bush Intcntl to Ko Samui

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

Your Houston George Bush Intcntl Airport to Ko Samui flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Houston George Bush Intcntl Airport to Ko Samui?

    Flights from Houston George Bush Intcntl Airport to Ko Samui usually depart from Houston George Bush Intcntl (IAH) and arrive at Ko Samui (USM).

  • Can I save money by using flexible dates for flights from Houston George Bush Intcntl Airport to Ko Samui?

    On the Houston George Bush Intcntl Airport to Ko Samui route, being flexible with your departure day can save you up to 28%. Saturday is the cheapest day at ฿41,887 return on average, while Wednesday is the most expensive at ฿57,674 – a ฿15,786 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 George Bush Intcntl Airport 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 George Bush Intcntl Airport 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 ฿40,503 to ฿310,943. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Houston George Bush Intcntl Airport to Ko Samui looking right now?

    One-way fares from Houston George Bush Intcntl Airport to Ko Samui are currently in line with typical prices for this route. Average one-way fares are about ฿22,493.

  • What is the time difference between Houston George Bush Intcntl Airport and Ko Samui?

    Ko Samui is 12 hours ahead of Houston George Bush Intcntl Airport (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 ฿447 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz

Your guide to booking Houston George Bush Intcntl Airport to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure instead of Wednesday. On this route, Saturday flights average ฿41,887 – about ฿15,786 less than Wednesday (27% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Houston George Bush Intcntl Airport to Ko Samui trip for September. Fares historically average ฿36,680 return in that month – typically ฿20,993 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

More options for your flight from George Bush Intcntl to Ko Samui

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

Car rentals in Ko Samui
Hotels in Ko Samui