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Flights from Houston to Koh Samui Starting at AU$ 2,735

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Houston to Koh Samui

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Houston to Koh Samui

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

EVA Air
From AU$ 1,273
United Airlines
From AU$ 1,307
All Nippon Airways
From AU$ 1,340
Qatar Airways
From AU$ 1,504
Turkish Airlines
From AU$ 1,550
Air Canada
From AU$ 1,581
American Airlines
From AU$ 1,595
Singapore Airlines
From AU$ 1,718
Emirates
From AU$ 1,907
Thai Airways
From AU$ 1,910
ANA airlines

Find more flights and airlines

Alternative Routes from Houston to Koh Samui

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Houston to Koh Samui.

  • Cheapest
    EVA Air
    IAH
    01:00
    24h 45m
    2 transfer
    USM
    13:45
    George Bush Intercontinental Airport - Samui International Airport
    Mon, Apr 15EVA Air
    AU$ 1,273
  • EVA Air
    IAH
    01:00
    24h 45m
    2 transfer
    USM
    13:45
    George Bush Intercontinental Airport - Samui International Airport
    Mon, Apr 15EVA Air
    AU$ 1,273
    Find More Flights

How do I find the cheapest flights?

  • When are flight from Houston (HOU) to Koh Samui (USM) the cheapest?

    Airlines adjust prices for flights from Houston to Koh Samui based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Houston (HOU) to Koh Samui (USM) cost?

    According to Trip.com's data, the lowest price is around AU$ 2,931.
  • What is the transportation method from the main airport to downtown in Koh Samui?

    • The distance from Samui International Airport to downtown is about 3km, by taxi about 20 minutes.
  • How many airports in Koh Samui (USM)?

    There are 1 airport(s) in Koh Samui (USM): Samui International Airport.

Flight Information from Houston to Koh Samui

Cheapest direct flight price

AU$ 2,734

Off-season for travel

April

Peak season for travel

May