- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from Houston to Koh Samui (HOU-USM)
Prices were available within the past 7 days and start at $670 for one-way flights and $1,093 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat, Sep 7 - Sat, Sep 14
IAH
Houston
USM
Ko Samui
$1,093 Roundtrip, found 1 day ago
$1,093
Roundtrip
found 1 day ago
Sat, Sep 7 - Mon, Sep 16
IAH
Houston
USM
Ko Samui
$1,105 Roundtrip, found 1 day ago
$1,105
Roundtrip
found 1 day ago
Sat, Nov 2 - Tue, Nov 19
IAH
Houston
USM
Ko Samui
$1,105 Roundtrip, found 5 days ago
$1,105
Roundtrip
found 5 days ago
Fri, Feb 21 - Sun, Mar 2
IAH
Houston
USM
Ko Samui
$1,162 Roundtrip, found 4 days ago
$1,162
Roundtrip
found 4 days ago
Mon, Sep 9 - Tue, Sep 17
IAH
Houston
USM
Ko Samui
$1,177 Roundtrip, found 21 hours ago
$1,177
Roundtrip
found 21 hours ago
Sat, Sep 28 - Fri, Oct 4
IAH
Houston
USM
Ko Samui
$1,667 Roundtrip, found 4 days ago
$1,667
Roundtrip
found 4 days ago
Expedia's Latest Trends
Flights
Flights from Las Vegas to AnaheimFlights from Seattle to MauiFlights from Philadelphia to IrvineFlights from Maui to HonoluluFlights from Providence to BentonvilleFlights from Philadelphia to AnaheimFlights from New York to Yellowstone National ParkFlights from San Francisco to South Lake TahoeFlights from Houston to MauiFlights from Honolulu to MauiFlights from Houston to OconomowocFlights from Chicago to South Lake TahoeFlights from New York to NormanFlights from Denver to BentonvilleFlights from Detroit to Cape CanaveralFlights from Orlando to AnaheimFlights from Phoenix to AnaheimFlights from Chicago to AnaheimFlights from Denver to AnaheimFlights from Houston to BentonvilleFlights from Spokane to MauiFlights from Phoenix to Rochelle ParkFlights from Anchorage to MauiFlights from Seattle to AnaheimFlights from Las Vegas to MauiFlights from Minneapolis - St. Paul to AnaheimFlights from Boise to South Lake TahoeFlights from Houston to AnaheimFlights from Atlanta to Cape CanaveralFlights from Boston to Anaheim
*Available to One Key members.