Flights from Houston to Koh Samui (IAH to USM)

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Frequently asked questions

Are there direct flights from Houston to Koh Samui? Currently, there are no direct flights from IAH to USM. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Houston → Koh Samui.

Try a nearby airport to Houston

Flights to Koh Samui (USM) from other airports within 350 km of Houston. Often unlocks cheaper fares or better times.

HOU → USM 38 km from IAH Houston → Koh Samui USA · 71 destinations AUS → USM 225 km from IAH Austin → Koh Samui USA · 98 destinations SAT → USM 307 km from IAH San Antonio → Koh Samui USA · 48 destinations SHV → USM 310 km from IAH Shreveport → Koh Samui USA · 9 destinations DAL → USM 349 km from IAH Dallas → Koh Samui USA · 79 destinations

Or try a nearby airport to Koh Samui

Flights from Houston (IAH) to other airports within 350 km of Koh Samui.

IAH → KBV 201 km from USM Houston → Krabi Thailand · 12 destinations IAH → HKT 251 km from USM Houston → Phuket Thailand · 70 destinations IAH → HDY 293 km from USM Houston → Hat Yai Thailand · 9 destinations

Other flights from Houston (IAH)

Abilene (ABI) Acapulco (ACA) Aguascalientes (AGU) Albuquerque (ABQ) Alexandria (AEX) Amarillo (AMA) Amsterdam (AMS) Anchorage (ANC) All 193 destinations →

Other flights from Koh Samui (USM)

Bangkok (BKK) Bangkok (DMK) Chengdu (TFU) Chiang Mai (CNX) Hong Kong (HKG) Krabi (KBV) Phuket (HKT) Singapore (SIN) All 9 destinations →

Flights from Houston to Koh Samui (IAH → USM)