Flights from Dulles to Koh Samui (IAD → USM)

IAD
Dulles
Washington Dulles International, USA
USM
Koh Samui
Samui, Thailand
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No direct or convenient 1-stop flights found between Dulles and Koh Samui. Try exploring routes from each airport individually.

Frequently asked questions

Are there direct flights from Dulles to Koh Samui? Currently, there are no direct flights from IAD 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 Dulles → Koh Samui.

Cheap flights from Dulles to Koh Samui Cheapest month to fly to Koh Samui Flights from USA Flights to Thailand Visa-free with USA passport All airports in Thailand

Try a nearby airport to Dulles

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

DCA → USM 37 km from IAD Washington → Koh Samui USA · 108 destinations BWI → USM 72 km from IAD Baltimore → Koh Samui USA · 90 destinations CHO → USM 126 km from IAD Charlottesville → Koh Samui USA · 6 destinations MDT → USM 150 km from IAD Middletown → Koh Samui USA · 19 destinations RIC → USM 161 km from IAD Richmond → Koh Samui USA · 37 destinations

Or try a nearby airport to Koh Samui

Flights from Dulles (IAD) to other airports within 350 km of Koh Samui.

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

Other flights from Dulles (IAD)

Abu Dhabi (AUH) Accra (ACC) Addis Ababa (ADD) Albany (ALB) Albuquerque (ABQ) Amman (AMM) Amsterdam (AMS) Anchorage (ANC) All 163 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 →