Flights from Washington to Koh Samui (DCA → USM)

DCA
Washington
Ronald Reagan Washington National, USA
USM
Koh Samui
Samui, Thailand
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No direct or convenient 1-stop flights found between Washington and Koh Samui. Try exploring routes from each airport individually.

Frequently asked questions

Are there direct flights from Washington to Koh Samui? Currently, there are no direct flights from DCA 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 Washington → Koh Samui.

Cheap flights from Washington 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 Washington

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

IAD → USM 37 km from DCA Dulles → Koh Samui USA · 163 destinations BWI → USM 49 km from DCA Baltimore → Koh Samui USA · 90 destinations CHO → USM 146 km from DCA Charlottesville → Koh Samui USA · 6 destinations MDT → USM 151 km from DCA Middletown → Koh Samui USA · 19 destinations RIC → USM 152 km from DCA Richmond → Koh Samui USA · 37 destinations

Or try a nearby airport to Koh Samui

Flights from Washington (DCA) to other airports within 350 km of Koh Samui.

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

Other flights from Washington (DCA)

Akron (CAK) Albany (ALB) Asheville (AVL) Atlanta (ATL) Augusta (AGS) Austin (AUS) Bangor (BGR) Baton Rouge (BTR) All 108 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 →