There are 6 ways to get from Washington to Ko Samui by subway, plane, train, bus, or busferry
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Subway to Washington Dulles International Airport, fly to Koh Samui Airport
best- Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Koh Samui Airport (USM)plane IAD - USM
25h 36m฿23,980–91,359Subway to Washington Dulles International Airport, fly to Phuket International Airport, bus and ferry
cheapest- Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Phuket International Airport (HKT)plane IAD - HKT
- Take the busferry from Phuket Lomprayah Bus Station to Koh Samui Nathon Pierbusferry
34h 24m฿19,745–56,959Fly Ronald Reagan Washington National Airport to Koh Samui Airport
- Fly from Ronald Reagan Washington National Airport (DCA) to Koh Samui Airport (USM)plane DCA - USM
26h 5m฿54,612–158,666Train to John F. Kennedy International Airport, fly to Koh Samui Airport
- Take the train from Washington Union Station to Ny Moynihan Train Hall At Penn Stationtrain
- Fly from John F. Kennedy International Airport (JFK) to Koh Samui Airport (USM)plane JFK - USM
28h 25m฿23,327–60,954Train to Philadelphia International Airport, fly to Koh Samui Airport
- Take the train from Washington Union Station to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to Koh Samui Airport (USM)plane PHL - USM
28h 26m฿22,187–83,763Bus to Richmond International Airport, fly to Koh Samui Airport
- Take the bus from Washington Union Station to Richmondbus
- Fly from Richmond International Airport (RIC) to Koh Samui Airport (USM)plane RIC - USM
31h 10m฿35,342–102,235
Washington Dulles International Airport (IAD) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Washington to Ko Samui is to subway and fly and bus and ferry which costs ฿19000 - ฿60000 and takes 34h 24m.
The fastest way to get from Washington to Ko Samui is to subway and fly which takes 25h 36m and costs ฿24000 - ฿95000.
The distance between Washington and Ko Samui is 14680 km.
It takes approximately 25h 36m to get from Washington to Ko Samui, including transfers.
Ko Samui is 11h ahead of Washington. It is currently 6:17 PM in Washington and 5:17 AM in Ko Samui.
There are 1582+ hotels available in Ko Samui.
What companies run services between Washington, DC, USA and Ko Samui, Thailand?
Air Canada, Cathay Pacific, and six other airlines fly from Ronald Reagan Washington National Airport (DCA) to Koh Samui Airport (USM) twice daily.
- Website
- qatarairways.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Doha, Phuket International Airport
- Ave. Duration
- 30h 40m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿27,000–85,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket International Airport
- Ave. Duration
- 33h 10m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿50,000–160,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Doha, Phuket International Airport
- Ave. Duration
- 29h 40m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿23,000–70,000
Flights from Philadelphia International Airport to Koh Samui Airport via Doha, Phuket International Airport
- Ave. Duration
- 31h 10m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿29,000–110,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 26h 55m
- When
- Thursday and Saturday
- Estimated price
- ฿20,000–80,000
Flights from Richmond International Airport to Koh Samui Airport via Boston, Doha, Phuket International Airport
- Ave. Duration
- 32h 20m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿34,000–100,000
Flights from Washington Dulles International Airport to Phuket International Airport via Doha
- Ave. Duration
- 28h 40m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿20,000–60,000
- Website
- cathaypacific.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Toronto, Hong Kong
- Ave. Duration
- 25h 41m
- When
- Monday, Wednesday, Thursday, and Saturday
- Estimated price
- ฿45,000–170,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Hong Kong
- Ave. Duration
- 33h 55m
- When
- Sunday
- Estimated price
- ฿46,000–170,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Hong Kong, Suvarnabhumi
- Ave. Duration
- 29h
- When
- Sunday
- Estimated price
- ฿46,000–170,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 22h 40m
- When
- Every day
- Estimated price
- ฿19,000–75,000
Flights from Richmond International Airport to Koh Samui Airport via Boston, Hong Kong
- Ave. Duration
- 37h 20m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿29,000–110,000
- Website
- emirates.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Dubai, Phuket International Airport
- Ave. Duration
- 33h 56m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿55,000–170,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Dubai, Phuket International Airport
- Ave. Duration
- 30h 55m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- ฿23,000–75,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 26h 55m
- When
- Thursday and Saturday
- Estimated price
- ฿20,000–80,000
Flights from Washington Dulles International Airport to Phuket International Airport via Dubai
- Ave. Duration
- 22h 5m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- ฿20,000–65,000
- Website
- singaporeair.com
Flights from John F. Kennedy International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 22h 30m
- When
- Every day
- Estimated price
- ฿21,000–130,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 26h 55m
- When
- Thursday and Saturday
- Estimated price
- ฿20,000–80,000
Flights from Richmond International Airport to Koh Samui Airport via Newark, Singapore Changi
- Ave. Duration
- 25h 50m
- When
- Every day
- Estimated price
- ฿31,000–190,000
Flights from Richmond International Airport to Koh Samui Airport via John F. Kennedy International Airport, Singapore Changi
- Ave. Duration
- 27h 23m
- When
- Saturday
- Estimated price
- ฿31,000–190,000
- Website
- turkishairlines.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Istanbul, Suvarnabhumi
- Ave. Duration
- 22h 25m
- When
- Every day
- Estimated price
- ฿23,000–90,000
Flights from Washington Dulles International Airport to Koh Samui Airport via Istanbul, Phuket International Airport
- Ave. Duration
- 33h 15m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿23,000–90,000
Flights from Washington Dulles International Airport to Phuket International Airport via Istanbul
- Ave. Duration
- 30h 35m
- When
- Monday, Wednesday, and Saturday
- Estimated price
- ฿16,000–70,000
- Website
- thaiairways.com
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 23h 25m
- When
- Thursday, Saturday, and Sunday
- Estimated price
- ฿35,000–120,000
Flights from Philadelphia International Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 26h 25m
- When
- Every day
- Estimated price
- ฿36,000–130,000
Flights from Philadelphia International Airport to Koh Samui Airport via Zurich, Suvarnabhumi
- Ave. Duration
- 26h 35m
- When
- Every day
- Estimated price
- ฿36,000–130,000
- Website
- etihad.com
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 26h 55m
- When
- Thursday and Saturday
- Estimated price
- ฿20,000–80,000
Flights from Washington Dulles International Airport to Phuket International Airport via Abu Dhabi
- Ave. Duration
- 30h 27m
- When
- Monday, Tuesday, Thursday, Friday, and Sunday
- Estimated price
- ฿15,000–41,000
- Website
- bangkokair.com
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 26h 55m
- When
- Thursday and Saturday
- Estimated price
- ฿20,000–80,000
- Phone
- +1 202 466 3876
- Website
- wmata.com
Subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 47 min
- Frequency
- Every 15 minutes
- Estimated price
- ฿80–260
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- ฿80–83
- standard fare 5 a.m - 9:30 p.m.
- ฿180–260
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 2h 55m
- Frequency
- Every 2 hours
- Estimated price
- ฿1,600–24,000
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- ฿1,600–16,000
- First Class
- ฿6,500–24,000
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 32m
- Frequency
- Every 2 hours
- Estimated price
- ฿1,000–21,000
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- ฿1,000–16,000
- First Class
- ฿5,000–21,000
Rome2Rio's guide to Amtrak Northeast Regional
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 3h 26m
- Frequency
- Hourly
- Estimated price
- ฿1,000–10,000
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿1,000–10,000
- Business Class
- ฿3,100–12,000
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 56m
- Frequency
- Hourly
- Estimated price
- ฿600–8,500
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿600–8,500
- Business Class
- ฿2,300–10,000
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 3h 27m
- Frequency
- 4 times a day
- Estimated price
- ฿1,900–4,300
- Website
- https://www.amtrak.com/home.html
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 45m
- Frequency
- 4 times a day
- Estimated price
- ฿1,100–2,600
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Washington Union Station to Richmond
- Ave. Duration
- 1h 55m
- Frequency
- Every 4 hours
- Estimated price
- ฿440–800
- Schedules at
- flixbus.com
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Washington Union Station to Richmond
- Ave. Duration
- 1h 50m
- Frequency
- Every 4 hours
- Estimated price
- ฿600–1,200
- Website
- https://www.greyhound.com/
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Phuket Lomprayah Bus Station to Koh Samui Nathon Pier
- Ave. Duration
- 6h 45m
- Frequency
- Once daily
- Estimated price
- ฿1,600
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
Want to know more about travelling around Thailand
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