There are 5 ways to get from Washington to Ko Samui by plane, subway, train, bus, or ferry
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Ronald Reagan Washington National Airport to Koh Samui Airport
best- Fly from Ronald Reagan Washington National Airport (DCA) to Koh Samui Airport (USM)plane DCA - USM
27h 4m฿49,073–157,353Subway to Washington Dulles International Airport, fly to Krabi Airport, 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 Krabi Airport (KBV)plane IAD - KBV
- Take the ferry from Krabi Town Hotel Transfer to Boonsiri Ferry Nathon Pier Koh Samuiferry
32h 15m฿14,829–41,607Subway to Washington Dulles International Airport, fly to Koh Samui Airport
- 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 21m฿29,979–91,357Train 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
27h 50m฿23,047–60,553Bus 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
32h 39m฿35,316–112,154
Ronald Reagan Washington National Airport (DCA) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Washington to Ko Samui is to subway and fly and ferry which costs ฿14000 - ฿42000 and takes 32h 15m.
The fastest way to get from Washington to Ko Samui is to subway and fly which takes 25h 21m and costs ฿30000 - ฿95000.
The distance between Washington and Ko Samui is 14647 km.
It takes approximately 27h 4m to get from Washington to Ko Samui, including transfers.
Ko Samui is 11h ahead of Washington. It is currently 3:38 PM in Washington and 2:38 AM in Ko Samui.
There are 3006+ hotels available in Ko Samui.
What companies run services between Washington, DC, USA and Ko Samui, Thailand?
American Airlines, Cathay Pacific, and four other airlines fly from Ronald Reagan Washington National Airport (DCA) to Koh Samui Airport (USM) twice daily.
- Website
- qatarairways.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 27h 25m
- When
- Tuesday to Sunday
- Estimated price
- ฿55,000–180,000
Flights from Washington Dulles International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 23h 15m
- When
- Tuesday to Sunday
- Estimated price
- ฿29,000–90,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 24h 21m
- When
- Every day
- Estimated price
- ฿24,000–75,000
Flights from Richmond International Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 30h 16m
- When
- Tuesday to Saturday
- Estimated price
- ฿34,000–110,000
Flights from Richmond International Airport to Koh Samui Airport via Washington Dulles International Airport, Doha, Phuket
- Ave. Duration
- 29h
- When
- Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿34,000–110,000
- Website
- emirates.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Saturday
- Estimated price
- ฿55,000–180,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Dubai, Phuket
- Ave. Duration
- 27h 50m
- When
- Every day
- Estimated price
- ฿24,000–80,000
Flights from Richmond International Airport to Koh Samui Airport via Boston, Dubai, Phuket
- Ave. Duration
- 31h 35m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿34,000–110,000
Flights from Washington Dulles International Airport to Krabi Airport via Dubai
- Ave. Duration
- 21h 30m
- When
- Every day
- Estimated price
- ฿19,000–65,000
Flights from Washington Dulles International Airport to Krabi Airport via Dubai, Suvarnabhumi
- Ave. Duration
- 23h
- When
- Every day
- Estimated price
- ฿20,000–65,000
- Website
- etihad.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Saturday
- Estimated price
- ฿55,000–180,000
Flights from Washington Dulles International Airport to Krabi Airport via Abu Dhabi
- Ave. Duration
- 27h 45m
- When
- Monday, Tuesday, Thursday, and Saturday
- Estimated price
- ฿14,000–40,000
Flights from Washington Dulles International Airport to Krabi Airport via Abu Dhabi, Suvarnabhumi
- Ave. Duration
- 30h 30m
- When
- Every day
- Estimated price
- ฿14,000–41,000
- Website
- cathaypacific.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Hong Kong
- Ave. Duration
- 34h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿48,000–160,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿20,000–70,000
- Website
- singaporeair.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Saturday
- Estimated price
- ฿55,000–180,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 55m
- When
- Every day
- Estimated price
- ฿21,000–130,000
- Website
- turkishairlines.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Saturday
- Estimated price
- ฿55,000–180,000
Flights from Washington Dulles International Airport to Krabi Airport via Istanbul, Suvarnabhumi
- Ave. Duration
- 23h 50m
- When
- Every day
- Estimated price
- ฿16,000–60,000
- Website
- bangkokair.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Saturday
- Estimated price
- ฿55,000–180,000
- Website
- vietjetair.com
Flights from Washington Dulles International Airport to Krabi Airport via Doha, Suvarnabhumi
- Ave. Duration
- 24h 25m
- When
- Every day
- Estimated price
- ฿20,000–60,000
- 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
- ฿79–260
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- ฿79–83
- 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
- ฿1,600–23,000
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- ฿1,600–16,000
- First Class
- ฿6,500–23,000
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
- ฿1,000–9,500
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿1,000–9,500
- Business Class
- ฿3,000–12,000
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
- ฿1,700–3,900
- 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
- ฿410–750
- 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
- ฿550–1,100
- Website
- https://www.greyhound.com/
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Krabi Town Hotel Transfer to Boonsiri Ferry Nathon Pier Koh Samui
- Ave. Duration
- 5h 30m
- Frequency
- Once daily
- Estimated price
- ฿650–1,200
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Want to know more about travelling around Thailand
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