There are 5 ways to get from Washington to Ko Samui by plane, subway, train, 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.
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 29m฿49,451–141,977Subway to Washington Dulles International Airport, fly to Krabi 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 Krabi Airport (KBV)plane IAD - KBV
- Take the busferry from Krabi Bus Terminal to Lipa Noi Pierbusferry
31h 29m฿14,905–43,128Subway 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฿21,977–66,350Train 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
27h 45m฿19,488–86,042Train 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 48m฿18,295–68,938
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 bus and ferry which costs ฿14000 - ฿44000 and takes 31h 29m.
The fastest way to get from Washington to Ko Samui is to subway and fly which takes 25h 21m and costs ฿22000 - ฿70000.
The distance between Washington and Ko Samui is 14647 km.
It takes approximately 27h 29m to get from Washington to Ko Samui, including transfers.
Ko Samui is 12h ahead of Washington. It is currently 3:04 PM in Washington and 3:04 AM in Ko Samui.
There are 2956+ hotels available in Ko Samui.
What companies run services between Washington, DC, USA and Ko Samui, Thailand?
American Airlines, Cathay Pacific, and six other airlines fly from Ronald Reagan Washington National Airport (DCA) to Koh Samui Airport (USM) 5 times a day.
- Website
- qatarairways.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 27h 15m
- When
- Every day
- Estimated price
- ฿55,000–180,000
Flights from Washington Dulles International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 23h 15m
- When
- Every day
- Estimated price
- ฿31,000–100,000
Flights from Philadelphia International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 24h 40m
- When
- Every day
- Estimated price
- ฿29,000–110,000
Flights from Philadelphia International Airport to Koh Samui Airport via Doha, Suvarnabhumi
- Ave. Duration
- 25h 35m
- When
- Every day
- Estimated price
- ฿29,000–110,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 24h 40m
- When
- Saturday
- Estimated price
- ฿18,000–65,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 23h 55m
- When
- Every day
- Estimated price
- ฿28,000–90,000
- Website
- etihad.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Abu Dhabi, Phuket
- Ave. Duration
- 29h 50m
- When
- Every day
- Estimated price
- ฿21,000–65,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 24h 40m
- When
- Saturday
- Estimated price
- ฿18,000–65,000
Flights from Washington Dulles International Airport to Krabi Airport via Abu Dhabi
- Ave. Duration
- 27h 45m
- When
- Monday, Tuesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿14,000–42,000
Flights from Washington Dulles International Airport to Krabi Airport via Abu Dhabi, Suvarnabhumi
- Ave. Duration
- 30h
- When
- Every day
- Estimated price
- ฿14,000–43,000
Flights from Washington Dulles International Airport to Krabi Airport via Doha, Suvarnabhumi
- Ave. Duration
- 23h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿21,000–65,000
- Website
- emirates.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Dubai, Phuket
- Ave. Duration
- 30h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿60,000–200,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 24h 40m
- When
- Saturday
- Estimated price
- ฿18,000–65,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Dubai, Phuket
- Ave. Duration
- 26h 50m
- When
- Every day
- Estimated price
- ฿31,000–100,000
Flights from Washington Dulles International Airport to Krabi Airport via Dubai
- Ave. Duration
- 21h 15m
- When
- Every day
- Estimated price
- ฿22,000–70,000
Flights from Washington Dulles International Airport to Krabi Airport via Doha, Suvarnabhumi
- Ave. Duration
- 23h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿21,000–65,000
- Website
- turkishairlines.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Istanbul, Suvarnabhumi
- Ave. Duration
- 25h 57m
- When
- Every day
- Estimated price
- ฿24,000–85,000
Flights from Washington Dulles International Airport to Koh Samui Airport via Istanbul, Phuket
- Ave. Duration
- 25h 25m
- When
- Thursday, Saturday, and Sunday
- Estimated price
- ฿23,000–85,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 24h 40m
- When
- Saturday
- Estimated price
- ฿18,000–65,000
Flights from Washington Dulles International Airport to Krabi Airport via Istanbul, Suvarnabhumi
- Ave. Duration
- 23h 20m
- When
- Every day
- Estimated price
- ฿15,000–55,000
- Website
- thaiairways.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Istanbul, Suvarnabhumi
- Ave. Duration
- 29h 40m
- When
- Every day
- Estimated price
- ฿24,000–85,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 23h 42m
- When
- Thursday, Saturday, and Sunday
- Estimated price
- ฿18,000–100,000
Flights from Philadelphia International Airport to Koh Samui Airport via Zurich, Suvarnabhumi
- Ave. Duration
- 25h 30m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿35,000–110,000
- Website
- cathaypacific.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Hong Kong
- Ave. Duration
- 33h 20m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿49,000–150,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Toronto, Hong Kong
- Ave. Duration
- 34h 55m
- When
- Every day
- Estimated price
- ฿48,000–150,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿24,000–70,000
- Website
- bangkokair.com
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 24h 40m
- When
- Saturday
- Estimated price
- ฿18,000–65,000
Flights from Washington Dulles International Airport to Krabi Airport via Doha, Suvarnabhumi
- Ave. Duration
- 23h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿21,000–65,000
- Website
- singaporeair.com
Flights from John F. Kennedy International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 55m
- When
- Every day
- Estimated price
- ฿25,000–160,000
- 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
- ฿77–250
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- ฿77–80
- standard fare 5 a.m - 9:30 p.m.
- ฿180–250
Rome2Rio's guide to Amtrak Northeast Regional
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 56m
- Frequency
- Hourly
- Estimated price
- ฿550–8,000
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿550–8,000
- Business Class
- ฿2,200–9,500
Train from Washington Union Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 3h 26m
- Frequency
- Hourly
- Estimated price
- ฿950–9,500
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿950–9,500
- Business Class
- ฿2,900–11,000
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 32m
- Frequency
- Every 2 hours
- Estimated price
- ฿950–20,000
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- ฿950–15,000
- First Class
- ฿4,900–20,000
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
- ฿6,000–23,000
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 45m
- Frequency
- 4 times a day
- Estimated price
- ฿600–7,500
- Website
- https://www.amtrak.com/home.html
Train from Washington Union Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 3h 27m
- Frequency
- 4 times a day
- Estimated price
- ฿1,000–12,000
- Website
- https://www.amtrak.com/home.html
- Phone
- +66 2 277 4488
- info@rajaferryport.com
- Website
- rajaferryport.com
Busferry from Krabi Bus Terminal to Lipa Noi Pier
- Ave. Duration
- 5h
- Frequency
- Twice daily
- Estimated price
- ฿728
- Book at
- https://12go.asia/en/operator/raja-ferry
- Website
- https://www.rajaferryport.com/
Want to know more about travelling around Thailand
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