There are 6 ways to get from Baltimore to Koh Samui Airport (USM) by train, subway, or plane
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train, subway to Washington Dulles International Airport, fly
best- Take the train from Baltimore Penn Station to New Carrollton Amtrak Station
- Take the subway from New Carrollton, Orange Line Center Platform to Washington Dulles International Airport, Silver Line Center Platform
- Fly from Washington Dulles International Airport (IAD) to Koh Samui Airport (USM)IAD - USM
26h 9m฿19,145–66,654Train to Ronald Reagan Washington National Airport, fly
- Take the train from Baltimore Penn Station to Washington Union Station
- Fly from Ronald Reagan Washington National Airport (DCA) to Koh Samui Airport (USM)DCA - USM
31h 49m฿50,210–178,130Train to Philadelphia International Airport, fly
- Take the train from Baltimore Penn Station to 30th Street Station
- Fly from Philadelphia International Airport (PHL) to Koh Samui Airport (USM)PHL - USM
27h 18m฿30,423–99,394Fly from Baltimore-Washington International Airport
- Fly from Baltimore-Washington International Airport (BWI) to Koh Samui Airport (USM)BWI - USM
26h 48m฿28,065–75,065Train to John F. Kennedy International Airport, fly
- Take the train from Baltimore Penn Station to Ny Moynihan Train Hall At Penn Station
- Fly from John F. Kennedy International Airport (JFK) to Koh Samui Airport (USM)JFK - USM
27h 15m฿20,256–77,413Train to Newark Liberty International Airport, fly
- Take the train from Baltimore Penn Station to Newark Liberty International Airport
- Fly from Newark Liberty International Airport (EWR) to Koh Samui Airport (USM)EWR - USM
27h 57m฿21,778–158,655
Washington Dulles International Airport (IAD) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Baltimore to Koh Samui Airport (USM) is to train and fly which costs ฿20000 - ฿80000 and takes 27h 15m.
The fastest way to get from Baltimore to Koh Samui Airport (USM) is to train and subway and fly which takes 26h 9m and costs ฿19000 - ฿70000.
The distance between Baltimore and Koh Samui Airport (USM) is 14726 km.
It takes approximately 26h 9m to get from Baltimore to Koh Samui Airport (USM), including transfers.
Koh Samui Airport (USM) is 12h ahead of Baltimore. It is currently 5:57 PM in Baltimore and 5:57 AM in Koh Samui Airport (USM).
There are 3094+ hotels available in Koh Samui Airport (USM).
What companies run services between Baltimore, MD, USA and Koh Samui Airport (USM), Thailand?
British Airways, Bangkok Airways, and seven other airlines fly from Baltimore-Washington International Airport (BWI) to Koh Samui Airport (USM) 4 times a day.
- Website
- qatarairways.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 26h 35m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- ฿28,000–80,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 59m
- When
- Every day
- Estimated price
- ฿65,000–190,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Philadelphia International Airport, Doha, Phuket
- Ave. Duration
- 31h 30m
- When
- Every day
- Estimated price
- ฿50,000–200,000
Flights from Philadelphia International Airport to Koh Samui Airport via Doha, Suvarnabhumi
- Ave. Duration
- 25h 10m
- When
- Every day
- Estimated price
- ฿26,000–95,000
Flights from Philadelphia International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 27h
- When
- Every day
- Estimated price
- ฿26,000–95,000
Flights from Baltimore-Washington International Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Saturday
- Estimated price
- ฿29,000–85,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 25h 45m
- When
- Every day
- Estimated price
- ฿26,000–75,000
- Website
- thaiairways.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Istanbul, Suvarnabhumi
- Ave. Duration
- 29h 40m
- When
- Monday, Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿23,000–80,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Every day
- Estimated price
- ฿65,000–190,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Philadelphia International Airport, Doha, Phuket
- Ave. Duration
- 32h 56m
- When
- Every day
- Estimated price
- ฿50,000–200,000
Flights from Philadelphia International Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 23h 25m
- When
- Thursday, Saturday, and Sunday
- Estimated price
- ฿30,000–80,000
Flights from Philadelphia International Airport to Koh Samui Airport via Zurich, Suvarnabhumi
- Ave. Duration
- 25h 30m
- When
- Every day
- Estimated price
- ฿31,000–80,000
Flights from Baltimore-Washington International Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 24h 15m
- When
- Tuesday to Sunday
- Estimated price
- ฿28,000–75,000
- Website
- emirates.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Dubai, Phuket
- Ave. Duration
- 36h 10m
- When
- Every day
- Estimated price
- ฿32,000–100,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Every day
- Estimated price
- ฿65,000–190,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Dubai, Phuket
- Ave. Duration
- 31h 20m
- When
- Every day
- Estimated price
- ฿70,000–230,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Philadelphia International Airport, Doha, Phuket
- Ave. Duration
- 32h 56m
- When
- Every day
- Estimated price
- ฿50,000–200,000
Flights from Baltimore-Washington International Airport to Koh Samui Airport via Boston, Dubai, Phuket
- Ave. Duration
- 30h 15m
- When
- Monday to Wednesday
- Estimated price
- ฿32,000–110,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Dubai, Phuket
- Ave. Duration
- 26h 50m
- When
- Every day
- Estimated price
- ฿29,000–95,000
- Website
- etihad.com
Flights from Washington Dulles International Airport to Koh Samui Airport via Abu Dhabi, Phuket
- Ave. Duration
- 25h 30m
- When
- Every day
- Estimated price
- ฿19,000–60,000
Flights from Washington Dulles International Airport to Koh Samui Airport via Abu Dhabi, Krabi
- Ave. Duration
- 29h 20m
- When
- Monday, Tuesday, Thursday, and Friday
- Estimated price
- ฿19,000–60,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Every day
- Estimated price
- ฿65,000–190,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Philadelphia International Airport, Doha, Phuket
- Ave. Duration
- 32h 56m
- When
- Every day
- Estimated price
- ฿50,000–200,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Abu Dhabi, Phuket
- Ave. Duration
- 24h 40m
- When
- Every day
- Estimated price
- ฿18,000–55,000
- Website
- singaporeair.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Every day
- Estimated price
- ฿65,000–190,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Philadelphia International Airport, Doha, Phuket
- Ave. Duration
- 32h 56m
- When
- Every day
- Estimated price
- ฿50,000–200,000
Flights from Baltimore-Washington International Airport to Koh Samui Airport via London Heathrow, Singapore Changi
- Ave. Duration
- 26h 25m
- When
- Tuesday to Sunday
- Estimated price
- ฿25,000–170,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 55m
- When
- Every day
- Estimated price
- ฿21,000–140,000
Flights from Newark Liberty International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 23h 30m
- When
- Every day
- Estimated price
- ฿21,000–150,000
- 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
- ฿23,000–80,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Every day
- Estimated price
- ฿65,000–190,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Philadelphia International Airport, Doha, Phuket
- Ave. Duration
- 32h 56m
- When
- Every day
- Estimated price
- ฿50,000–200,000
- 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
- ฿50,000–170,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Toronto, Hong Kong
- Ave. Duration
- 34h 55m
- When
- Monday, Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿50,000–160,000
Flights from Baltimore-Washington International Airport to Koh Samui Airport via Boston, Hong Kong
- Ave. Duration
- 34h 10m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿23,000–75,000
Flights from John F. Kennedy International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 22h 35m
- When
- Every day
- Estimated price
- ฿20,000–65,000
- Website
- bangkokair.com
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Boston, Doha, Phuket
- Ave. Duration
- 28h 40m
- When
- Every day
- Estimated price
- ฿65,000–190,000
Flights from Ronald Reagan Washington National Airport to Koh Samui Airport via Philadelphia International Airport, Doha, Phuket
- Ave. Duration
- 32h 56m
- When
- Every day
- Estimated price
- ฿50,000–200,000
- Website
- klm.com
Flights from Philadelphia International Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 27h 35m
- When
- Every day
- Estimated price
- ฿24,000–90,000
- Website
- britishairways.com
Flights from Baltimore-Washington International Airport to Koh Samui Airport via London Heathrow, Singapore Changi
- Ave. Duration
- 33h 40m
- When
- Tuesday to Sunday
- Estimated price
- ฿26,000–130,000
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Baltimore Penn Station to New Carrollton Amtrak Station
- Ave. Duration
- 21 min
- Frequency
- Every 2 hours
- Estimated price
- ฿140–6,500
- Website
- https://www.amtrak.com/home.html
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿140–6,500
- Business Class
- ฿1,400–7,500
Train from Baltimore Penn Station to Washington Union Station
- Ave. Duration
- 45 min
- Frequency
- Hourly
- Estimated price
- ฿180–6,500
- Website
- https://www.amtrak.com/home.html
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿180–6,500
- Business Class
- ฿1,500–8,000
Train from Baltimore Penn Station to 30th Street Station
- Ave. Duration
- 1h 14m
- Frequency
- Hourly
- Estimated price
- ฿420–7,500
- Website
- https://www.amtrak.com/home.html
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿420–7,500
- Business Class
- ฿2,000–9,000
Train from Baltimore Penn Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 2h 44m
- Frequency
- Hourly
- Estimated price
- ฿800–9,000
- Website
- https://www.amtrak.com/home.html
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿800–9,000
- Business Class
- ฿2,700–11,000
Train from Baltimore Penn Station to Newark Liberty International Airport
- Ave. Duration
- 2h 13m
- Frequency
- Every 3 hours
- Estimated price
- ฿750–9,000
- Website
- https://www.amtrak.com/home.html
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- ฿750–9,000
- Business Class
- ฿2,600–11,000
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Baltimore Penn Station to New Carrollton Amtrak Station
- Ave. Duration
- 48 min
- Frequency
- Hourly
- Estimated price
- ฿330–1,300
- Website
- https://www.amtrak.com/home.html
Train from Baltimore Penn Station to Washington Union Station
- Ave. Duration
- 1h 2m
- Frequency
- Hourly
- Estimated price
- ฿330–2,200
- Website
- https://www.amtrak.com/home.html
Train from Baltimore Penn Station to 30th Street Station
- Ave. Duration
- 1h 8m
- Frequency
- 4 times a day
- Estimated price
- ฿650–8,000
- Website
- https://www.amtrak.com/home.html
Train from Baltimore Penn Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 2h 47m
- Frequency
- 4 times a day
- Estimated price
- ฿1,700–14,000
- Website
- https://www.amtrak.com/home.html
- Phone
- 1-866-743-3682
- Website
- mta.maryland.gov
Train from Baltimore Penn Station to New Carrollton Amtrak Station
- Ave. Duration
- 48 min
- Frequency
- Hourly
- Estimated price
- ฿60–290
- Website
- https://www.mta.maryland.gov
- Standard Fare
- ฿60–290
Train from Baltimore Penn Station to Washington Union Station
- Ave. Duration
- 1h 2m
- Frequency
- Hourly
- Estimated price
- ฿60–330
- Website
- https://www.mta.maryland.gov
- Standard Fare
- ฿60–330
- Phone
- +1 202 466 3876
- Website
- wmata.com
Subway from New Carrollton, Orange Line Center Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 1h 18m
- Frequency
- Every 30 minutes
- Estimated price
- ฿82–340
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- ฿82–85
- standard fare 5 a.m - 9:30 p.m.
- ฿240–340
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Baltimore Penn Station to Washington Union Station
- Ave. Duration
- 37 min
- Frequency
- Every 2 hours
- Estimated price
- ฿300–18,000
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- ฿300–15,000
- First Class
- ฿3,500–18,000
Train from Baltimore Penn Station to 30th Street Station
- Ave. Duration
- 1h 2m
- Frequency
- Every 2 hours
- Estimated price
- ฿700–20,000
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- ฿700–15,000
- First Class
- ฿4,300–20,000
Train from Baltimore Penn Station to Ny Moynihan Train Hall At Penn Station
- Ave. Duration
- 2h 25m
- Frequency
- Every 2 hours
- Estimated price
- ฿1,300–22,000
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- ฿1,300–16,000
- First Class
- ฿5,500–22,000
Want to know more about travelling around Thailand
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Why you should take the train in the US
Read the travel guide
Travelling to the US: What do I need to know?
Read the travel guide
How to get from JFK to New York City
Read the travel guide
















