There are 6 ways to get from Washington to Siem Reap by subway, plane, bus, or train
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 Siem Reap, bus
best- Take the subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Siem Reap (SAI)plane IAD - SAI
- Take the bus from Siem Reap Airport to Siem Reap Townbus
28h 3m$560–1,613Subway to Washington Dulles International Airport, fly to Suvarnabhumi Airport, bus
cheapest- Take the subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Suvarnabhumi Airport (BKK)plane IAD - BKK
- Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus
31h 36m$395–1,203Fly Ronald Reagan Washington National Airport to Siem Reap, bus
- Fly from Ronald Reagan Washington National Airport (DCA) to Siem Reap (SAI)plane DCA - SAI
- Take the bus from Siem Reap Airport to Siem Reap Townbus
25h 50m$805–2,407Train to Philadelphia International Airport, fly to Siem Reap, bus
- Take the train from Washington Union Station to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to Siem Reap (SAI)plane PHL - SAI
- Take the bus from Siem Reap Airport to Siem Reap Townbus
29h 7m$1,383–3,026Subway to Washington Dulles International Airport, fly to Phnom Penh, bus
- Take the subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Phnom Penh (KTI)plane IAD - KTI
- Take the bus from Phnom Penh CMR to Siem Reap CMRbus
33h 38m$475–1,316Fly Ronald Reagan Washington National Airport to Phnom Penh, bus
- Fly from Ronald Reagan Washington National Airport (DCA) to Phnom Penh (KTI)plane DCA - KTI
- Take the bus from Phnom Penh CMR to Siem Reap CMRbus
32h 19m$649–1,922
Washington Dulles International Airport (IAD) to Siem Reap (SAI) flights
Comparing Your Travel Options
The cheapest way to get from Washington to Siem Reap is to subway and fly and bus which costs $390 - $1,200 and takes 31h 36m.
The fastest way to get from Washington to Siem Reap is to fly and bus which takes 25h 50m and costs $800 - $2,500.
The distance between Washington and Siem Reap is 14281 km.
It takes approximately 28h 3m to get from Washington to Siem Reap, including transfers.
Siem Reap is 12h ahead of Washington. It is currently 12:34 PM in Washington and 12:34 AM in Siem Reap.
There are 666+ hotels available in Siem Reap.
What companies run services between Washington, DC, USA and Siem Reap, Cambodia?
There is no direct connection from Washington to Siem Reap. However, you can take the subway to Washington Dulles International Airport, Silver Line Center Platform, walk to Washington Dulles International Airport (IAD) airport, fly to Siem Reap (SAI), walk to Siem Reap Airport, then take the bus to Siem Reap Town. Alternatively, you can fly to Siem Reap (SAI), walk to Siem Reap Airport, then take the bus to Siem Reap Town.
- Website
- thaiairways.com
Flights from Washington Dulles International Airport to Siem Reap via Istanbul, Suvarnabhumi Airport
- Ave. Duration
- 23h 25m
- When
- Every day
- Estimated price
- $700–2,500
Flights from Philadelphia International Airport to Siem Reap via Copenhagen, Suvarnabhumi Airport
- Ave. Duration
- 22h 55m
- When
- Every day
- Estimated price
- $1,300–2,900
Flights from Philadelphia International Airport to Siem Reap via Zurich, Suvarnabhumi Airport
- Ave. Duration
- 26h 10m
- When
- Every day
- Estimated price
- $1,300–3,000
Flights from Philadelphia International Airport to Siem Reap via Amsterdam Schiphol, Suvarnabhumi Airport
- Ave. Duration
- 27h 20m
- When
- Monday, Wednesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $1,300–3,000
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Istanbul
- Ave. Duration
- 23h 22m
- When
- Every day
- Estimated price
- $480–1,600
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 23h 15m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $550–1,400
- Website
- etihad.com
Flights from Washington Dulles International Airport to Siem Reap via Abu Dhabi, Suvarnabhumi Airport
- Ave. Duration
- 30h 50m
- When
- Every day
- Estimated price
- $550–1,600
Flights from Ronald Reagan Washington National Airport to Siem Reap via Boston, Hong Kong, Phnom Penh
- Ave. Duration
- 25h 49m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $1,100–3,700
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Abu Dhabi
- Ave. Duration
- 21h 15m
- When
- Every day
- Estimated price
- $380–1,100
Flights from Washington Dulles International Airport to Phnom Penh via Abu Dhabi
- Ave. Duration
- 28h 15m
- When
- Wednesday, Saturday, and Sunday
- Estimated price
- $460–1,300
- Website
- turkishairlines.com
Flights from Washington Dulles International Airport to Siem Reap via Istanbul, Suvarnabhumi Airport
- Ave. Duration
- 23h 25m
- When
- Every day
- Estimated price
- $700–2,500
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Istanbul
- Ave. Duration
- 23h 22m
- When
- Every day
- Estimated price
- $480–1,600
- Website
- qatarairways.com
Flights from Washington Dulles International Airport to Siem Reap via Doha, Suvarnabhumi Airport
- Ave. Duration
- 25h 10m
- When
- Every day
- Estimated price
- $850–2,300
Flights from Philadelphia International Airport to Siem Reap via Doha, Suvarnabhumi Airport
- Ave. Duration
- 24h 30m
- When
- Every day
- Estimated price
- $1,200–3,300
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Doha
- Ave. Duration
- 22h 10m
- When
- Every day
- Estimated price
- $550–1,600
- Website
- cambodiaangkorair.com
Flights from Ronald Reagan Washington National Airport to Siem Reap via New York JFK, Hong Kong, Danang
- Ave. Duration
- 24h
- When
- Every day
- Estimated price
- $1,100–3,600
Flights from Ronald Reagan Washington National Airport to Siem Reap via Boston, Hong Kong, Phnom Penh
- Ave. Duration
- 25h 49m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $1,100–3,700
Flights from Ronald Reagan Washington National Airport to Phnom Penh via Toronto, Hong Kong
- Ave. Duration
- 24h 58m
- When
- Sunday
- Estimated price
- $900–2,800
- Website
- koreanair.com
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Incheon
- Ave. Duration
- 23h 15m
- When
- Every day
- Estimated price
- $440–1,500
Flights from Washington Dulles International Airport to Phnom Penh via Incheon
- Ave. Duration
- 22h 50m
- When
- Every day
- Estimated price
- $500–1,700
Flights from Ronald Reagan Washington National Airport to Phnom Penh via Montreal, Incheon
- Ave. Duration
- 29h 40m
- When
- Monday, Tuesday, Thursday, and Saturday
- Estimated price
- $800–2,700
- Website
- singaporeair.com
Flights from Ronald Reagan Washington National Airport to Siem Reap via New York JFK, Singapore Changi
- Ave. Duration
- 28h 43m
- When
- Every day
- Estimated price
- $1,100–7,000
Flights from Ronald Reagan Washington National Airport to Siem Reap via Newark, Singapore Changi
- Ave. Duration
- 38h 55m
- When
- Every day
- Estimated price
- $1,100–7,000
- Website
- evaair.com
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 23h 15m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $550–1,400
Flights from Washington Dulles International Airport to Phnom Penh via Taiwan Taoyuan
- Ave. Duration
- 23h 30m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $650–1,600
- Website
- cathaypacific.com
Flights from Ronald Reagan Washington National Airport to Phnom Penh via Boston, Hong Kong
- Ave. Duration
- 24h 9m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $900–2,900
Flights from Ronald Reagan Washington National Airport to Phnom Penh via Toronto, Hong Kong
- Ave. Duration
- 25h 40m
- When
- Every day
- Estimated price
- $900–2,800
- Website
- cambodia-airways.com
Flights from Ronald Reagan Washington National Airport to Siem Reap via Toronto, Guangzhou Baiyun
- Ave. Duration
- 30h 35m
- When
- Tuesday, Thursday, and Sunday
- Estimated price
- $750–2,400
- Website
- goindigo.in
Flights from Philadelphia International Airport to Siem Reap via Doha, Kolkata
- Ave. Duration
- 23h 15m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- $1,200–3,300
- Website
- emirates.com
Flights from Washington Dulles International Airport to Suvarnabhumi Airport via Dubai
- Ave. Duration
- 20h 5m
- When
- Every day
- Estimated price
- $600–1,800
- Website
- china-airlines.com
Flights from Washington Dulles International Airport to Phnom Penh via Taiwan Taoyuan
- Ave. Duration
- 22h 40m
- When
- Monday, Wednesday, and Friday
- Estimated price
- $650–1,600
- Website
- flyasiana.com
Flights from Washington Dulles International Airport to Phnom Penh via Incheon
- Ave. Duration
- 23h 55m
- When
- Every day
- Estimated price
- $500–1,700
- Website
- csair.com
Flights from Ronald Reagan Washington National Airport to Phnom Penh via Toronto, Guangzhou Baiyun
- Ave. Duration
- 26h 5m
- When
- Tuesday, Thursday, Saturday, and Sunday
- Estimated price
- $600–2,000
Subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 48 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
Subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 48 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
Subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 48 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 42m
- Frequency
- Hourly
- Estimated price
- $30–650
- Schedules at
- Amtrak Acela
- Website
- Amtrak
- Business Class
- $30–470
- First Class
- $150–650
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 2h 10m
- Frequency
- Hourly
- Estimated price
- $70–120
- Website
- Amtrak
- Website
- Airport Shuttle Bus Cambodia
Bus from Siem Reap Airport to Siem Reap Town
- Ave. Duration
- 50 min
- Frequency
- Every 3 hours
- Estimated price
- $8–10
- Schedules at
- Airport Shuttle Bus Cambodia
Bus from Siem Reap Airport to Siem Reap Town
- Ave. Duration
- 50 min
- Frequency
- Every 3 hours
- Estimated price
- $8–10
- Schedules at
- Airport Shuttle Bus Cambodia
Bus from Siem Reap Airport to Siem Reap Town
- Ave. Duration
- 50 min
- Frequency
- Every 3 hours
- Estimated price
- $8–10
- Schedules at
- Airport Shuttle Bus Cambodia
- Phone
- 1490
- [email protected]
- Website
- ฺBor Kor Sor
Bus from Bangkok Mochit Bus Terminal to Siem Reap
- Ave. Duration
- 7h
- Frequency
- Twice daily
- Estimated price
- $10–95
- Book at
- 12go.asia
- Website
- ฺBor Kor Sor
Bus from Phnom Penh CMR to Siem Reap CMR
- Ave. Duration
- 4h 30m
- Frequency
- Twice daily
- Estimated price
- $12
- Schedules at
- Chan Moly Roth Transportation
Bus from Phnom Penh CMR to Siem Reap CMR
- Ave. Duration
- 4h 30m
- Frequency
- Twice daily
- Estimated price
- $12
- Schedules at
- Chan Moly Roth Transportation
Want to know more about travelling around Cambodia
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