There are 3 ways to get from Heathrow to Siem Reap by plane or bus
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly London Heathrow Airport to Siem Reap, bus
best- Fly from London Heathrow Airport (LHR) to Siem Reap (SAI)plane LHR - SAI
- Take the bus from Siem Reap Airport to Siem Reap Townbus
15h 45m$522–978Fly London Heathrow Airport to Suvarnabhumi Airport, bus
cheapest- Fly from London Heathrow Airport (LHR) to Suvarnabhumi Airport (BKK)plane LHR - BKK
- Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus
20h 13m$318–746Bus to London Gatwick Airport, fly to Siem Reap, bus
- Take the bus from Heathrow Central Bus Station to South Terminal Bus Stationbus
- Fly from London Gatwick Airport (LGW) to Siem Reap (SAI)plane LGW - SAI
- Take the bus from Siem Reap Airport to Siem Reap Townbus
19h 30m$427–1,348
London Heathrow Airport (LHR) to Siem Reap (SAI) flights
Comparing Your Travel Options
The cheapest way to get from Heathrow to Siem Reap is to fly and bus which costs $310 - $750 and takes 20h 13m.
The fastest way to get from Heathrow to Siem Reap is to fly and bus which takes 15h 45m and costs $500 - $1,000.
The distance between Heathrow and Siem Reap is 9878 km.
It takes approximately 15h 45m to get from Heathrow to Siem Reap, including transfers.
Siem Reap is 7h ahead of Heathrow. It is currently 2:42 AM in Heathrow and 9:42 AM in Siem Reap.
There are 662+ hotels available in Siem Reap.
What companies run services between Heathrow, England and Siem Reap, Cambodia?
There is no direct connection from Heathrow to Siem Reap. However, you can fly to Siem Reap (SAI), walk to Siem Reap Airport, then take the bus to Siem Reap Town. Alternatively, you can take the bus to South Terminal Bus Station, walk to London Gatwick Airport (LGW) airport, fly to Siem Reap (SAI), walk to Siem Reap Airport, then take the bus to Siem Reap Town.
- Website
- thaiairways.com
Flights from London Heathrow Airport to Siem Reap via Suvarnabhumi Airport
- Ave. Duration
- 13h 55m
- When
- Every day
- Estimated price
- $600–1,500
Flights from London Gatwick Airport to Siem Reap via Suvarnabhumi Airport
- Ave. Duration
- 17h
- When
- Tuesday and Sunday
- Estimated price
- $390–1,300
Flights from London Gatwick Airport to Siem Reap via Islamabad, Suvarnabhumi Airport
- Ave. Duration
- 16h 15m
- When
- Friday
- Estimated price
- $390–1,200
Flights from London Heathrow Airport to Suvarnabhumi Airport
- Ave. Duration
- 11h 30m
- When
- Every day
- Estimated price
- $400–1,000
- Website
- vietnamairlines.com
Flights from London Heathrow Airport to Siem Reap via Tan Son Nhat
- Ave. Duration
- 15h 45m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- $490–950
Flights from London Heathrow Airport to Siem Reap via Noi Bai International
- Ave. Duration
- 22h 55m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- $490–950
Flights from London Heathrow Airport to Suvarnabhumi Airport via Noi Bai International
- Ave. Duration
- 17h 15m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- $330–900
- Website
- singaporeair.com
Flights from London Heathrow Airport to Siem Reap via Singapore Changi
- Ave. Duration
- 16h 15m
- When
- Every day
- Estimated price
- $550–3,100
Flights from London Gatwick Airport to Siem Reap via Singapore Changi
- Ave. Duration
- 18h 45m
- When
- Every day
- Estimated price
- $500–2,700
- Website
- emirates.com
Flights from London Gatwick Airport to Siem Reap via Suvarnabhumi Airport
- Ave. Duration
- 16h 55m
- When
- Monday, Friday, Tuesday, and Sunday
- Estimated price
- $380–1,300
- Website
- qatarairways.com
Flights from London Gatwick Airport to Siem Reap via Suvarnabhumi Airport
- Ave. Duration
- 17h
- When
- Tuesday and Sunday
- Estimated price
- $390–1,300
Flights from London Gatwick Airport to Siem Reap via Doha, Suvarnabhumi Airport
- Ave. Duration
- 17h 40m
- When
- Every day
- Estimated price
- $500–1,500
- Website
- evaair.com
Flights from London Heathrow Airport to Suvarnabhumi Airport
- Ave. Duration
- 11h 32m
- When
- Every day
- Estimated price
- $400–1,000
- Website
- katmaiair.com
Flights from London Heathrow Airport to Siem Reap via Kuala Lumpur
- Ave. Duration
- 15h 50m
- When
- Tuesday, Thursday, Saturday, and Sunday
- Estimated price
- $600–2,000
- Website
- airasia.com
Flights from London Heathrow Airport to Siem Reap via Phuket
- Ave. Duration
- 16h 55m
- When
- Sunday
- Estimated price
- $500–1,800
- Website
- britishairways.com
Flights from London Gatwick Airport to Siem Reap via Suvarnabhumi Airport
- Ave. Duration
- 14h 10m
- When
- Monday, Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $380–1,200
- Website
- bangkokair.com
Flights from London Gatwick Airport to Siem Reap via Suvarnabhumi Airport
- Ave. Duration
- 17h
- When
- Tuesday and Sunday
- Estimated price
- $390–1,300
- 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
- Phone
- +44 (0)3717 81 81 81
- Website
- National Express
Bus from Heathrow Central Bus Station to South Terminal Bus Station
- Ave. Duration
- 1h 30m
- Frequency
- Every 30 minutes
- Estimated price
- $8–15
- Website
- National Express
- Phone
- +44 1865 785400
- [email protected]
- Website
- Oxford Bus Company
Bus from Heathrow Central Bus Station to South Terminal Bus Station
- Ave. Duration
- 1h 10m
- Frequency
- Hourly
- Estimated price
- $28–40
- Website
- Oxford Bus Company
- 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
- $10–90
- Book at
- 12go.asia
- Website
- ฺBor Kor Sor
Want to know more about travelling around Cambodia
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