London to Siem Reap (LHR–SAI) — Airlines, Schedules & Connections

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airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 6 1-stop flights
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 6 hubs
BKK Bangkok 14h 40m BRTG → AYBAEK Bangkok (BKK) to Siem Reap flights
HAN Hanoi (Soc Son) 16h 2m K6VN → AFK6VJ Hanoi (Soc Son) (HAN) to Siem Reap flights
SIN Singapore 16h 25m AVBAFJ → AILXNZ Singapore (SIN) to Siem Reap flights
SGN Ho Chi Minh City 16h 50m VN → K6VN Ho Chi Minh City (SGN) to Siem Reap flights
KUL Sepang ~17h 10m BAFYIB → FY Sepang (KUL) to Siem Reap flights
PVG Shanghai (Pudong) ~17h 35m BAIBMU → Shanghai (Pudong) (PVG) to Siem Reap flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
London to Siem Reap
Connecting service available through multiple hubs.
+6h ahead

While no nonstop service exists between LHR and SAI, 1-stop connecting options are available.

Also explore LHR Routes SAI Routes LHR Live Flights SAI Live Flights
All flights from Siem Reap (SAI) Siem Reap to London flights
Connections

Connection Landscape

1-stop and 2-stop options for LHR to SAI.
1-STOP
One-Stop Connections
6
Hubs
~14h
Fastest
~17h
Longest
BKK ~14h 40m HAN ~16h 2m SIN ~16h 25m SGN ~16h 50m KUL ~17h 10m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
291
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+6h
Siem Reap is 6 hours ahead of London.
LHR: BST · SAI: +07

When it's 6:00 PM in London, it's 12:00 AM (next day) in Siem Reap.
Getting to LHR

Heathrow Express runs from London Paddington to T5 and T2/T3 in 15–21 minutes (£37 single, cheaper booked online or via the Heathrow app). Elizabeth line (Crossrail) is a lower-cost alternative; Paddington to T5 in 34 minutes from £13.50 with an Oyster/contactless cap of £14.90. The Elizabeth line also serves central London stations including Bond Street, Farringdon, and Liverpool Street.London Underground Piccadilly line serves all terminals (T2/T3/T4/T5) from central London in 40–60 minutes (£6 with Oyster). Taxis (black cabs) from central London cost £55–90 depending on traffic. Coach services from Victoria Coach Station (National Express) cost from £10 booked in advance.

Facts

LHR–SAI Quick Facts

Key statistics for the London to Siem Reap route.
Route details
Time difference+6 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: LHR
Full nameLondon Heathrow Airport
IATA / ICAOLHR / EGLL
TimezoneEurope/London
Passengers/yr83.9M
Elevation83 ft / 25 m
Destination: SAI
Full nameSiem Reap-Angkor International Airport
IATA / ICAOSAI / VDSA
TimezoneAsia/Phnom_Penh
Elevation191 ft / 58 m
FAQ

Frequently Asked Questions

Common questions about LHR to SAI flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Suvarnabhumi, Noi Bai and Singapore Changi.
Siem Reap is 6 hours ahead of London.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Suvarnabhumi, Noi Bai and Singapore Changi. Two-stop connections are also available via intermediate hubs.