Take off on cheap flights from London to Siem Reap, your adventure starts now!

Cheapest dates for London - Siem Reap tickets

  • any
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • any
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • price
  • month of departure
  • month of return
£367
outward: 09-Jun-2019
23:10 LHR » 05:25 REP
China Southern Airlines 1 stop (30h15m)
inbound: 25-Jun-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£398
outward: 25-Apr-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 09-May-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£398
outward: 25-Apr-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 09-May-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£417
outward: 01-May-2019
15:45 LHR » 05:25 REP
China Southern Airlines 2 stops (37h40m)
inbound: 22-May-2019
14:35 REP » 19:45 LHR
China Southern Airlines 1 stop (29h10m)
£420
outward: 12-May-2019
09:40 LHR » 05:25 REP
China Southern Airlines 2 stops (19h45m)
inbound: 19-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£421
outward: 25-Apr-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 09-May-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£452
outward: 21-May-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 28-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£453
outward: 21-May-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 28-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£454
outward: 01-May-2019
07:20 LHR » 05:25 REP
China Southern Airlines 2 stops (22h05m)
inbound: 08-May-2019
14:35 REP » 19:45 LHR
China Southern Airlines 1 stop (29h10m)
£468
outward: 21-May-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 28-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£470
outward: 17-Apr-2019
07:20 LHR » 05:25 REP
China Southern Airlines 2 stops (22h05m)
inbound: 07-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£473
outward: 21-May-2019
09:40 LHR » 05:25 REP
China Southern Airlines 2 stops (19h45m)
inbound: 28-May-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£475
outward: 21-May-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 28-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£493
outward: 26-May-2019
18:10 LHR » 05:25 REP
China Southern Airlines 2 stops (35h15m)
inbound: 05-Jun-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£496
outward: 01-Jun-2019
07:20 LHR » 05:25 REP
China Southern Airlines 2 stops (22h05m)
inbound: 08-Jun-2019
06:30 REP » 19:45 LHR
China Southern Airlines 1 stop (37h15m)
£498
outward: 01-May-2019
07:20 LHR » 05:25 REP
China Southern Airlines 2 stops (22h05m)
inbound: 29-May-2019
14:35 REP » 19:45 LHR
China Southern Airlines 1 stop (29h10m)
£498
outward: 26-May-2019
18:10 LHR » 05:25 REP
China Southern Airlines 2 stops (35h15m)
inbound: 05-Jun-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£501
outward: 03-May-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 11-May-2019
06:30 REP » 19:45 LHR
China Southern Airlines 1 stop (37h15m)
£511
outward: 04-Apr-2019
23:10 LHR » 05:25 REP
China Southern Airlines 2 stops (30h15m)
inbound: 10-Apr-2019
06:30 REP » 19:45 LHR
China Southern Airlines 2 stops (37h15m)
£518
outward: 12-May-2019
09:40 LHR » 05:25 REP
China Southern Airlines 2 stops (19h45m)
inbound: 10-Jun-2019
06:30 REP » 14:45 LHR
China Southern Airlines 2 stops (32h15m)
£522
outward: 01-Sep-2019
12:00 LHR » 11:05 REP
Vietnam Airlines 1 stop (23h05m)
inbound: 30-Sep-2019
11:55 REP » 08:15 LHR
Vietnam Airlines 1 stop (20h20m)
£522
outward: 25-Oct-2019
12:00 LHR » 11:05 REP
Vietnam Airlines 1 stop (23h05m)
inbound: 12-Nov-2019
15:35 REP » 08:15 LHR
Vietnam Airlines 1 stop (16h40m)
£522
outward: 25-Oct-2019
12:00 LHR » 11:05 REP
Vietnam Airlines 1 stop (23h05m)
inbound: 12-Nov-2019
15:35 REP » 08:15 LHR
Vietnam Airlines 1 stop (16h40m)
£529
outward: 22-Oct-2019
12:00 LHR » 12:10 REP
Vietnam Airlines 1 stop (24h10m)
inbound: 18-Nov-2019
11:55 REP » 08:15 LHR
Vietnam Airlines 1 stop (20h20m)
£529
outward: 02-Oct-2019
12:00 LHR » 12:30 REP
Vietnam Airlines 1 stop (24h30m)
inbound: 12-Oct-2019
11:55 REP » 08:15 LHR
Vietnam Airlines 1 stop (20h20m)
£531
outward: 27-Nov-2019
12:20 LGW » 10:30 REP
Cathay Pacific 1 stop (22h10m)
inbound: 12-Dec-2019
11:25 REP » 06:30 LGW
Cathay Pacific 1 stop (19h05m)
£531
outward: 31-Aug-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 30-Sep-2019
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£531
outward: 25-Oct-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 08-Nov-2019
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£531
outward: 04-May-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 11-May-2019
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£532
outward: 01-Oct-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 29-Oct-2019
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
Return
Departure
Choose when you'd like to depart to Siem Reap (Cambodia):
Find the cheapest London Siem Reap flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for London - Siem Reap with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from London to Siem Reap

  • any
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • all
  • Air France
  • Cathay Pacific
  • Etihad Airways
  • Lufthansa
  • Qatar Airways
  • Singapore Airlines
  • Thai Airways
outbound: 20-Jun-2019
Thai Airways 1 stop
return: 11-Jul-2019
Thai Airways 1 stop
outbound: 27-Nov-2019
Cathay Pacific 1 stop
return: 12-Dec-2019
Cathay Pacific 1 stop
outbound: 20-Feb-2020
Singapore Airlines 1 stop
return: 29-Feb-2020
Singapore Airlines 1 stop
outbound: 11-Apr-2019
Etihad Airways 2 stops
return: 22-Apr-2019
Etihad Airways 2 stops
outbound: 07-Feb-2020
Lufthansa 2 stops
return: 14-Feb-2020
Silkair 2 stops
outbound: 17-Apr-2019
Qatar Airways 2 stops
return: 23-Apr-2019
Qatar Airways 2 stops
outbound: 01-Nov-2019
Air France 2 stops
return: 15-Nov-2019
Air France 2 stops

About London - Siem Reap flights

Average flight duration: 31h03m (flight with stopovers)

  • Arrival city:
  • Siem Reap, Cambodia
  • Airport(s):
  • Siem Reap International Airport (REP)
  • Local time:
  • 26-Mar-2019 19:27, GMT+7
  • Weather:
  • min. 27ºC, max. 36ºC
  • Departure city:
  • London, United Kingdom
  • Airport(s):
  • London City Airport (LCY)
  • Heathrow Airport (LHR)
  • Gatwick Airport (LGW)
  • Luton Airport (LTN)
  • Stansted Airport (STN)
  • Southend Airport (SEN)
  • Local time:
  • 26-Mar-2019 12:27, GMT+0
  • Weather:
  • min. 7ºC, max. 15ºC

Most popular cheap hotels in Siem Reap