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

Cheapest dates for London - Siem Reap tickets

  • any
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • any
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • price
  • month of departure
  • month of return
£361
outward: 04-Feb-2019
07:30 LHR » 04:20 REP
China Southern Airlines 2 stops (20h50m)
inbound: 28-Feb-2019
05:10 REP » 15:30 LHR
China Southern Airlines 1 stop (34h20m)
£365
outward: 01-Mar-2019
23:30 LHR » 04:20 REP
China Southern Airlines 1 stop (28h50m)
inbound: 31-Mar-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£366
outward: 31-Jan-2019
22:10 LHR » 04:20 REP
China Southern Airlines 1 stop (30h10m)
inbound: 14-Feb-2019
05:10 REP » 15:30 LHR
China Southern Airlines 1 stop (34h20m)
£369
outward: 04-Feb-2019
07:30 LHR » 04:20 REP
China Southern Airlines 2 stops (20h50m)
inbound: 28-Feb-2019
05:10 REP » 15:30 LHR
China Southern Airlines 1 stop (34h20m)
£388
outward: 24-Nov-2018
18:35 LHR » 04:20 REP
China Southern Airlines 2 stops (33h45m)
inbound: 01-Dec-2018
05:10 REP » 19:30 LHR
China Southern Airlines 1 stop (38h20m)
£450
outward: 19-Feb-2019
23:30 LHR » 11:20 REP
China Southern Airlines 1 stop (35h50m)
inbound: 01-Mar-2019
05:10 REP » 15:30 LHR
China Southern Airlines 1 stop (34h20m)
£460
outward: 01-Dec-2018
20:50 LHR » 04:20 REP
China Southern Airlines 2 stops (31h30m)
inbound: 17-Dec-2018
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£474
outward: 01-Dec-2018
20:50 LHR » 04:20 REP
China Southern Airlines 2 stops (31h30m)
inbound: 16-Dec-2018
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£518
outward: 21-Mar-2019
22:10 LHR » 04:20 REP
China Southern Airlines 1 stop (30h10m)
inbound: 31-Mar-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£545
outward: 25-Apr-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 02-May-2019
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£545
outward: 26-Apr-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 03-May-2019
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£545
outward: 10-Jan-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 20-Feb-2019
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£554
outward: 25-Nov-2018
22:10 LHR » 04:20 REP
China Southern Airlines 2 stops (30h10m)
inbound: 01-Dec-2018
05:10 REP » 19:30 LHR
China Southern Airlines 2 stops (38h20m)
£568
outward: 01-Mar-2019
07:30 LHR » 04:20 REP
China Southern Airlines 2 stops (20h50m)
inbound: 20-Mar-2019
05:10 REP » 15:30 LHR
China Southern Airlines 1 stop (34h20m)
£569
outward: 28-Mar-2019
12:50 LHR » 02:15 REP
Thai Airways 1 stop (13h25m)
inbound: 15-Apr-2019
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£571
outward: 29-Jan-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 08-Feb-2019
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£583
outward: 10-Jan-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 06-Mar-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
£584
outward: 07-Jan-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 28-Jan-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
£600
outward: 08-Sep-2019
13:10 LGW » 17:15 REP
China Eastern Airlines 1 stop (28h05m)
inbound: 15-Sep-2019
18:10 REP » 07:30 LGW
China Eastern Airlines 1 stop (37h20m)
£611
outward: 04-Jan-2019
22:10 LHR » 04:20 REP
China Southern Airlines 2 stops (30h10m)
inbound: 19-Feb-2019
12:20 REP » 19:30 LHR
China Southern Airlines 2 stops (31h10m)
£626
outward: 07-Jan-2019
12:50 LHR » 02:15 REP
Thai Airways 1 stop (13h25m)
inbound: 13-Jan-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
£627
outward: 07-Jan-2019
12:50 LHR » 02:15 REP
Thai Airways 1 stop (13h25m)
inbound: 13-Jan-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
£634
outward: 01-Apr-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 18-Apr-2019
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£650
outward: 01-Apr-2019
10:25 LHR » 10:05 REP
Singapore Airlines 1 stop (23h40m)
inbound: 02-Sep-2019
11:10 REP » 20:15 LHR
Singapore Airlines 1 stop (33h05m)
£651
outward: 25-Nov-2018
12:50 LHR » 02:15 REP
Thai Airways 1 stop (13h25m)
inbound: 30-Nov-2018
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£693
outward: 28-Sep-2019
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 05-Oct-2019
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£699
outward: 10-Oct-2019
10:25 LHR » 04:50 REP
Singapore Airlines 1 stop (18h25m)
inbound: 20-Oct-2019
05:40 REP » 08:45 LHR
Singapore Airlines 1 stop (27h05m)
£716
outward: 18-Apr-2019
09:40 LHR » 05:25 REP
China Southern Airlines 2 stops (19h45m)
inbound: 26-Apr-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£766
outward: 04-Jan-2019
22:10 LHR » 04:20 REP
China Southern Airlines 2 stops (30h10m)
inbound: 01-Feb-2019
05:10 REP » 15:30 LHR
China Southern Airlines 1 stop (34h20m)
£772
outward: 25-Jul-2019
10:00 LGW » 10:10 REP
Unknown Company 2 stops (24h10m)
inbound: 07-Aug-2019
11:00 REP » 08:10 LGW
Qatar Airways 2 stops (21h10m)
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: Edinburgh - Siem Reap See more routes

Airlines operating flights from London to Siem Reap

  • any
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • all
  • Malaysia Airlines
  • Singapore Airlines
  • Thai Airways
outbound: 10-Jan-2019
Thai Airways 1 stop
return: 06-Mar-2019
Thai Airways 1 stop
outbound: 08-Sep-2019
Singapore Airlines 1 stop
return: 15-Sep-2019
Singapore Airlines 1 stop
outbound: 10-Oct-2019
Malaysia Airlines 1 stop
return: 20-Oct-2019
Malaysia Airlines 1 stop

About London - Siem Reap flights

Average flight duration: 24h49m (flight with stopovers)

  • Arrival city:
  • Siem Reap, Cambodia
  • Airport(s):
  • Siem Reap International Airport (REP)
  • Local time:
  • 18-Nov-2018 19:28, GMT+7
  • Weather:
  • min. 25ºC, max. 31ºC
  • 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:
  • 18-Nov-2018 12:28, GMT+0
  • Weather:
  • min. 7ºC, max. 10ºC

Most popular cheap hotels in Siem Reap