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

Cheapest dates for London - Siem Reap tickets

  • any
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • any
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • price
  • month of departure
  • month of return
£370
outward: 17-Mar-2019
07:25 LHR » 04:20 REP
China Southern Airlines 2 stops (20h55m)
inbound: 04-Apr-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£402
outward: 07-May-2019
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 16-May-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£423
outward: 02-Mar-2019
17:25 LHR » 04:20 REP
China Southern Airlines 2 stops (34h55m)
inbound: 01-Jun-2019
06:30 REP » 19:45 LHR
China Southern Airlines 1 stop (37h15m)
£430
outward: 19-Mar-2019
23:30 LHR » 04:20 REP
China Southern Airlines 1 stop (28h50m)
inbound: 30-Mar-2019
05:10 REP » 19:45 LHR
China Southern Airlines 1 stop (37h35m)
£436
outward: 25-Feb-2019
23:30 LHR » 04:20 REP
China Southern Airlines 1 stop (28h50m)
inbound: 30-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£439
outward: 28-Feb-2019
22:10 LHR » 04:20 REP
China Southern Airlines 1 stop (30h10m)
inbound: 28-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£443
outward: 02-Mar-2019
18:05 LHR » 04:20 REP
China Southern Airlines 2 stops (34h15m)
inbound: 01-Jun-2019
14:35 REP » 19:45 LHR
China Southern Airlines 1 stop (29h10m)
£486
outward: 22-Feb-2019
07:30 LHR » 11:20 REP
China Southern Airlines 2 stops (27h50m)
inbound: 30-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£486
outward: 16-Mar-2019
18:05 LHR » 04:20 REP
China Southern Airlines 2 stops (34h15m)
inbound: 26-Mar-2019
05:10 REP » 15:30 LHR
China Southern Airlines 1 stop (34h20m)
£489
outward: 22-Feb-2019
07:30 LHR » 11:20 REP
China Southern Airlines 2 stops (27h50m)
inbound: 30-May-2019
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£490
outward: 14-Mar-2019
22:10 LHR » 04:20 REP
China Southern Airlines 1 stop (30h10m)
inbound: 21-Mar-2019
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£516
outward: 18-Feb-2019
09:40 LHR » 04:20 REP
Unknown Company 2 stops (18h40m)
inbound: 27-Feb-2019
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£529
outward: 01-Apr-2019
10:25 LHR » 10:05 REP
Singapore Airlines 1 stop (23h40m)
inbound: 08-Apr-2019
11:10 REP » 16:40 LHR
Singapore Airlines 1 stop (29h30m)
£534
outward: 07-Mar-2019
12:20 LGW » 04:05 REP
Cathay Pacific 1 stop (15h45m)
inbound: 11-Mar-2019
05:20 REP » 07:20 LHR
Cathay Pacific 1 stop (26h)
£535
outward: 03-May-2019
12:00 LHR » 12:10 REP
Vietnam Airlines 1 stop (24h10m)
inbound: 10-May-2019
13:30 REP » 08:15 LHR
Vietnam Airlines 1 stop (18h45m)
£536
outward: 01-Apr-2019
23:05 LHR » 10:05 REP
Singapore Airlines 1 stop (35h)
inbound: 08-Apr-2019
11:10 REP » 08:45 LHR
Singapore Airlines 1 stop (21h35m)
£538
outward: 29-Jan-2019
11:25 LHR » 05:40 REP
Malaysia Airlines 1 stop (18h15m)
inbound: 03-Feb-2019
07:20 REP » 06:35 LHR
Malaysia Airlines 1 stop (23h15m)
£542
outward: 28-Feb-2019
22:25 LHR » 05:40 REP
Malaysia Airlines 1 stop (31h15m)
inbound: 10-Mar-2019
07:20 REP » 16:25 LHR
Malaysia Airlines 1 stop (33h05m)
£543
outward: 11-Feb-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 25-Mar-2019
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£550
outward: 23-Mar-2019
16:35 LHR » 04:20 REP
China Southern Airlines 2 stops (35h45m)
inbound: 13-Apr-2019
06:30 REP » 19:45 LHR
China Southern Airlines 2 stops (37h15m)
£554
outward: 18-Feb-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 28-Feb-2019
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£556
outward: 18-Feb-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 27-Feb-2019
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£566
outward: 06-Feb-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 12-Feb-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
£576
outward: 28-Jan-2019
12:20 LHR » 04:05 REP
Cathay Pacific 1 stop (15h45m)
inbound: 25-Feb-2019
05:20 REP » 16:00 LHR
Cathay Pacific 1 stop (34h40m)
£581
outward: 06-Feb-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 10-Feb-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
£591
outward: 19-Apr-2019
23:10 LHR » 05:25 REP
China Southern Airlines 2 stops (30h15m)
inbound: 04-May-2019
06:30 REP » 19:45 LHR
China Southern Airlines 2 stops (37h15m)
£591
outward: 01-Apr-2019
07:20 LHR » 05:25 REP
China Southern Airlines 2 stops (22h05m)
inbound: 15-Apr-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£607
outward: 20-Apr-2019
20:55 LHR » 10:10 REP
Unknown Company 1 stop (37h15m)
inbound: 30-Sep-2019
10:55 REP » 06:50 LHR
Unknown Company 1 stop (19h55m)
£607
outward: 08-Feb-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 18-Feb-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
£608
outward: 16-Feb-2019
22:35 LHR » 13:45 REP
Thai Airways 1 stop (15h10m)
inbound: 14-Mar-2019
14:45 REP » 07:20 LHR
Thai Airways 1 stop (16h35m)
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
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • all
  • Lufthansa
  • Malaysia Airlines
  • Qatar Airways
  • Singapore Airlines
  • Thai Airways
outbound: 06-Feb-2019
Thai Airways 1 stop
return: 12-Feb-2019
Thai Airways 1 stop
outbound: 12-Feb-2019
Qatar Airways 2 stops
return: 26-Feb-2019
Qatar Airways 2 stops
outbound: 14-Dec-2019
Lufthansa 2 stops
return: 23-Dec-2019
Silkair 2 stops
outbound: 14-Dec-2019
Singapore Airlines 1 stop
return: 23-Dec-2019
Singapore Airlines 1 stop
outbound: 29-Jan-2019
Malaysia Airlines 1 stop
return: 03-Feb-2019
Malaysia Airlines 1 stop

About London - Siem Reap flights

Average flight duration: 22h42m (flight with stopovers)

  • Arrival city:
  • Siem Reap, Cambodia
  • Airport(s):
  • Siem Reap International Airport (REP)
  • Local time:
  • 18-Jan-2019 12:44, GMT+7
  • Weather:
  • min. 24ºC, max. 33ºC
  • 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-Jan-2019 05:44, GMT+0
  • Weather:
  • min. 3ºC, max. 6ºC

Most popular cheap hotels in Siem Reap