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

Cheapest dates for London - Siem Reap tickets

  • any
  • May 2018
  • June 2018
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • any
  • May 2018
  • June 2018
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • price
  • month of departure
  • month of return
£428
outward: 27-Nov-2018
09:40 LHR » 04:20 REP
China Southern Airlines 2 stops (18h40m)
inbound: 04-Dec-2018
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£430
outward: 28-Nov-2018
09:40 LHR » 04:20 REP
China Southern Airlines 2 stops (18h40m)
inbound: 05-Dec-2018
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£458
outward: 01-Jun-2018
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 08-Jun-2018
06:30 REP » 16:05 LHR
China Southern Airlines 1 stop (33h35m)
£469
outward: 31-May-2018
10:55 LHR » 05:25 REP
China Southern Airlines 2 stops (18h30m)
inbound: 07-Jun-2018
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£479
outward: 18-Jun-2018
15:45 LHR » 05:25 REP
China Southern Airlines 2 stops (37h40m)
inbound: 09-Jul-2018
06:30 REP » 18:50 LHR
China Southern Airlines 2 stops (36h20m)
£484
outward: 08-Nov-2018
12:00 LHR » 10:10 REP
Vietnam Airlines 2 stops (22h10m)
inbound: 15-Nov-2018
14:30 REP » 08:15 LHR
Vietnam Airlines 1 stop (17h45m)
£486
outward: 07-Nov-2018
12:00 LHR » 03:55 REP
Vietnam Airlines 1 stop (15h55m)
inbound: 14-Nov-2018
14:30 REP » 08:15 LHR
Vietnam Airlines 1 stop (17h45m)
£486
outward: 04-Nov-2018
12:00 LHR » 10:10 REP
Vietnam Airlines 2 stops (22h10m)
inbound: 11-Nov-2018
15:35 REP » 08:15 LHR
Vietnam Airlines 1 stop (16h40m)
£488
outward: 24-Nov-2018
12:00 LHR » 03:35 REP
Vietnam Airlines 1 stop (15h35m)
inbound: 01-Dec-2018
14:30 REP » 08:15 LHR
Vietnam Airlines 1 stop (17h45m)
£489
outward: 05-Nov-2018
12:00 LHR » 03:35 REP
Vietnam Airlines 1 stop (15h35m)
inbound: 12-Nov-2018
14:30 REP » 08:15 LHR
Vietnam Airlines 1 stop (17h45m)
£498
outward: 06-Nov-2018
12:15 LGW » 04:05 REP
Cathay Pacific 1 stop (15h50m)
inbound: 13-Nov-2018
06:10 REP » 06:00 LHR
Cathay Pacific 1 stop (23h50m)
£509
outward: 02-Jun-2018
11:45 LHR » 06:40 REP
Malaysia Airlines 1 stop (18h55m)
inbound: 09-Jun-2018
08:05 REP » 06:55 LHR
Malaysia Airlines 1 stop (22h50m)
£515
outward: 22-Nov-2018
12:15 LGW » 04:05 REP
Cathay Pacific 1 stop (15h50m)
inbound: 29-Nov-2018
11:25 REP » 16:00 LHR
Cathay Pacific 1 stop (28h35m)
£525
outward: 03-Jul-2018
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 14-Jul-2018
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£527
outward: 17-Oct-2018
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 03-Nov-2018
03:15 REP » 20:35 LHR
Thai Airways 1 stop (17h20m)
£529
outward: 09-Jun-2018
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
inbound: 16-Jun-2018
04:55 REP » 19:45 LHR
Thai Airways 1 stop (14h50m)
£847
outward: 11-Aug-2018
19:40 LHR » 06:45 REP
Finnair 2 stops (35h05m)
inbound: 19-Aug-2018
10:55 REP » 10:00 LHR
Finnair 2 stops (23h05m)
£963
outward: 21-Jul-2018
17:10 LHR » 06:45 REP
Finnair 2 stops (37h35m)
inbound: 04-Aug-2018
08:05 REP » 17:35 LHR
Malaysia Airlines 1 stop (33h30m)
£1750
outward: 20-Jun-2018
23:10 LHR » 05:25 REP
China Southern Airlines 2 stops (30h15m)
inbound: 29-Jul-2018
14:35 REP » 19:45 LHR
China Southern Airlines 2 stops (29h10m)
£1944
outward: 21-Jun-2018
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 30-Jun-2018
06:30 REP » 18:50 LHR
China Southern Airlines 2 stops (36h20m)
£2017
outward: 20-Jun-2018
12:10 LHR » 12:30 REP
Vietnam Airlines 1 stop (24h20m)
inbound: 28-Jun-2018
15:45 REP » 08:40 LHR
Vietnam Airlines 1 stop (16h55m)
£2043
outward: 22-Jun-2018
22:35 LHR » 13:45 REP
Unknown Company 1 stop (15h10m)
inbound: 30-Jun-2018
07:15 REP » 20:25 LHR
Unknown Company 1 stop (37h10m)
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
  • May 2018
  • June 2018
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • all
  • Cathay Pacific
  • Etihad Airways
  • Finnair
  • Malaysia Airlines
  • Thai Airways
outbound: 01-Jun-2018
Thai Airways 1 stop
return: 08-Jun-2018
Thai Airways 1 stop
outbound: 21-Jul-2018
Finnair 2 stops
return: 04-Aug-2018
Malaysia Airlines 1 stop
outbound: 21-Jul-2018
Etihad Airways 2 stops
return: 04-Aug-2018
Etihad Airways 2 stops
outbound: 21-Jul-2018
Malaysia Airlines 1 stop
return: 04-Aug-2018
AirAsia 1 stop
outbound: 22-Nov-2018
Cathay Pacific 1 stop
return: 29-Nov-2018
Cathay Pacific 1 stop

About London - Siem Reap flights

Average flight duration: 18h32m (flight with stopovers)

  • Arrival city:
  • Siem Reap, Cambodia
  • Airport(s):
  • Siem Reap International Airport (REP)
  • Local time:
  • 28-May-2018 10:22, 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:
  • 28-May-2018 04:22, GMT+1
  • Weather:
  • min. 15ºC, max. 26ºC

Most popular cheap hotels in Siem Reap