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

Cheapest dates for London - Siem Reap tickets

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • price
  • month of departure
  • month of return
£467
outward: 16-Nov-2018
07:40 LHR » 04:20 REP
China Southern Airlines 2 stops (20h40m)
inbound: 25-Nov-2018
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£469
outward: 25-Nov-2018
23:30 LHR » 04:20 REP
China Southern Airlines 1 stop (28h50m)
inbound: 04-Dec-2018
12:20 REP » 15:30 LHR
China Southern Airlines 1 stop (27h10m)
£543
outward: 17-Jan-2019
21:50 LHR » 10:30 REP
Unknown Company 1 stop (36h40m)
inbound: 24-Jan-2019
11:25 REP » 05:45 LHR
Unknown Company 1 stop (18h20m)
£546
outward: 08-Jan-2019
21:50 LHR » 10:30 REP
Unknown Company 1 stop (36h40m)
inbound: 15-Jan-2019
06:10 REP » 05:45 LHR
Unknown Company 1 stop (23h35m)
£548
outward: 21-Jan-2019
21:50 LHR » 04:05 REP
Unknown Company 1 stop (30h15m)
inbound: 28-Jan-2019
05:20 REP » 05:45 LHR
Unknown Company 1 stop (24h25m)
£549
outward: 07-Jan-2019
21:50 LHR » 04:05 REP
Unknown Company 1 stop (30h15m)
inbound: 14-Jan-2019
05:20 REP » 05:45 LHR
Unknown Company 1 stop (24h25m)
£564
outward: 16-Jan-2019
16:15 LHR » 06:35 REP
British Airways 1 stop (14h20m)
inbound: 23-Jan-2019
05:20 REP » 05:45 LHR
Unknown Company 1 stop (24h25m)
£566
outward: 09-Jan-2019
21:50 LHR » 04:05 REP
Unknown Company 1 stop (30h15m)
inbound: 16-Jan-2019
05:20 REP » 05:45 LHR
Unknown Company 1 stop (24h25m)
£567
outward: 02-May-2019
21:15 LHR » 06:40 REP
Unknown Company 1 stop (33h25m)
inbound: 12-May-2019
05:30 REP » 05:50 LHR
Unknown Company 1 stop (24h20m)
£576
outward: 19-Jan-2019
11:00 LHR » 05:40 REP
Malaysia Airlines 1 stop (18h40m)
inbound: 26-Jan-2019
07:20 REP » 06:35 LHR
Malaysia Airlines 1 stop (23h15m)
£582
outward: 15-Jan-2019
21:50 LHR » 10:30 REP
Unknown Company 1 stop (36h40m)
inbound: 22-Jan-2019
15:00 REP » 18:35 LHR
British Airways 1 stop (27h35m)
£588
outward: 28-Sep-2018
19:40 LHR » 14:05 REP
Unknown Company 1 stop (18h25m)
inbound: 03-Oct-2018
15:30 REP » 19:20 LHR
British Airways 1 stop (27h50m)
£590
outward: 14-Jan-2019
16:15 LHR » 06:35 REP
British Airways 1 stop (14h20m)
inbound: 21-Jan-2019
05:20 REP » 05:45 LHR
Unknown Company 1 stop (24h25m)
£591
outward: 20-Jan-2019
16:15 LHR » 06:35 REP
British Airways 1 stop (14h20m)
inbound: 27-Jan-2019
05:05 REP » 05:45 LHR
Unknown Company 1 stop (24h40m)
£600
outward: 13-Jan-2019
11:55 LHR » 08:50 REP
Singapore Airlines 1 stop (20h55m)
inbound: 20-Jan-2019
12:55 REP » 06:55 LHR
Singapore Airlines 1 stop (18h)
£603
outward: 20-Sep-2018
21:15 LHR » 06:40 REP
Unknown Company 1 stop (33h25m)
inbound: 28-Sep-2018
15:30 REP » 19:20 LHR
British Airways 1 stop (27h50m)
£604
outward: 07-Oct-2018
20:55 LHR » 10:10 REP
Unknown Company 1 stop (37h15m)
inbound: 18-Oct-2018
10:55 REP » 06:05 LHR
Unknown Company 1 stop (19h10m)
£604
outward: 02-Nov-2018
21:35 LHR » 12:00 REP
Singapore Airlines 1 stop (38h25m)
inbound: 23-Nov-2018
04:40 REP » 08:20 LHR
Singapore Airlines 1 stop (27h40m)
£632
outward: 20-Oct-2018
11:45 LHR » 06:40 REP
Malaysia Airlines 1 stop (18h55m)
inbound: 28-Oct-2018
07:20 REP » 16:25 LHR
Malaysia Airlines 1 stop (33h05m)
£643
outward: 03-Jan-2019
12:00 LHR » 10:10 REP
Vietnam Airlines 2 stops (22h10m)
inbound: 10-Jan-2019
14:30 REP » 08:15 LHR
Vietnam Airlines 1 stop (17h45m)
£643
outward: 04-Jan-2019
12:00 LHR » 10:10 REP
Vietnam Airlines 2 stops (22h10m)
inbound: 11-Jan-2019
16:00 REP » 08:15 LHR
Vietnam Airlines 1 stop (16h15m)
£676
outward: 18-Aug-2018
11:45 LHR » 06:40 REP
Malaysia Airlines 1 stop (18h55m)
inbound: 05-Sep-2018
08:05 REP » 06:55 LHR
Malaysia Airlines 1 stop (22h50m)
£684
outward: 01-Jan-2019
16:05 LHR » 06:35 REP
British Airways 1 stop (14h30m)
inbound: 08-Jan-2019
15:00 REP » 18:25 LHR
British Airways 1 stop (27h25m)
£705
outward: 22-Aug-2018
12:25 LHR » 10:05 REP
Singapore Airlines 1 stop (21h40m)
inbound: 05-Sep-2018
11:35 REP » 20:15 LHR
Singapore Airlines 1 stop (32h40m)
£716
outward: 23-Aug-2018
22:35 LHR » 06:40 REP
Malaysia Airlines 1 stop (32h05m)
inbound: 01-Sep-2018
08:05 REP » 06:55 LHR
Malaysia Airlines 1 stop (22h50m)
£749
outward: 31-Dec-2018
16:05 LHR » 06:35 REP
British Airways 1 stop (14h30m)
inbound: 07-Jan-2019
15:00 REP » 18:25 LHR
British Airways 1 stop (27h25m)
£752
outward: 06-Apr-2019
09:40 LHR » 05:25 REP
China Southern Airlines 2 stops (19h45m)
inbound: 20-Apr-2019
14:35 REP » 16:05 LHR
China Southern Airlines 1 stop (25h30m)
£827
outward: 21-Aug-2018
12:10 LHR » 11:05 REP
Vietnam Airlines 2 stops (22h55m)
inbound: 28-Aug-2018
16:35 REP » 08:40 LHR
Vietnam Airlines 1 stop (16h05m)
£833
outward: 08-Aug-2018
07:30 LHR » 05:25 REP
China Southern Airlines 2 stops (21h55m)
inbound: 15-Aug-2018
14:35 REP » 19:45 LHR
China Southern Airlines 2 stops (29h10m)
£880
outward: 24-Dec-2018
22:00 LHR » 16:00 REP
China Eastern Airlines 1 stop (18h)
inbound: 31-Dec-2018
16:50 REP » 18:45 LHR
China Eastern Airlines 1 stop (25h55m)
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
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • all
  • Cathay Pacific
  • Etihad Airways
  • Finnair
  • Malaysia Airlines
  • Qatar Airways
  • Thai Airways
outbound: 19-Jan-2019
Malaysia Airlines 1 stop
return: 26-Jan-2019
Malaysia Airlines 1 stop
outbound: 24-Jul-2018
Etihad Airways 2 stops
return: 31-Jul-2018
Etihad Airways 2 stops
outbound: 16-Jan-2019
Cathay Pacific 1 stop
return: 23-Jan-2019
Cathay Pacific 1 stop
outbound: 20-Sep-2018
Qatar Airways 2 stops
return: 28-Sep-2018
Qatar Airways 2 stops
outbound: 16-Jan-2019
Thai Airways 1 stop
return: 23-Jan-2019
Malaysia Airlines 1 stop
outbound: 19-Dec-2018
Finnair 2 stops
return: 02-Jan-2019
Finnair 2 stops

About London - Siem Reap flights

Average flight duration: 19h30m (flight with stopovers)

  • Arrival city:
  • Siem Reap, Cambodia
  • Airport(s):
  • Siem Reap International Airport (REP)
  • Local time:
  • 20-Jul-2018 13:42, GMT+7
  • Weather:
  • min. 25ºC, max. 30ºC
  • 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:
  • 20-Jul-2018 07:42, GMT+1
  • Weather:
  • min. 16ºC, max. 25ºC

Most popular cheap hotels in Siem Reap