Cheap flights London (United Kingdom) - Siem Reap (Cambodia), your adventure starts now!

Cheapest dates for London - Siem Reap tickets

  • any
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • any
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • price
  • month of departure
  • month of return
£538
Vietnam Airlines outward: 05-Mar-2020
12:00 LHR » 10:55 REP
Vietnam Airlines 1 stop (22h55m)
Vietnam Airlines inbound: 12-Mar-2020
11:05 REP » 08:15 LHR
Vietnam Airlines 1 stop (21h10m)
£549
Vietnam Airlines outward: 02-Mar-2020
12:00 LHR » 11:30 REP
Vietnam Airlines 1 stop (23h30m)
Vietnam Airlines inbound: 09-Mar-2020
11:05 REP » 08:15 LHR
Vietnam Airlines 1 stop (21h10m)
£583
Singapore Airlines outward: 01-Sep-2020
10:25 LHR » 10:05 REP
Singapore Airlines 1 stop (23h40m)
Singapore Airlines inbound: 08-Sep-2020
11:10 REP » 06:55 LHR
Singapore Airlines 1 stop (19h45m)
£587
Singapore Airlines outward: 24-Nov-2020
10:10 LHR » 03:45 REP
Singapore Airlines 1 stop (17h35m)
Singapore Airlines inbound: 08-Dec-2020
04:40 REP » 08:20 LHR
Singapore Airlines 1 stop (27h40m)
£608
Singapore Airlines outward: 23-Sep-2020
10:25 LHR » 10:05 REP
Singapore Airlines 1 stop (23h40m)
Singapore Airlines inbound: 30-Sep-2020
11:10 REP » 16:40 LHR
Singapore Airlines 1 stop (29h30m)
£629
Singapore Airlines outward: 13-Nov-2020
21:35 LHR » 03:45 REP
Singapore Airlines 1 stop (30h10m)
Singapore Airlines inbound: 28-Nov-2020
04:40 REP » 16:20 LHR
Singapore Airlines 1 stop (35h40m)
£649
Thai Airways outward: 29-Aug-2020
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
Thai Airways inbound: 05-Sep-2020
04:55 REP » 20:10 LHR
Thai Airways 1 stop (15h15m)
£674
Thai Airways outward: 27-Jun-2020
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
Thai Airways inbound: 28-Jul-2020
04:55 REP » 20:10 LHR
Thai Airways 1 stop (15h15m)
£693
Unknown Company outward: 25-Aug-2020
12:25 LHR » 10:05 REP
Unknown Company 1 stop (21h40m)
Singapore Airlines inbound: 01-Sep-2020
11:10 REP » 16:40 LHR
Singapore Airlines 1 stop (29h30m)
£699
Thai Airways outward: 18-Aug-2020
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
Thai Airways inbound: 25-Aug-2020
04:55 REP » 20:10 LHR
Thai Airways 1 stop (15h15m)
£740
Singapore Airlines outward: 09-Jan-2021
21:35 LHR » 09:45 REP
Singapore Airlines 1 stop (36h10m)
Singapore Airlines inbound: 30-Jan-2021
04:40 REP » 06:55 LHR
Singapore Airlines 1 stop (26h15m)
£787
Cathay Pacific outward: 25-Dec-2020
17:50 LHR » 04:05 REP
Cathay Pacific 1 stop (34h15m)
Cathay Pacific inbound: 15-Jan-2021
05:20 REP » 06:25 LGW
Cathay Pacific 1 stop (25h05m)
£801
Thai Airways outward: 10-Aug-2020
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
Thai Airways inbound: 17-Aug-2020
04:55 REP » 20:10 LHR
Thai Airways 1 stop (15h15m)
£801
Thai Airways outward: 10-Aug-2020
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
Thai Airways inbound: 17-Aug-2020
04:55 REP » 20:10 LHR
Thai Airways 1 stop (15h15m)
£909
Unknown Company outward: 26-Dec-2020
12:20 LGW » 04:05 REP
Unknown Company 1 stop (15h45m)
Cathay Pacific inbound: 02-Jan-2021
11:25 REP » 16:00 LHR
Cathay Pacific 1 stop (28h35m)
£1057
Thai Airways outward: 17-Jul-2020
13:30 LHR » 03:50 REP
Thai Airways 1 stop (14h20m)
Thai Airways inbound: 07-Aug-2020
04:55 REP » 20:10 LHR
Thai Airways 1 stop (15h15m)
Return
Departure
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
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • all
  • Cathay Pacific
  • Singapore Airlines
  • Thai Airways
outbound: 01-Sep-2020
Singapore Airlines 1 stop
return: 08-Sep-2020
Singapore Airlines 1 stop
outbound: 27-Jun-2020
Thai Airways 1 stop
return: 28-Jul-2020
Thai Airways 1 stop
outbound: 09-Jan-2021
Cathay Pacific 1 stop
return: 30-Jan-2021
Cathay Pacific 1 stop

About London - Siem Reap flights

Average flight duration: 22h11m (flight with stopovers)

  • Arrival city:
  • Siem Reap, Cambodia
  • Airport(s):
  • Siem Reap International Airport (REP)
  • Local time:
  • 29-Feb-2020 13:49, GMT+7
  • Weather:
  • min. 23ºC, max. 35ºC
  • 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:
  • 29-Feb-2020 06:49, GMT+0
  • Weather:
  • min. 4ºC, max. 9ºC

Most popular cheap hotels in Siem Reap