Find Deals on Flights from United Kingdom to Siem Reap

Depart
Return
1 adult
Adults
18+
Youths
12-17
Children
2-11
Seat infants
under 2
Lap infants
under 2
The price shown for each flight will be the average for all passengers, including any infants.
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Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Siem Reap

(Round-trip)
Depart: Wed 28 Oct 2015 Return: Sat 7 Nov 2015 Trip spans 11 days
£450
Select
Air China
Air China
LHR
13:40
REP
12:00
22h 20m
1 stop
REP
19:10
LHR
19:50
24h 40m
1 stop
Depart: Wed 23 Dec 2015 Return: Mon 28 Dec 2015 Trip spans 6 days
£464
Select
Air China
Air China
LHR
12:40
REP
11:00
22h 20m
1 stop
REP
19:10
LHR
17:55
22h 45m
1 stop
Depart: Wed 13 Jan 2016 Return: Wed 20 Jan 2016 Trip spans 8 days
£488
Select
China Southern
China Southern
LHR
17:30
REP
22:30
29h 00m
1 stop
REP
06:30
LHR
09:45
27h 15m
2 stops
Depart: Thu 12 Nov 2015 Return: Mon 16 Nov 2015 Trip spans 5 days
£509
Select
Vietnam Airlines
Vietnam Airlines
LHR
07:00
REP
05:30
22h 30m
1 stop
REP
11:55
LHR
08:45
44h 50m
3 stops
Depart: Thu 1 Oct 2015 Return: Mon 5 Oct 2015 Trip spans 5 days
£552
Select
China Southern
China Southern
LHR
02:40
REP
08:35
29h 55m
2 stops
REP
15:35
LHR
17:10
25h 35m
1 stop
Depart: Wed 16 Dec 2015 Return: Tue 29 Dec 2015 Trip spans 14 days
£576
Select
Air China
Air China
LHR
15:25
REP
11:00
19h 35m
1 stop
REP
19:10
LHR
17:55
22h 45m
1 stop
Depart: Fri 18 Dec 2015 Return: Mon 28 Dec 2015 Trip spans 11 days
£580
Select
Air China
Air China
LHR
12:40
REP
11:00
22h 20m
1 stop
REP
19:10
LHR
17:55
22h 45m
1 stop
Depart: Thu 24 Dec 2015 Return: Sun 27 Dec 2015 Trip spans 4 days
£581
Select
Air China
Air China
LHR
12:40
REP
11:00
22h 20m
1 stop
REP
19:10
LHR
19:50
24h 40m
1 stop
Depart: Mon 21 Dec 2015 Return: Wed 30 Dec 2015 Trip spans 10 days
£596
Select
Air China
Air China
LHR
12:40
REP
11:00
22h 20m
1 stop
REP
19:10
LHR
17:55
22h 45m
1 stop
Depart: Fri 20 Nov 2015 Return: Tue 24 Nov 2015 Trip spans 5 days
£600
Select
Vietnam Airlines
Vietnam Airlines
LHR
07:00
REP
04:05
21h 05m
2 stops
REP
15:25
LHR
08:45
41h 20m
2 stops
Depart: Sun 20 Dec 2015 Return: Mon 28 Dec 2015 Trip spans 9 days
£629
Select
Air China
Air China
LHR
12:40
REP
11:00
22h 20m
1 stop
REP
19:10
LHR
17:55
22h 45m
1 stop
Depart: Fri 23 Oct 2015 Return: Fri 30 Oct 2015 Trip spans 8 days
£643
Select
China Southern
China Southern
LHR
02:55
REP
08:35
29h 40m
2 stops
REP
14:20
LHR
17:30
27h 10m
1 stop
Depart: Wed 14 Oct 2015 Return: Thu 29 Oct 2015 Trip spans 16 days
£644
Select
Etihad Airways
Etihad Airways
LHR
05:30
REP
01:45
20h 15m
2 stops
REP
09:25
LHR
09:40
24h 15m
2 stops
Depart: Fri 2 Oct 2015 Return: Mon 5 Oct 2015 Trip spans 4 days
£648
Select
China Southern
China Southern
LHR
02:55
REP
00:25
21h 30m
2 stops
REP
07:30
LHR
17:10
33h 40m
1 stop
Depart: Fri 25 Dec 2015 Return: Sun 10 Jan 2016 Trip spans 17 days
£657
Select
China Southern
China Southern
LHR
17:30
REP
22:30
29h 00m
1 stop
REP
06:30
LHR
09:45
27h 15m
2 stops
Depart: Sat 3 Oct 2015 Return: Tue 6 Oct 2015 Trip spans 4 days
£679
Select
Etihad Airways
Etihad Airways
LHR
11:05
REP
01:45
38h 40m
2 stops
REP
16:30
LHR
20:20
27h 50m
2 stops
Depart: Tue 22 Dec 2015 Return: Sun 10 Jan 2016 Trip spans 20 days
£699
Select
China Southern
China Southern
LHR
15:15
REP
22:30
31h 15m
2 stops
REP
06:30
LHR
15:45
33h 15m
2 stops
Depart: Thu 17 Dec 2015 Return: Mon 28 Dec 2015 Trip spans 12 days
£821
Select
Air China
Air China
LHR
12:40
REP
11:00
22h 20m
1 stop
REP
19:10
LHR
17:55
22h 45m
1 stop
Depart: Thu 15 Oct 2015 Return: Thu 29 Oct 2015 Trip spans 15 days
£834
Select
Emirates
Emirates
LGW
06:00
REP
01:45
19h 45m
2 stops
REP
16:55
LGW
14:50
21h 55m
2 stops
Depart: Sat 19 Dec 2015 Return: Mon 28 Dec 2015 Trip spans 10 days
£892
Select
China Eastern Air
China Eastern Air
LHR
16:00
REP
10:00
18h 00m
1 stop
REP
17:50
LHR
19:40
25h 50m
1 stop
Airports
Origin

London
only £450
only £834
Destination

Siem Reap
£450