London Phnom Penh - Cheap flights

Special flight deals from London to Phnom Penh

London - Phnom Penh
15 days
Mon 02 Nov
LGW-KTI· 1 stop
AirAsia X
Mon 16 Nov
KTI-LGW· 1 stop
AirAsia Cambodia
from1,313 USD
London - Phnom Penh
15 days
Mon 02 Nov
LGW-KTI· 1 stop
AirAsia X
Mon 16 Nov
KTI-LGW· 1 stop
AirAsia Cambodia
from1,313 USD
London - Phnom Penh
15 days
Mon 02 Nov
LGW-KTI· 1 stop
AirAsia X
Mon 16 Nov
KTI-LGW· 1 stop
AirAsia Cambodia
from1,313 USD
London - Phnom Penh
15 days
Mon 02 Nov
LGW-KTI· 1 stop
AirAsia X
Mon 16 Nov
KTI-LGW· 1 stop
AirAsia Cambodia
from1,313 USD
London - Phnom Penh
15 days
Mon 02 Nov
LGW-KTI· 1 stop
AirAsia X
Mon 16 Nov
KTI-LGW· 1 stop
AirAsia Cambodia
from1,313 USD
London - Phnom Penh
16 days
Mon 19 Oct
LGW-KTI· 1 stop
AirAsia X
Tue 03 Nov
KTI-LGW· 1 stop
AirAsia Cambodia
from1,314 USD
London - Phnom Penh
9 days
Fri 09 Oct
LHR-KTI· 2 stops
Austrian
Sat 17 Oct
KTI-LHR· 2 stops
Lufthansa
from1,122 USD
London - Phnom Penh
9 days
Fri 09 Oct
LHR-KTI· 2 stops
Austrian
Sat 17 Oct
KTI-LHR· 2 stops
Lufthansa
from1,122 USD
London - Phnom Penh
9 days
Fri 09 Oct
LHR-KTI· 2 stops
Austrian
Sat 17 Oct
KTI-LHR· 2 stops
Lufthansa
from1,122 USD
London - Phnom Penh
9 days
Fri 09 Oct
LHR-KTI· 2 stops
Austrian
Sat 17 Oct
KTI-LHR· 2 stops
Lufthansa
from1,122 USD
London - Phnom Penh
9 days
Fri 09 Oct
LHR-KTI· 2 stops
Austrian
Sat 17 Oct
KTI-LHR· 2 stops
Lufthansa
from1,122 USD
London - Phnom Penh
10 days
Wed 15 Jul
STN-KTI· 2 stops
Emirates
Fri 24 Jul
KTI-STN· 2 stops
Emirates
from1,492 USD
London - Phnom Penh
14 days
Wed 15 Jul
STN-KTI· 2 stops
Emirates
Tue 28 Jul
KTI-STN· 2 stops
Emirates
from1,493 USD
London - Phnom Penh
12 days
Wed 15 Jul
STN-KTI· 2 stops
Emirates
Sun 26 Jul
KTI-STN· 2 stops
Emirates
from1,494 USD
London - Phnom Penh
11 days
Wed 15 Jul
STN-KTI· 2 stops
Emirates
Sat 25 Jul
KTI-STN· 2 stops
Emirates
from1,494 USD
London - Phnom Penh
16 days
Mon 01 Feb
STN-KTI· 2 stops
Emirates
Tue 16 Feb
KTI-STN· 2 stops
Emirates
from1,699 USD
London - Phnom Penh
10 days
Fri 27 Nov
LCY-KTI· 2 stops
Air Dolomiti
Sun 06 Dec
KTI-LCY· 2 stops
Bangkok Airways
from2,247 USD
London - Phnom Penh
10 days
Fri 27 Nov
LCY-KTI· 2 stops
Air Dolomiti
Sun 06 Dec
KTI-LCY· 2 stops
Bangkok Airways
from2,247 USD
London - Phnom Penh
10 days
Fri 27 Nov
LCY-KTI· 2 stops
Air Dolomiti
Sun 06 Dec
KTI-LCY· 2 stops
Bangkok Airways
from2,247 USD
London - Phnom Penh
10 days
Fri 27 Nov
LCY-KTI· 2 stops
Air Dolomiti
Sun 06 Dec
KTI-LCY· 2 stops
Bangkok Airways
from2,247 USD

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Find the best time to book cheap flights to Phnom Penh

Flexible on travel dates? Discover the cheapest month to fly to Phnom Penh

Cheapest round-trip flight
from 1,052 USD
Cheapest month to travel
September
The cheapest day to fly
Sunday
Lowest prices
6 months before

Jun

1,131 USD

Jul

1,482 USD

Aug

1,358 USD

Sep

1,052 USD

Oct

1,438 USD

Nov

1,461 USD

Dec

1,381 USD

Jan

1,398 USD

Feb

1,351 USD

Mar

1,437 USD

Apr

May

When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

6 months before
from
783 USD
3 months before
from
1,702 USD
30 days before
from
3,244 USD
7 days before
from
1,520 USD
1 day before
from
2,065 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.

1,807 USD

Mon

1,168 USD

Tue

2,645 USD

Wed

1,230 USD

Thu

1,150 USD

Fri

1,776 USD

Sat

695 USD

Sun

General information

Local time (UTC+7)
12:06, 10 Jun 2026
Flight time from London
15 h 5 min
Exchange Rate
100 KHR = 0.02 USD