AirHint found the following cheapest return flights from London (LHR) to Phnom-penh (PNH)
in May 2025 (see full year ).
Return flights
19 May
- 04 Jun
Air China
$ 586
19 May
- 29 May
China Southern
$ 612
07 May
- 19 May
China Southern
$ 613
19 May
- 10 Jun
China Southern
$ 613
07 May
- 12 May
China Southern
$ 665
11 May
- 03 Jun
Shenzhen Airlines
$ 665
24 May
- 08 Jun
Shenzhen Airlines
$ 667
31 May
- 15 Jun
Shenzhen Airlines
$ 667
30 May
- 15 Jun
Shenzhen Airlines
$ 668
01 May
- 18 May
China Southern
$ 675
01 May
- 15 May
China Southern
$ 700
09 May
- 26 May
China Southern
$ 701
09 May
- 22 May
China Southern
$ 701
05 May
- 19 May
China Southern
$ 701
15 May
- 29 May
China Southern
$ 719
11 May
- 23 May
China Eastern
$ 724
17 May
- 01 Jun
Shenzhen Airlines
$ 741
13 May
- 05 Jun
China Eastern
$ 779
02 May
- 08 Jun
Shenzhen Airlines
$ 818
22 May
- 06 Jun
China Southern
$ 818
Also check the deals for one-way flights from London to Phnom-penh in May .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
