Cheapest return flights from London to Phnom-penh in December from $959

Best time to book flights for London (LGW) to Phnom-penh (PNH) flights at AirHint

AirHint found the following cheapest return flights from London (LGW) to Phnom-penh (PNH) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec Singapore Airlines
03 Dec - 19 Dec Singapore Airlines
05 Dec - 20 Dec Air China
06 Dec - 20 Dec Emirates
06 Dec - 31 Jan British Airways
29 Dec - 10 Jan Emirates
26 Dec - 14 Jan Emirates
24 Dec - 07 Jan Singapore Airlines
30 Dec - 09 Jan Emirates
14 Dec - 21 Dec Singapore Airlines
27 Dec - 10 Jan Emirates
24 Dec - 08 Jan British Airways
29 Dec - 30 Dec Singapore Airlines
27 Dec - 06 Jan Singapore Airlines
19 Dec - 28 Dec Emirates
15 Dec - 29 Dec British Airways
19 Dec - 05 Jan Emirates
13 Dec - 03 Jan Emirates

Also check the deals for one-way flights from London to Phnom-penh in December.

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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.

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