Cheapest return flights from London to Phnom-penh in December from 758€

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

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

Return flights

10 Dec - 13 Jan Air China
24 Dec - 12 Jan Air China
26 Dec - 11 Jan China Airlines
25 Dec - 08 Jan Air China
14 Dec - 04 Jan Air China
26 Dec - 02 Jan Air China
20 Dec - 28 Dec Air China
13 Dec - 27 Dec China Southern
17 Dec - 07 Jan Saudia
20 Dec - 04 Jan TAP
18 Dec - 02 Jan Air China
19 Dec - 09 Jan Air China

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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