Cheapest return flights from London to Phnom-penh in October from $546

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 October 2025 (see full year).

Return flights

28 Oct - 11 Nov Air China
27 Oct - 11 Nov Air China
29 Oct - 12 Nov Air China
29 Oct - 14 Nov Air China
29 Oct - 07 Nov Air China
01 Oct - 15 Oct China Southern
01 Oct - 08 Oct China Southern
31 Oct - 14 Nov China Southern
13 Oct - 27 Oct Air China
13 Oct - 20 Oct Air China
24 Oct - 07 Nov Air China
24 Oct - 16 Nov Air China
15 Oct - 30 Oct China Southern
19 Oct - 31 Oct China Southern
22 Oct - 02 Nov China Southern
14 Oct - 24 Oct Singapore Airlines
23 Oct - 01 Nov China Southern
18 Oct - 31 Oct China Airlines
11 Oct - 24 Oct British Airways
24 Oct - 31 Oct Air China

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

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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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