Cheapest return flights from London to Phnom-penh in October from $716

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

01 Oct - 22 Oct China Southern
30 Oct - 08 Nov Air China
29 Oct - 15 Nov Air China
15 Oct - 24 Oct Air China
26 Oct - 07 Nov Air China
21 Oct - 25 Oct China Southern
23 Oct - 05 Nov China Southern
25 Oct - 08 Nov China Southern
08 Oct - 18 Oct Singapore Airlines
11 Oct - 26 Oct Malaysia Airlines
23 Oct - 01 Nov China Southern
22 Oct - 01 Nov China Southern
17 Oct - 27 Oct China Southern
18 Oct - 30 Oct China Southern
11 Oct - 25 Oct Thai Airways
16 Oct - 31 Oct Thai Airways

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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