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

Return flights

14 Jul - 04 Aug	Air China
12 Jul - 19 Jul	Air India
29 Jul - 13 Aug	Wizz Air UK
13 Jul - 20 Jul	Wizz Air UK
29 Jul - 08 Aug	Wizz Air UK
11 Jul - 27 Jul	Wizz Air UK
12 Jul - 31 Jul	Air India
18 Jul - 28 Jul	Wizz Air UK
28 Jul - 07 Aug	AZAL
16 Jul - 23 Jul	Wizz Air UK
11 Jul - 17 Jul	Wizz Air UK
16 Jul - 25 Jul	Wizz Air UK
11 Jul - 10 Aug	Wizz Air UK
10 Jul - 16 Jul	Air India
28 Jul - 04 Aug	AZAL
11 Jul - 18 Jul	Wizz Air UK
28 Jul - 06 Aug	AZAL
09 Jul - 01 Aug	Air India
23 Jul - 09 Aug	Wizz Air Malta
18 Jul - 01 Aug	Wizz Air UK

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

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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Cheapest return flights from London to Phnom-penh in July from 748€

Return flights