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

Return flights

01 Jul - 12 Jul	Wizz Air UK
03 Jul - 23 Jul	Wizz Air
12 Jul - 26 Jul	Wizz Air UK
10 Jul - 15 Jul	Wizz Air UK
08 Jul - 26 Jul	Wizz Air UK
05 Jul - 19 Jul	Wizz Air UK
09 Jul - 26 Jul	Wizz Air
07 Jul - 27 Jul	Wizz Air
16 Jul - 25 Jul	easyJet
16 Jul - 23 Jul	easyJet
01 Jul - 11 Aug	Wizz Air UK
24 Jul - 09 Aug	easyJet
22 Jul - 28 Aug	Ryanair
17 Jul - 15 Aug	easyJet
27 Jul - 09 Aug	easyJet
18 Jul - 03 Aug	easyJet
26 Jul - 09 Aug	Ryanair
30 Jul - 27 Aug	easyJet
23 Jul - 06 Aug	easyJet
24 Jul - 06 Aug	easyJet

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 787€

Return flights