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

Return flights

09 Jul - 23 Jul	SWISS
25 Jul - 03 Aug	SWISS
25 Jul - 06 Aug	Hainan Airlines
11 Jul - 18 Jul	Hainan Airlines
07 Jul - 28 Jul	Lufthansa
18 Jul - 17 Aug	Hainan Airlines
26 Jul - 16 Aug	Hainan Airlines
27 Jul - 16 Aug	ITA Airways
19 Jul - 02 Aug	Lufthansa
14 Jul - 23 Jul	Qatar Airways
13 Jul - 29 Jul	Qatar Airways
08 Jul - 28 Jul	SWISS
08 Jul - 21 Jul	SWISS
26 Jul - 15 Aug	Austrian Airlines
08 Jul - 29 Jul	SWISS

Also check the deals for one-way flights from Brussels 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.

Book a cheap hotel in Phnom-penh

Cheap car rent in Phnom-penh

Cheapest return flights from Brussels to Phnom-penh in July from $1099

Return flights