AirHint found the following cheapest return flights from Manchester (MAN) to Phnom-penh (PNH) in September 2025 (see full year).
25 Sep - 05 Oct | British Airways | ||
20 Sep - 30 Sep | Singapore Airlines | ||
09 Sep - 19 Sep | British Airways | ||
01 Sep - 14 Sep | British Airways |
Also check the deals for one-way flights from Manchester to Phnom-penh in September.
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.