Cheapest return flights from Sydney to Phnom-penh in May from $488

Best time to book flights for Sydney (SYD) to Phnom-penh (PNH) flights at AirHint

AirHint found the following cheapest return flights from Sydney (SYD) to Phnom-penh (PNH) in May 2025 (see full year).

Return flights

13 May - 22 May China Southern
06 May - 22 May AirAsia X
14 May - 22 May AirAsia X
01 May - 01 Jun Philippine Airlines
27 May - 11 Jun Philippine Airlines
23 May - 09 Jun Vietnam Airlines
28 May - 11 Jun Vietnam Airlines
27 May - 15 Jun AirAsia X
15 May - 22 May AirAsia X
06 May - 17 May AirAsia X
14 May - 17 May AirAsia X
01 May - 22 May AirAsia X
14 May - 31 May AirAsia X
23 May - 31 May AirAsia X
02 May - 22 May AirAsia X
27 May - 09 Jun AirAsia X
28 May - 15 Jun AirAsia X
28 May - 09 Jun AirAsia X
14 May - 01 Jun AirAsia X
23 May - 01 Jun AirAsia X

Also check the deals for one-way flights from Sydney to Phnom-penh in May.

Skyscanner

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