Cheapest return flights from Bangkok to Phnom-penh in September from $108

Best time to book flights for Bangkok (BKK) to Phnom-penh (PNH) flights at AirHint

AirHint found the following cheapest return flights from Bangkok (BKK) to Phnom-penh (PNH) in September 2025 (see full year).

Return flights

14 Sep - 27 Sep Thai AirAsia direct
17 Sep - 27 Sep Thai AirAsia direct
18 Sep - 27 Sep Thai AirAsia direct
03 Sep - 15 Sep Thai AirAsia direct
03 Sep - 03 Sep Thai AirAsia direct
14 Sep - 15 Sep Thai AirAsia direct
14 Sep - 30 Sep Thai AirAsia direct
14 Sep - 29 Sep Thai AirAsia direct
17 Sep - 30 Sep Thai AirAsia direct
17 Sep - 29 Sep Thai AirAsia direct
27 Sep - 03 Oct Thai AirAsia direct
14 Sep - 03 Oct Thai AirAsia direct
17 Sep - 03 Oct Thai AirAsia direct
18 Sep - 03 Oct Thai AirAsia direct
25 Sep - 03 Oct Bangkok Airways direct
24 Sep - 03 Oct Thai AirAsia direct
25 Sep - 11 Oct Thai AirAsia direct
24 Sep - 11 Oct Thai AirAsia direct

Also check the deals for one-way flights from Bangkok to Phnom-penh in September.

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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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