Cheapest return flights from Phnom-penh to Bangkok in September from $155

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

Return flights

08 Sep - 08 Sep Thai VietJet Air direct
07 Sep - 08 Sep Cambodia Airways direct
06 Sep - 06 Sep Thai Airways direct
17 Sep - 18 Sep Cambodia Airways
09 Sep - 16 Sep Cambodia Airways
18 Sep - 20 Sep Cambodia Airways
19 Sep - 21 Sep Cambodia Airways
17 Sep - 19 Sep Cambodia Airways
10 Sep - 17 Sep Cambodia Airways
17 Sep - 21 Sep Cambodia Airways

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