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

One-Way flights

29 Aug	Thai VietJet Air	direct
30 Aug	Thai VietJet Air	direct
31 Aug	Thai VietJet Air	direct
27 Aug	Thai VietJet Air	direct
28 Aug	Thai VietJet Air	direct
24 Aug	Thai VietJet Air	direct
22 Aug	Thai VietJet Air	direct
26 Aug	Thai VietJet Air	direct
23 Aug	Thai VietJet Air	direct
25 Aug	Thai VietJet Air	direct

Also check the deals for return flights from Phnom-penh to Bangkok in August.

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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Cheapest one-way flights from Phnom-penh to Bangkok in August from 46€

One-Way flights