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

One-Way flights

20 Jul	Thai VietJet Air	direct
16 Jul	Thai VietJet Air	direct
30 Jul	Thai VietJet Air	direct
23 Jul	Thai VietJet Air	direct
13 Jul	Thai VietJet Air	direct
18 Jul	Thai VietJet Air	direct
12 Jul	Thai VietJet Air	direct
22 Jul	Thai VietJet Air	direct
15 Jul	Thai AirAsia	direct
21 Jul	Thai VietJet Air	direct

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

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

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Cheapest one-way flights from Bangkok to Phnom-penh in July from 36€

One-Way flights