Cheapest return flights from Houston to Phnom-penh in September from $1211
AirHint found the following cheapest return flights from Houston (IAH) to Phnom-penh (PNH) in September 2025 (see full year).
Return flights
| 01 Sep - 08 Sep | Delta |
Also check the deals for one-way flights from Houston to Phnom-penh in September.
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.
