Cheapest return flights from Houston to Phnom-penh in May from $1117
AirHint found the following cheapest return flights from Houston (IAH) to Phnom-penh (PNH) in May 2025 (see full year).
Return flights
| 13 May - 20 May | Spirit Airlines | ||
| 14 May - 21 May | Spirit Airlines | ||
| 11 May - 23 Jun | Alaska Airlines | ||
| 28 May - 30 Jun | Spirit Airlines |
Also check the deals for one-way flights from Houston to Phnom-penh in May.
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.
