Cheapest one-way flights from Seattle to Phnom-penh in May from $461
AirHint found the following cheapest one-way flights from Seattle (SEA) to Phnom-penh (PNH) in May 2025 (see full year).
One-Way flights
| 20 May | Asiana Airlines | ||
| 21 May | Korean Air | ||
| 26 May | WestJet | ||
| 27 May | Air Canada |
Also check the deals for return flights from Seattle 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.
