AirHint found the following cheapest return flights from Seattle (SEA) to Phnom-penh (PNH) in January 2025 (see full year).
21 Jan - 28 Jan | Korean Air | ||
15 Jan - 01 Feb | Korean Air | ||
25 Jan - 15 Feb | Korean Air | ||
26 Jan - 15 Feb | Korean Air |
Also check the deals for one-way flights from Seattle to Phnom-penh in January.
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.