Cheapest return flights from Seattle to Phnom-penh in July from $1050

Best time to book flights for Seattle (SEA) to Phnom-penh (PNH) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Phnom-penh (PNH) in July 2025 (see full year).

Return flights

09 Jul - 16 Jul Korean Air
08 Jul - 15 Jul Korean Air
03 Jul - 03 Aug China Eastern
12 Jul - 19 Jul Korean Air

Also check the deals for one-way flights from Seattle to Phnom-penh in July.

Skyscanner

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.

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