AirHint found the following cheapest one-way flights from Beijing (PEK) to Seattle (SEA) in September 2026 (see full year).
One-Way flights
| 08 Sep | Asiana Airlines | ||
| 04 Sep | ANA | ||
| 01 Sep | Cathay Pacific | ||
| 08 Sep | Hainan Airlines | direct | |
| 01 Sep | Hainan Airlines | direct |
Also check the deals for return flights from Beijing to Seattle in September.
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