AirHint found the following cheapest one-way flights from Beijing (PEK) to Seattle (SEA) in October 2025 (see full year).
One-Way flights
| 29 Oct | Hainan Airlines | ||
| 30 Oct | Asiana Airlines | ||
| 31 Oct | Philippine Airlines | ||
| 28 Oct | Korean Air | ||
| 27 Oct | Korean Air | ||
| 28 Oct | Hainan Airlines | direct |
Also check the deals for return flights from Beijing to Seattle in October.
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