AirHint found the following cheapest one-way flights from Beijing (PEK) to Seattle (SEA) in September 2025 (see full year).
One-Way flights
| 09 Sep | Asiana Airlines | ||
| 23 Sep | Asiana Airlines | ||
| 26 Sep | United | ||
| 27 Sep | United | ||
| 09 Sep | Hainan Airlines | direct | |
| 23 Sep | Hainan Airlines | direct | |
| 27 Sep | Hainan Airlines | direct | |
| 24 Sep | Singapore Airlines |
Also check the deals for return flights from Beijing to Seattle in September.
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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