AirHint found the following cheapest one-way flights from Shanghai (SHA) to Seattle (SEA) in September 2026 (see full year).
One-Way flights
| 23 Sep | ANA | ||
| 12 Sep | ANA | ||
| 20 Sep | ANA | ||
| 12 Sep | Delta | direct | |
| 23 Sep | Delta | direct | |
| 24 Sep | Spring Airlines | ||
| 24 Sep | Delta | direct | |
| 25 Sep | Korean Air | ||
| 25 Sep | Delta | direct | |
| 20 Sep | Delta | direct |
Also check the deals for return flights from Shanghai to Seattle in September.
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