Cheapest return flights from Shanghai to Seattle in September from $718
AirHint found the following cheapest return flights from Shanghai (SHA) to Seattle (SEA) in September 2025 (see full year).
Return flights
| 11 Sep - 26 Sep | Korean Air | ||
| 16 Sep - 16 Oct | Asiana Airlines | ||
| 16 Sep - 16 Oct | Delta | direct | |
| 11 Sep - 26 Sep | Delta | direct |
Also check the deals for one-way flights from Shanghai 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.
