AirHint found the following cheapest one-way flights from Shanghai (SHA) to Seattle (SEA) in May 2026 (see full year).
One-Way flights
| 20 May | Korean Air | ||
| 21 May | Korean Air | ||
| 13 May | Korean Air | ||
| 25 May | ANA | ||
| 10 May | Cathay Pacific | ||
| 14 May | Cathay Pacific | ||
| 14 May | Delta | direct | |
| 26 May | Delta | direct | |
| 06 May | Delta | direct | |
| 21 May | Delta | direct |
Also check the deals for return flights from Shanghai to Seattle in May.
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