AirHint found the following cheapest return flights from Seattle (SEA) to Shanghai (PVG) in March 2026 (see full year).
Return flights
| 03 Mar - 16 Apr | Asiana Airlines | ||
| 01 Mar - 19 Mar | Korean Air | ||
| 20 Mar - 24 Mar | Korean Air | ||
| 01 Mar - 19 Mar | Delta | direct | |
| 03 Mar - 16 Apr | Delta | direct | |
| 20 Mar - 24 Mar | Delta | direct |
Also check the deals for one-way flights from Seattle to Shanghai in March.
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