Denver CO to Shanghai China $514 RT Airfares (limited travel March-April)

Delta, American and United Airlines all have roundtrip airfare from Denver (DEN) to Shanghai (PVG) for $514, making 1 stop. Stops are not too bad.
Travel Availability:
Departs DEN: March 22, 29; April 5, 12, 19, 26
Returns: wide availability Monday thru Thursday through May 30th
Use dates and plug into your favorite and reputable OTA such as Expedia , Travelocity , Priceline , Orbitz or Hotwire . Bundling hotel with airfare will save you money.
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http://www.expedia.com/