United and Delta Airlines have round trip airfares travelling from Omaha NE (OMA) to Toronto Canada (YYZ) for $263, making 1 stop.
Departs OMA: Aug 18, 21; Sept 8, 11-12, 14-15, 18-19, 22, 24-26; Oct 2, 3, 10
Returns: good and wide availability, generally a 7-day stay
Use dates and book it with your favorite and reputable OTA such as Travelocity [travelocity.com]
, Priceline [priceline.com]
or Expedia [expedia.com]
. Bundling hotel with airfare will save money.