Chicago ORD

United and American $68 to $88 SFO to Chicago one way Feb to May 2016

American Airlines $75 round trip ORD-LAX early Dec

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Google Flights tutorial finding low fares to Orlando like ORD-MCO $88 round trip UA and AA

United $63 each way SFO to Chicago Dec-Feb

American $80 Chicago ORD to New York JFK round trip

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American Los Angeles–Chicago $80 round trip in November

SFO to Chicago $197 AA, UA, VX or $178 Frontier

American $127 SFO to Chicago round trip, LAX $119, SNA $157 Sep-Nov 2015

Frontier Airlines Savebig $29.98 round trip fares SFO to Chicago or Denver

American Airlines LAX to Chicago $98 round trip still around

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