Here are the best cheap economy flights from Boston (BOS) to Chicago (ORD).
Boston BOS
Sat, Nov 1
Chicago ORD
Sat, Nov 22
Boston BOS
Mon, Nov 3
Chicago ORD
Mon, Nov 24
Boston BOS
Tue, Nov 4
Chicago ORD
Tue, Nov 25
Boston BOS
Wed, Nov 5
Chicago ORD
Wed, Nov 26
Boston BOS
Thu, Nov 6
Chicago ORD
Thu, Nov 27
Boston BOS
Sun, Nov 2
Chicago ORD
Sun, Nov 23
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