Here are the best cheap economy flights from Boston (BOS) to Chicago (ORD).
Boston BOS
Wed, Aug 27
Chicago ORD
Wed, Aug 27
Boston BOS
Thu, Aug 28
Chicago ORD
Thu, Aug 28
Boston BOS
Fri, Aug 29
Chicago ORD
Fri, Aug 29
Boston BOS
Sat, Aug 30
Chicago ORD
Sat, Aug 30
Boston BOS
Sun, Aug 31
Chicago ORD
Sun, Aug 31
Boston BOS
Wed, Aug 27
Chicago ORD
Sat, Aug 30
Boston BOS
Thu, Aug 28
Chicago ORD
Sun, Aug 31
Boston BOS
Sat, Aug 30
Chicago ORD
Tue, Sep 2
Boston BOS
Sun, Aug 31
Chicago ORD
Wed, Sep 3
Boston BOS
Fri, Aug 29
Chicago ORD
Mon, Sep 1
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