- San Francisco (SFO) Chicago O'Hare (ORD)
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up to 37 Non-stop flights per dayat least 3h 1minfrom $269 - Newark (EWR) Chicago O'Hare (ORD)
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up to 38 Non-stop flights per dayat least 2h 23minfrom $100 - Atlanta (ATL) Chicago O'Hare (ORD)
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up to 21 Non-stop flights per dayat least 1h 50minfrom $104 - Tampa (TPA) Chicago O'Hare (ORD)
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up to 19 Non-stop flights per dayat least 2h 47minfrom $112 - Baltimore (BWI) Chicago O'Hare (ORD)
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up to 9 Non-stop flights per dayat least 2hfrom $157 - Kansas City (MCI) Chicago O'Hare (ORD)
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up to 16 Non-stop flights per dayat least 1h 28minfrom $164