- Chicago (CHI) Frankfurt (FRA)
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up to 3 Non-stop flights per dayat least 7h 5minfrom $584 - Chicago (CHI) Munich (MUC)
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1–2 Non-stop flights per dayat least 7h 20minfrom $693 - Chicago (CHI) Dusseldorf (DUS)
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only flights with stopoverat least 10h 10minfrom $576