- Chicago (CHI) Frankfurt (FRA)
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4–6 non-stop flights per dayat least 7h 20minfrom $611 - Chicago (CHI) Munich (MUC)
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2–4 non-stop flights per dayat least 7h 20minfrom $608 - Chicago (CHI) Stuttgart (STR)
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up to 1 non-stop flight per dayat least 7h 40minfrom $643 - Chicago (CHI) Berlin (BER)
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only flights with stopoverat least 10h 45minfrom $578 - Chicago (CHI) Hannover (HAJ)
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only flights with stopoverat least 10h 50minfrom $644 - Chicago (CHI) Dusseldorf (DUS)
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only flights with stopoverat least 11hfrom $627 - Chicago (CHI) Hamburg (HAM)
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only flights with stopoverat least 10h 25minfrom $592