Cheap flights from Chicago to Berlin, Germany for only $450 roundtrip with Air Canada.
Limited availability from September 2017 to March 2018 (excluding Christmas/New Year)
25th Sep – 3rd Oct
More dates are available for $475 roundtrip:
30th Dec – 7th Jan
29th Jan – 6th Feb
28th Feb – 8th Mar
Allow the Momondo search to complete, then proceed to book with the OTA of your choice: