Save on late summer/fall flights to Europe with the current sale from Air Berlin.
Fares from New York, Chicago, Miami, and Los Angeles are valid for travel from August 23 through December 12.
Fares from San Francisco and Boston fares are valid from August 23 through October 31.
A Saturday stay is required, with an allowed maximum stay of 3 months.
Tickets must be booked by June 13.