Air Berlin, Germany's second-largest airline, unveiled its 2010 summer schedule, which will include new nonstop, twice-weekly service from San Francisco to Dusseldorf starting in May.

The carrier will also continue to offer Dusseldorf service from New York Kennedy, Los Angeles, Miami and Fort Myers, Fla.

Sample roundtrip airfares range from $594 from Kennedy to $805 from Los Angeles and San Francisco. Rates include taxes; additional fees may apply.