Oneworld Alliance put Germany on sale with discount tickets from LAX and San Francisco Bay Area Airports to Berlin, Cologne, Frankfurt and Hamburg for travel August 2017 to March 2018.
This is a fluid situation with a ticket I priced for SJC-HAM at $496.72 while writing this post that is now over $1,300.
Even tickets re-pricing higher on Google Flights may still be available through Momondo.com searches for online travel agency tickets.
American Airlines ticket Oakland to Berlin TXL
$487.66 round trip Sat Nov 18-Sun Nov 26
OTA ticket AA/BA Los Angeles LAX – Frankfurt, Germany FRA
$414 round trip Sat Nov 11 – Fri Nov 24