Singapore Airlines has lowered fares from New York to Frankfurt for winter/spring.
This offer is valid for travel between January 13 and March 31, with fares going for $798 round-trip, nonstop, including all taxes.
Tickets must be booked by January 30. Similar nonstop fares available from other carriers.
As seen below, we found seats for $798 nonstop on both Singapore and Lufthansa, departing JFK on March 13, returning from FRA on March 22.