The contributors of Flight-Report published 20 reviews on 3 airlines on the route New York - John F Kennedy (JFK) → Frankfurt - Frankfurt am Main (FRA). The airline with the best average rating is Singapore Airlines with 8.7/10. The average flight time is 8 hours and 20 minutes.
Airlines on this route are:
Frequent travelers recommend "Lufthansa First Lounge" at JFK for meals/catering and services.
New York has an another airport to go to Frankfurt : New York - Newark Liberty (EWR)