New York JFK – FRA Frankfurt, Germany fares dropped to below $850 today for departures in July 2015. Star Alliance looks to be the leading player with United, Lufthansa and Swiss Airlines offering fares as low as $833 roundtrip in July.
For a different flight experience, Singapore Airlines has a nonstop flight between New York JFK and FRA Frankfurt with fare as low as $826.33 in July. This can be booked on Singaporeair.com.
Singapore Airlines $826.33 Q booking class (Q class does not earn miles in United Mileage Plus)
Tuesday, July 14 – Tuesday, July 21
There are many dates in July available with fare under $850 roundtrip. This looks to be the lowest priced city in Europe for ticket purchases today from New York in July, unless you want to fly to Scandinavia.
Google Flights – NYC – Europe roundtrip airfare July 15-22.