Are there nonstop flights from London (STN) to Frankfurt am Main (HHN)?

Yes. Ryanair fly this route. Flight time is about 1h 8m.

London → Frankfurt am Main

London Stansted Airport (STN) to Frankfurt-Hahn Airport (HHN)・537 km

Nonstop flights available (1 airline). Flight time about 1h 8m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.