Manchester, Leeds/Bradford and Nottingham East Midlands airports are all about an hour's travel time from Sheffield. Robin Hood Airport near Doncaster is around 30 minutes away by car.
Manchester Airport is served by domestic and international carriers and has a direct rail link to Sheffield both day and night.
Both London airports (Heathrow and Gatwick) are reasonably accessible by rail with just one change of train. We recommend you allow at least four hours travel time between either of these airports and Sheffield.