F1 Grand Prix
I doubt very much there will be any additional routes resulting from an event which only lasts for one week a year, however it is possible operators may provide additional rotations on existing routes during F1 week.
The event will obviously generate a considerable volume of corporate traffic and I understand as part of their traffic management proposals the event organisers intend to provide charter flights from a number of UK and European airports.
There have also been reports in the press the organisers have suggested the airport be closed to non-F1 traffic during the race weekend...! You can imagine the airport's response to that!
All the above is obviously subject to the event actually taking place; there is still much speculation regarding the timescale involved and their ability to raise the necessary funds.