about an hour
It should take about 3 hours depnding on what route you take. See the link below.
Parking at the Luton Airport in London is based on a pay to park system. There are numerous car parking lots at the Luton Airport. A person has to pay for how much time they will be parked at the Luton Airport. Rates stay at about four U.S. Dollars per day.
a long time
It depends on where you're travelling from.
8 hours by motor way - it is a long journey by car
It depends if you are on an airplane, boat, or a car.
The London Luton Airport has their own website with all kind of information about the airport. On the website prices for the car park as well as the possibility for booking a place can be found.
Luton London has its own official car park venue at the airport as well as other companies such as priority parking. These both can be extremely expensive and the futher advanced the car is booked in the car parks the cheaper it can be to park there.
Huddersfield to London is about 3 hours 35 minutes.
To the centre of London - about 1 hour 40 mins
5 hours
Approximately 4 hours