Q: I shall be flying from Barcelona airport and will be away for 3 months. Is there anywhere to park for this time without being too expensive?
A: There is a new long stay car park at Barcelona Airport, located between Terminals 1 and 2. It is slightly cheaper than the other Barcelona Airport car parks. We recommend you check their website to get an accurate quote.
If you leave your car at Barcelona Airport for 3 months it is going to be expensive.
Alternatively consider leaving your car in a long term secure car park in Barcelona city and then simply catch a taxi to Barcelona airport from the long term car park. You will save many times over the price of parking at the airport by taking a taxi instead and using a long term car park. One such company offering secure car parking in Barcelona is B:SM. They also offer special rates for long term parking. If you contact them they will give you a quote for how much it will cost.