THRIFTY rental desk at Billund AirportBillund Airport is open at the following times: , Monday from 07:30 until 21:59, Tuesday from 07:30 until 21:59, Wednesday from 07:30 until 21:59, Thursday from 07:30 until 21:59, Friday from 07:30 until 21:59, Saturday from 10:00 until 11:59, Sunday from 10:00 until 11:59