The cheapest way in. Nothing listed is quicker.
Bus X1 to the city centre
X1 · National Express West MidlandsPickup, hours & luggage
Boards at. Bus stop K on the forecourt, directly outside the terminal
£3 for one ride on one bus — tap a bank card or phone, pay the driver the exact fare in cash, or buy in the mTicket app; children 5 to 18 £1.50, under-fives free. A day ticket is £5.50, and tapping the same card is capped at that. The group day ticket is £9.70 for up to five adults, or two adults and four children.
Luggage. A city bus: cases go in the wheelchair and buggy bay or beside you; the operator states no allowance.