Bournemouth airport is clearly signposted just off the A338.
From London/M3 corridor
If you're travelling from London or anywhere along the M3 corridor, take the M3 southbound towards Southampton. Where the M3 joins the M27 follow the westbound directions for Bournemouth.
From the Midlands and the north
Head for Oxford and join the A34 dual carriageway. The A34 will take you south as far as Winchester. At Winchester, join the M3 southbound and follow the directions given above.
From the Sussex/Kent coast
Take the A27 to the M27. At its western end the M27 becomes the A31 duel carriageway as it crosses the New Forest. Shortly after the town of Ringwood, exit left onto the A338 duel carriageway and follow the signs for Bournemouth. Five miles along the A338 you will see the B3073 exit for Bournemouth airport signposed on your left.
From the south west
The most direct route from the south-west is to head for Wimborne using the A35. At Wimborne join the A31 where the airport will be clearly signposted.