Olbia Costa Smeralda Airport (OLB) handles national and European flights, with good summer connections from the UK, Germany, and Scandinavia. Buses 2 and 10 connect the airport to the city centre.
Ferries from Civitavecchia (near Rome), Genoa, and Livorno arrive at the Isola Bianca terminal, about 5km from the city centre. Grimaldi, GNV, and Tirrenia are the main operators. Crossing times range from 6 to 14 hours depending on the route.