Bilbao International airport is probably the cheapest option and the one with most connecting flights from other European cities. Is located in the city of Bilbao, 291 km from Oviedo. ALSA has a connecting buss service between the two cities. The trip takes three and a half hours. If you’re travelling as a group, you’ll have plenty of rental-car companies at the airport, and the driving time between the to cities is approximately three hours.