Croatia airlines is the main airliner connecting all major European cities to Croatia. The flight schedule becomes more regular in the summer. Flights are expensive when booked late and competitive with low-cost airliners when booked far in advance. Very good quality airliner flying from cities such as Brussels or Amsterdam directly to Split, Pula, Zadar or Zagreb. Check out the website here: www.croatiaairlines.com. The prices on the site are in Kuna (1 EUR = 7,35 Kuna), return tickets are often the same price as a single fare.