Find cheap flight tickets for your travel from Barcelona to Belgrade using Kelkoo flights comparison site. Kelkoo Travel searches and compares hundreds of airlines from sites like to find the best fare for your trip. You'll find great deals using our advanced travel search with most of the top airlines, like Air Berlin and Alitalia. You can find air fares to Belgrade from £123 cheap offers prices. You can also choose from the different airports to suit your budget and travel time. We bring every aspect of your journey together as you can not only choose your flights, but also look for hotels and car hire at Kelkoo Travel! ... View more - View less