From October till December 2015.
Hungarian low cost carrier Wizz Air offers cheap flights from UK to Belgrade. Tickets from London (Luton) from only 32.98 GBP round trip.
Sample travel dates:
October, November and December 2015.
How to book:
Go to Wizzair.com and choose the routing and dates from above.
Baggage during the trip:
One cabin bag per passenger with maximum dimensions of 42cm x 32cm x 25cm. To get the lowest rates you have to be a member of Wizz Discount Club (WDC).