There are quite a number of cheap flights from the UK to Venice Marco Polo Airport, operated by various airlines. (There are also cheap flights to Venice Treviso Airport - see how to get from Treviso to Croatia.)

One option in travelling from Venice would be to take one of the numerous daily trains from Venice Santa Lucia or Mestre stations to Trieste and then the required transportation to Croatia.

Catamaran Service from Venice to Istria
Venezia Lines operate routes from Venice to various Istrian ports (Porec, Umag, Rovinj, Pula) as well as services to Rabac, Opatija and Mali Losinj. Most services operate between June and September; more popular ones operate from May to October (e.g. Venice - Porec). Book online using the form below:

Bosmere Travel (info@bosmeretravel.co.uk) are also the UK booking agents for these routes.

Venice - Pula by Bus
There is a daily service from Venice (the route actually starts in Padua) to Pula which is run by Italian company SAF.

Flights from the UK to Venice Marco Polo
Easyjet Flights from London Gatwick, Bristol and East Midlands
Jet2 Flights from Leeds Bradford and Manchester
BMI Flights from London Heathrow

Useful Travel Links
Venice Airport Information on getting to/from the airport
Trenitalia Train timetables for journeys within Italy
Die Bahn European train timetables