** Shares in European travel stocks fall after several warnthat Britain's vote to leave EU will hit profits
** Stoxx 600 Travel and Leisure Index among worstperforming in Europe, down 4 pct, and only 2 points shy ofhitting its lowest since Dec. 2014
** EasyJet worst performer by far, down 17 pct andhitting 3-yr lows; worst single-day fall since 2004 and two-dayfall ever
** Fellow airline operators also falling in volume: Flybe -12%, IAG down 9.4 pct, Ryanair down9.2 pct, Lufthansa down 5.5 pct, Air France KLM down 5 pct
** IAG warned on profit on Friday; travel group TUI warned on Sunday (shares down 2.4 pct)
(venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)