The best replacement for cava is champagne.

The best alternatives to cava are rated as following:
★★★★★  champagne
★★★★  prosecco
★★  brut
★★  asti
★  aorta
★  sparkling wine
★  inferior vena cava
★  cuvee
★  roti
★  taqa
★  connections academy
★  prosecco better
★  seanol
  inferior vena cava into the
  aorta thicker
  pulmonary artery

Your alternative for cava is not listed? Suggest!
Speaking about cava, one probably shouldn't forget about lemon sorbet.

Other search terms related to cava and their ratings are:
★★★★★ lemon sorbet
You have in mind a companion for cava and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of cava in all years. Click on graph for more.
cava
champagne
prosecco