The best replacement for lighter fluid is butane.

The best alternatives to lighter fluid are rated as following:
★★★★★  butane
★★★★  coleman fuel
★★★  kerosene
★★  charcoal starter
★★  chimney starter
★★  naphtha
★★  charcoal lighter
★  white gas
★  lighter fluid
★  charcoal lighter fluid
  chimney
  charcoal chimney
  ronsonol
  zippo

Your alternative for lighter fluid is not listed? Suggest!
Speaking about lighter fluid, one probably shouldn't forget about zippo.

Other search terms related to lighter fluid and their ratings are:
★★★★★ zippo
★★★★ charcoal chimney
★ charcoal
You have in mind a companion for lighter fluid and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lighter fluid in all years. Click on graph for more.
lighter fluid
butane
coleman fuel