What Smells Do Fruit Flies Hate?

By the Fruit-Flies.com editorial team · Updated July 2026

Fruit flies are repelled by a handful of strong plant scents — peppermint, basil, eucalyptus, lemongrass, cloves and citronella among them — because these aromas mask the fermentation smell they hunt for and irritate their senses. But be honest with yourself: scent can nudge flies away from a spot, it cannot remove the eggs and larvae breeding out of sight. Repellent smells are a supporting act, never the cure.

Scents fruit flies tend to avoid

Several aromatic plants produce volatile oils that fruit flies find off-putting. Peppermint and spearmint, basil, eucalyptus, lemongrass, cloves, citronella, and to some degree cedar and camphor all fall in this group. The theory is simple: these sharp, herbaceous smells overwhelm and mask the fermentation cues the flies rely on to locate food, making a treated area less appealing to land on. Fresh herbs, crushed cloves or a few drops of essential oil in a diffuser are the usual home methods, explored in essential oils for fruit flies and lemon, cloves and herbs.

The smells that draw them in

To understand repellents, it helps to know what fruit flies love. They are exquisitely tuned to the smell of fermentation: apple cider vinegar, red wine, beer, ripe and rotting fruit, fruit juice and any sugary residue. Yeasts turning sugar into alcohol and acetic acid produce exactly the scent that says "food and breeding site" to a fruit fly. This is why those same attractant smells make the best trap bait — turning their strongest instinct against them, as the apple cider vinegar trap and best bait guide explain.

Why scent alone won't solve it

Here is the honest part. A repellent scent might discourage flies from settling on your counter, but it does nothing about the eggs and larvae already developing in a drain, a spill or a piece of overripe fruit. New adults will keep emerging regardless of how minty the air is, and once the aroma fades so does any effect. Studies and extension experts agree that oils and herbs are, at best, mildly and temporarily deterrent — never a substitute for removing the source. Treating scent as the whole plan is the classic reason an infestation drags on, as covered in the natural remedies overview.

How to use scent as a helper

Used sensibly, repellent smells have a supporting role. Grow a pot of basil or mint on the windowsill, keep the counter wiped so there is no competing food smell, and pair any aromatic deterrent with the two things that actually work: removing the breeding source and trapping the adults. Start with how to find the breeding source, then set traps from the traps hub. Scent tidies the edges; the source-and-trap combo does the real job.

Frequently asked questions

Does peppermint oil really repel fruit flies?

Peppermint and other strong oils can deter flies from a treated area by masking food smells, but the effect is mild and short-lived. It reduces landing, not the underlying infestation.

Will incense or scented candles get rid of fruit flies?

They may mildly discourage flies while burning, but they do not kill larvae or remove the source, so any relief is temporary. Treat them as an air freshener, not pest control.

What smell attracts fruit flies for a trap?

Fermentation smells work best — apple cider vinegar, red wine, beer or a chunk of overripe fruit. These are the baits to use in a trap, detailed in best bait for fruit flies.