DIY Natural Fly Repellents

Create cheap, non-toxic barriers using household ingredients to keep annoying house flies out of your living spaces.

Repelling vs. Trapping

It is important to understand the difference between a trap and a repellent. If you already have dozens of flies buzzing inside your kitchen, a repellent will not get rid of them—it will just make them fly to a different room. You need to use our House Fly removal strategies to physically catch the ones inside.

DIY repellents are used as a preventative barrier. They mask the attractive odors of your home and deter new flies from crossing the threshold of open windows and doors.

The Essential Oil Deterrent Spray

Flies rely heavily on their sense of smell to find garbage and decaying food. Strong, aromatic plant oils overwhelm their receptors, making the area undesirable.

DIY Multipurpose Spray Recipe

  • 1 empty spray bottle (16 oz)
  • 1/2 cup distilled water
  • 1/2 cup witch hazel or cheap vodka (helps the oil mix with water)
  • 20 drops Peppermint Essential Oil
  • 20 drops Lemongrass or Eucalyptus Essential Oil

How to use:

Shake vigorously before every use. Spray generously around window frames, sliding glass doors, screen doors, and near the top rims of your kitchen trash cans. Reapply every 2-3 days as the volatile oils evaporate quickly.

⚠ïļ Caution: Do not spray this near cats or small dogs, as concentrated essential oils can be highly toxic to pets. See our Pet Safe Guide.

Physical and Herbal Deterrents

ðŸŠī Potted Herbs

Strategically placing pots of living basil, mint, lavender, and rosemary on your kitchen windowsills and patio tables acts as a constant, low-level deterrent.

🍋 The Lemon & Clove Trick

Cut a lemon or lime in half and firmly press 10-15 whole dried cloves into the exposed flesh. Place these halves on a small plate in the center of your outdoor dining table.

The Best Repellent is a Clean Home

No amount of peppermint spray will keep a house fly away from a rotting piece of meat left on the counter. The absolute best DIY fly repellent strategy is ruthless sanitation:

  • Wipe down your kitchen counters immediately after food prep.
  • Use white vinegar instead of water when mopping floors to neutralize deep-seated food odors.
  • Ensure your indoor trash cans have tightly sealing, step-activated lids.

Want a plan tailored to your home?

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DIY Repellent FAQs