Effective DIY Strategies to Eliminate Flies Indoors and Outdoors

Understanding the Fly Problem: Indoors and Outdoors

Flies are one of the most persistent household and outdoor pests, thriving wherever they can find food, moisture, and suitable breeding grounds. Indoors, flies are attracted to food waste, sugary spills, and organic matter. Outdoors, they congregate around garbage bins, gardens, grills, and areas with standing water. Addressing fly infestations requires a multi-pronged approach that combines sanitation, exclusion, and natural repellents for lasting results. [2]

Essential DIY Fly Control Indoors

1. Sanitation and Prevention

The foundation of fly control is cleanliness. Regularly empty trash bins, clean up food spills immediately, and ensure food is stored in airtight containers. Wash dishes promptly and avoid letting organic waste sit for long periods. Flies breed in moist, decaying matter, so keeping sinks, drains, and countertops dry is critical. [1]

2. Homemade Fly Traps

A popular and highly effective DIY method is the apple cider vinegar and dish soap trap . To make this:

1. Pour a cup of apple cider vinegar into a mason jar.
2. Add a few drops of dish soap and a pinch of sugar.
3. Cover the jar with plastic wrap, secure it with a rubber band, and poke small holes in the top.
4. Place the trap near fly hotspots, such as trash cans or fruit bowls.

Flies are drawn to the scent of vinegar and sugar, and the dish soap breaks the surface tension, trapping them in the liquid. [1]

3. Natural Fly Repellent Sprays

Essential oils can be blended to create an effective fly-repellent spray. Combine peppermint, lavender, eucalyptus, and lemongrass oils with water in a spray bottle. Spray this mixture around entry points, window sills, and kitchen surfaces. These oils not only repel flies but also leave your home smelling fresh. [1]

4. Physical Barriers

Install fine mesh screens on windows and doors to prevent flies from entering. Use weather stripping and seal cracks around doors to eliminate entry points. Regularly inspect and repair damaged screens for optimal protection.

Outdoor DIY Fly Solutions

1. Cleanliness and Waste Management

Maintain a tidy yard by sweeping patios, cleaning grills after use, and promptly removing fallen fruits or vegetables from garden areas. Ensure trash cans and compost bins have tightly fitted lids, use specialized bags to minimize odors, and clean up sticky spills immediately. [2]

2. Outdoor Fly Traps and Repellents

The apple cider vinegar trap works outdoors as well. Alternatively, you can use a homemade water bag trap:

1. Fill a clear plastic bag or glass with water and drop a few pennies inside.
2. Seal the bag and hang or place it around outdoor eating areas or doorways.

This method relies on light refraction, which disrupts flies’ vision and deters them from approaching. [3]

3. Repelling Plants

Strategically plant fly-repelling varieties such as basil, lavender, mint, and marigolds around patios and garden beds. These plants emit scents that are pleasant to humans but offensive to flies, reducing their presence naturally. [2]

Source: pinterest.ca

4. Essential Oil Outdoor Sprays

Mix a few drops of peppermint, lavender, or eucalyptus oil with water in a sprayer. Apply the solution to outdoor furniture, doorways, and areas where flies gather. This environmentally friendly method helps repel flies without resorting to chemicals. [2]

5. Pine-Sol Mixture

Some homeowners report success using Pine-Sol as a natural fly repellent outside. Combine half a bottle of Pine-Sol with one gallon of water, then spray the mixture around patios, tables, and gathering spots. Use caution with pets and children, and always test on a small area first. [4]

Challenges and Solutions

While these methods are effective, flies can be persistent. If you notice recurring infestations, assess your sanitation practices and look for hidden breeding sites such as compost piles, clogged gutters, or pet waste. For severe cases, consider consulting a licensed pest control professional for additional support.

Source: wikihow.com

Alternative Approaches

If natural and DIY methods do not provide sufficient control, you may opt for commercial fly traps, sticky tapes, or professional-grade fly baits. Products such as Alpine PT Fly Bait can be sprayed around outdoor entryways and patios to reduce fly populations. Always follow manufacturer instructions and safety guidelines, especially when using chemical products near pets or children. [5]

Step-by-Step Recap and Best Practices

1. Maintain strict cleanliness both indoors and outdoors.
2. Use apple cider vinegar traps and water bag tricks for targeted fly removal.
3. Repel flies naturally with essential oil sprays and fly-repelling plants.
4. Install screens and seal entry points to prevent fly access.
5. Explore Pine-Sol mixture and professional fly baits for persistent problems.

For more information on DIY pest management, search for established cleaning services in your area or consult the official website of the National Pest Management Association. Consider using search terms such as “fly control tips” or “safe fly repellents” for reputable sources and guidance.

References

• Sophia’s Cleaning (2025). 10 Best Ways to Get Rid of Flies in Home & Outside -How To Guide.
• Mosquito Joe (2010). How to Get Rid of Flies Outside: Natural and Effective Solutions.
• Making Lemonade Blog (2025). How To Keep Flies Away Outside With Pennies & Bag Of Water.
• Bugsy and Company TikTok (2023). Natural DIY Fly Repellent Hack for Outdoor Use.
• Do It Yourself Pest and Weed Control (2021). How to Get Rid of Flies in Your Backyard.