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How to keep flies and spiders out of the home: 5 easy hacks

Yvonne kneel product designer holding roman blindAuthor Yvonne KealProduct Management SpecialistWritten 02/03/2026
Bright dining nook with sheer white blinds on patio doors, a wooden table with flowers and fruit, and a cream corner bench with cushions.

Wondering how to keep flies and spiders out of the home? You’re not alone. These pests can be a nuisance all year round - flies buzzing in summer, spiders sneaking in during autumn and winter. The good news? A few clever hacks can help you enjoy a fresh, comfortable home without unwanted visitors.

Close-up of a tilt-and-turn window viewed through fine white screen blinds, showing the open frame and soft outdoor blur behind.

Hack 1 - Create a barrier to keep bugs out

One of the most effective ways to keep flies and spiders out of the home is by installing fly screens . They let in fresh air and natural light while blocking pests. Modern fly screens are sleek, made-to-measure, and designed to fit snugly with no gaps - because even the smallest opening can be an invitation for bugs. They’re ideal if you want to stop flies getting into your house.

Front view of a brick house with a bay window, green front door, and a leafy tree in the garden.

Hack 2 - Seal the sneaky gaps

Flies and spiders are experts at finding tiny cracks. Over time, gaps appear around windows, doors, and vents. To keep flies and spiders out, check these areas regularly and seal them with weatherproof caulk or door strips. Don’t forget letterboxes and keyholes - brush covers work wonders. A quick seasonal check can make a real difference.

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Hack 3 - Tidy up outside

Your outdoor space plays a big role in pest control. Overhanging branches and shrubs act like bridges for spiders, while bins and standing water attract flies. Trim back plants touching your home, keep bins tightly closed, and clear gutters. These simple steps help reduce pests gathering near entry points - and make your garden look great too.

Soft-focus view of bright shutters with sunlight filtering through, framed by vibrant orange flowers and fruit in the foreground.

Hack 4 - Use natural deterrents

Prefer a chemical-free approach? Essential oils like peppermint, eucalyptus, and lavender smell great and repel insects. Mix a few drops with water and spray around door frames and corners. Spiders dislike citrus, so pop orange or lemon peels near windows. For flies, a simple trap of apple cider vinegar and a drop of dish soap works wonders. These natural methods are easy, affordable, and effective.

Window with sheer white screen blinds above a cream seating nook, styled with spotted cushions in a neutral, cosy space.

Hack 5 - Adjust for the seasons

The best way to keep flies and spiders out of the home is to stay one step ahead. In summer, focus on fly screens and outdoor tidying to stop flies getting into your house. Autumn is prime time for sealing gaps before spiders move in. Winter? Check for cracks and keep barriers strong - spiders love a warm spot when it’s cold outside. A little seasonal preparation goes a long way.

The bottom line

Keeping flies and spiders out of the home doesn’t have to be complicated. With these simple hacks - from creating barriers and sealing gaps to using natural deterrents - you can enjoy fresh air without the frustration of pests. Start with the basics - fly screens, sealing gaps, and a quick tidy outside - then add natural deterrents for extra peace of mind. By making these small changes, you’ll create a cleaner, more comfortable space for every season.

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