10 Best Fly Trap Outdoors 2025 in the United States

The Flowtron Bug Zapper is an electric insect killer designed for outdoor use, covering up to 1 acre. It's equipped with a powerful 40W UV light bulb and a high-voltage 5600V grid, making it effective in attracting and eliminating various flying pests like flies, mosquitoes, gnats, and moths.

The dual attractant system, which includes a UV light and an octenol cartridge, enhances its ability to lure insects, mimicking animal breath to attract more bugs. This zapper is easy to use—simply hang it on your property, and it operates without the need for messy bags or chemical refills, requiring only occasional bulb and cartridge replacements.

It is environmentally friendly and safe for use around people, pets, and wildlife, given its maintenance-free design and lack of chemical sprays or pesticides. The weatherproof polycarbonate housing ensures durability across different weather conditions, and being UL certified adds a layer of safety assurance. One drawback is that the need for replacing octenol cartridges might be considered an ongoing cost. Additionally, while it efficiently zaps bugs, it doesn't collect the dead insects, which might necessitate occasional ground cleanup. Despite these considerations, it is a reliable choice for those needing extensive outdoor insect control.

The Outdoor Fly Trap [2 Pack] offers an effective solution for controlling flies. It's designed with a dissolvable non-toxic bait, making it safe around children and pets. The trap effectively lures and drowns flies using a powerful bait with a strong odor, which is very efficient in attracting various fly species. The product is user-friendly, requiring just water and the included bait to set up. It's suitable for hanging outdoors and works best when placed away from sitting areas due to the strong smell.

One significant advantage is its fast-acting nature, with users needing to set it up just 5 hours ahead of use. On the downside, the water in the trap may evaporate quickly in hot weather, necessitating frequent refills to maintain its effectiveness. Durability is decent, but handling the trap when it's full can be messy and requires gloves. The product is not reusable without thorough cleaning, which can be inconvenient.

Still, for those dealing with a serious fly problem outdoors, this trap provides a powerful and relatively easy solution.

The RESCUE! Outdoor Fly Trap is designed to help you tackle fly infestations in your garden or patio. This fly trap is reusable, allowing you to use it season after season, which is great for eco-conscious consumers looking to reduce plastic waste. It uses a food-based attractant to lure flies, avoiding harmful chemicals and sprays. This makes it safer for pets and children, though the trap does have a strong odor and should be placed at least 20 feet away from living areas for optimal use.

The trap is effective against a variety of common fly species, including house flies, stable flies, and horse flies, providing a versatile solution for outdoor pest control. With each pack containing three traps, you can cover a larger area or have backups ready to go. The traps are made in the USA, ensuring they meet high-quality standards. However, they require periodic maintenance as you'll need to dump, rinse, and refill the traps when they get full.

The strong odor and the need for outdoor-only usage could be seen as drawbacks, but for those dealing with significant fly problems outdoors, this product could be very effective.