10 Best Fly Repellents 2026 in the United States
#1
Winner
Sawyer Products SP874 Picaridin Insect Repellent Spray, 20% Picaridin, 4-Ounce, 1-Pack
The Sawyer Products SP874 Picaridin Insect Repellent Spray is a strong contender in the fly-repellent category. The active ingredient, 20% Picaridin, is highly effective at keeping flies at bay for up to 8 hours, making it suitable for extended outdoor activities like camping, hiking, and backyard gatherings. Additionally, it offers up to 12 hours of protection against mosquitoes and ticks, which is impressive for an insect repellent.
Rating
10.0
Chosen by1,203
Active Ingredients
Formulation
Duration of Protection
Most important from
11701 reviews
#2
Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
The Absorbine UltraShield EX 32oz Sprayer Insecticide is a robust fly-repellent suitable for use on horses, dogs, and premises. One of its main strengths is its ability to kill and repel over 70 species of pests, including flies, mosquitoes, ticks, and fleas. The formulation is water-based and ready-to-use, eliminating the need for mixing, which can be a real time-saver.
Rating
9.1
Active Ingredients
Formulation
Duration of Protection
Most important from
3741 reviews
#3
Country Vet Farmgard Permethrin Concentrate - 1 Quart (Case of 6) 343961CVA - Gets Rid of Flies, Mosquitoes, Silverfish, Cockroaches, Fleas, Millipedes, Gnats, Fruit Flies, Ticks, Lice, Spiders
The Country Vet FarmGard Permethrin Concentrate is a versatile and powerful insecticide designed for both indoor and outdoor use. It contains a 13.3% permethrin concentration, which is higher than many similar products, allowing it to deliver 33% more finished product and effectively control pests for up to 4 weeks with a single application. This makes it a cost-effective solution for those managing multiple animals or large areas.
Rating
8.8
Active Ingredients
Formulation
Duration of Protection
Most important from
197 reviews
Top 10 Best Fly Repellents 2026 in the United States
#1
Winner
Sawyer Products SP874 Picaridin Insect Repellent Spray, 20% Picaridin, 4-Ounce, 1-Pack
Sawyer Products SP874 Picaridin Insect Repellent Spray, 20% Picaridin, 4-Ounce, 1-Pack
Active Ingredients: 20% Picaridin
Formulation: Liquid
Duration of Protection: 8 hours for flies, 12 hours mosquitoes
Safety and Skin Sensitivity: Fragrance-free, non-greasy, dries quickly
Scent: Unscented
Chosen by 1203 this week
Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
Formulation: water-based, ready-to-use
Duration of Protection: up to 17 days
Safety and Skin Sensitivity: sunscreens, coat conditioners
Scent: strong odors
Country Vet Farmgard Permethrin Concentrate - 1 Quart (Case of 6) 343961CVA - Gets Rid of Flies, Mosquitoes, Silverfish, Cockroaches, Fleas, Millipedes, Gnats, Fruit Flies, Ticks, Lice, Spiders
Country Vet Farmgard Permethrin Concentrate - 1 Quart (Case of 6) 343961CVA - Gets Rid of Flies, Mosquitoes, Silverfish, Cockroaches, Fleas, Millipedes, Gnats, Fruit Flies, Ticks, Lice, Spiders
Active Ingredients: 13.3% permethrin
Formulation: Spray, dip, sponge-on, mixed with oil
Duration of Protection: 4 weeks
Safety and Skin Sensitivity: Caution around sensitive skin and pets
Scent: Coconut
Environmental Impact: Harmful to aquatic life
Gordon's Permethrin 10 Livestock & Premise Spray, 1 Quart, 9291082
Gordon's Permethrin 10 Livestock & Premise Spray, 1 Quart, 9291082
Active Ingredients: permethrin
Formulation: liquid insecticide spray
Safety and Skin Sensitivity: harsh on sensitive skin; harms aquatic life
Environmental Impact: harms aquatic life
Raid Flying Insect Spray, Outdoor Fresh Scent, Kills Flies, Mosquitoes, and Other Flying Insects on Contact, for Indoor and Outdoor Use, 18oz
Raid Flying Insect Spray, Outdoor Fresh Scent, Kills Flies, Mosquitoes, and Other Flying Insects on Contact, for Indoor and Outdoor Use, 18oz
Active Ingredients: d-Phenothrin 0.125%, prallethrin 0.1%, others
Formulation: Spray
Duration of Protection: Immediate knockdown, not long-lasting
Safety and Skin Sensitivity: Contains petroleum, sodium nitrite; avoid irritation
Scent: Outdoor Fresh
Environmental Impact: Toxic to insects and aquatic life
Related Products
Up to 14% off
$averPak InsectGuard Permethrin Mosquitoes, Ticks and Flies Repellent & Insecticide Spray for Pet Dog Horse Blanket Bed Kennal Stabels & More - Gallon (128oz)
$averPak InsectGuard Permethrin Mosquitoes, Ticks and Flies Repellent & Insecticide Spray for Pet Dog Horse Blanket Bed Kennal Stabels & More - Gallon (128oz)
Active Ingredients: permethrin
Formulation: water-based spray
Safety and Skin Sensitivity: safe around pets; dries in two hours
Scent: odorless when dry
Environmental Impact: toxic to aquatic life; avoid runoff
Farnam Repel-X Ready-To-Use Fly Spray, Insecticide And Repellent For Horses And Dogs, 32 Fluid Ounces, 1 Quart Bottle With Trigger Sprayer
Farnam Repel-X Ready-To-Use Fly Spray, Insecticide And Repellent For Horses And Dogs, 32 Fluid Ounces, 1 Quart Bottle With Trigger Sprayer
Active Ingredients: Permethrin
Formulation: Water-based
Duration of Protection: Decent duration; repeat applications needed
Safety and Skin Sensitivity: Safe over 1 month; avoid eyes; toxic cats
Scent: Pleasant
Environmental Impact: Contains permethrin; toxic to cats, wildlife
#10
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Buying Guide for the Best Fly Repellents
Choosing the right fly repellent can make a significant difference in your comfort and health, especially during the warmer months when flies are most active. Flies are not only annoying but can also carry diseases, so it's important to select a repellent that is effective and safe for your needs. Here are some key specifications to consider when choosing a fly repellent, along with explanations to help you make an informed decision.Active IngredientsThe active ingredients in a fly repellent determine its effectiveness. Common ingredients include DEET, picaridin, and natural oils like citronella or eucalyptus. DEET is highly effective and long-lasting, making it suitable for areas with heavy fly infestations. Picaridin is also effective and has a milder scent. Natural oils are less potent but are a good choice for those looking for a chemical-free option. Consider your sensitivity to chemicals and the level of fly activity in your area when choosing the active ingredient.
FormulationFly repellents come in various formulations such as sprays, lotions, wipes, and wearable devices. Sprays are easy to apply and cover large areas quickly, making them ideal for outdoor activities. Lotions provide a more controlled application and are less likely to be inhaled. Wipes are convenient for on-the-go use and can be easily packed in a bag. Wearable devices like bracelets or clip-ons offer a hands-free option. Choose a formulation that fits your lifestyle and the specific situations in which you'll need protection.
Duration of ProtectionThe duration of protection indicates how long the repellent will be effective after application. This can range from a few hours to all-day protection. Products with DEET or picaridin typically offer longer-lasting protection, while natural repellents may need to be reapplied more frequently. If you plan to be outdoors for extended periods, opt for a repellent with a longer duration to avoid frequent reapplication. For shorter activities, a product with a shorter duration may suffice.
Safety and Skin SensitivitySafety is crucial, especially if you have sensitive skin or are using the repellent on children. Some repellents can cause skin irritation or allergic reactions. Look for products that are dermatologically tested and labeled as safe for sensitive skin. Natural repellents are generally gentler but may be less effective. Always perform a patch test before full application to ensure you do not have an adverse reaction. Consider the age and skin sensitivity of all users when selecting a repellent.
ScentThe scent of a fly repellent can affect your comfort and willingness to use it. Some repellents have a strong chemical odor, which can be off-putting. Others are formulated to be odorless or have a pleasant fragrance. If you are sensitive to smells or plan to use the repellent in social settings, opt for a product with a mild or pleasant scent. Natural repellents often have a more agreeable smell due to their essential oil content.
Environmental ImpactConsider the environmental impact of the fly repellent you choose. Some chemical repellents can be harmful to the environment, particularly if they contain ingredients that are toxic to aquatic life. Natural repellents are generally more eco-friendly but may require more frequent application. If environmental sustainability is important to you, look for products that are biodegradable and free from harmful chemicals. Check the packaging for eco-friendly certifications or claims.