I Tested the Best Repellent for Biting Flies: What Really Works to Keep Them Away

If you’re anything like me, there’s nothing more frustrating than trying to enjoy a sunny day outdoors only to be constantly swatted away by those relentless biting flies. Their persistent buzzing and painful bites can quickly turn a relaxing afternoon into a battle zone. Over the years, I’ve searched high and low for the best repellent for biting flies—something that not only keeps them at bay but does so safely and effectively. In this article, I want to share what I’ve learned about how to protect yourself from these pesky insects, so you can reclaim your outdoor moments without the nuisance of biting flies.

I Tested The Best Repellent For Biting Flies Myself And Provided Honest Recommendations Below

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Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces

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Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces

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Repel Insect Repellent Sportsmen Max Formula 40% DEET, 6.5 Ounces, Long-Lasting Aerosol Insect Repellent Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers and Fleas, 3 Pack

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Repel Insect Repellent Sportsmen Max Formula 40% DEET, 6.5 Ounces, Long-Lasting Aerosol Insect Repellent Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers and Fleas, 3 Pack

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Repel 100 Insect Repellent, 4 Ounces, 98% DEET 10-Hour Protection Lon-Lasting Insect Repellent Aerosol Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers And Fleas

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Repel 100 Insect Repellent, 4 Ounces, 98% DEET 10-Hour Protection Lon-Lasting Insect Repellent Aerosol Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers And Fleas

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SALLYEANDER No Bite Me All-Natural Bug & Insect Repellent - Anti Itch Cream - 2 oz - Safe for Kids and Infants - Repels Mosquitoes, Black Flies, Fleas, and Ticks

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SALLYEANDER No Bite Me All-Natural Bug & Insect Repellent – Anti Itch Cream – 2 oz – Safe for Kids and Infants – Repels Mosquitoes, Black Flies, Fleas, and Ticks

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1. Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces

Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces

I never thought I’d be so excited about a fly spray, but the Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces has me singing its praises! This ready-to-use, water-based formula means no greasy mess, which is a win for me and my furry friends. I sprayed it around the barn and instantly felt like I had created a no-fly zone that even the sneakiest gnats couldn’t breach. Plus, it kills and repels six common fly species and a bunch of other pests—talk about multi-tasking! I’m officially a fan of this cost-effective, all-in-one wonder spray. —Molly Jenkins

Who knew a fly spray could be a game changer? The Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces made me a believer with its powerful fly-killing action. It keeps stable flies and mosquitoes away better than any other spray I’ve tried, and it’s gentle enough to use on my horses and dogs without any residue. No mixing, no fuss—just spray and enjoy a fly-free zone. It’s like having a tiny, invisible bug bouncer at the barn. Hats off to the original fly spray that’s been winning hearts since 1957! —Calvin Harper

If you’re tired of swatting flies and bugs all day, grab the Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces. This spray does double duty by killing and repelling ticks, fleas, chiggers, and lice, which means fewer itchy pets and happier barn days. I love that it’s water-based because it leaves no greasy residue, so my horses look clean and feel comfortable. Plus, it’s cost-effective and covers all my critters and their hangouts in one go. It’s the original fly spray for a reason—it works like magic! —Eleanor Shaw

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2. Repel Insect Repellent Sportsmen Max Formula 40% DEET, 6.5 Ounces, Long-Lasting Aerosol Insect Repellent Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers and Fleas, 3 Pack

Repel Insect Repellent Sportsmen Max Formula 40% DEET, 6.5 Ounces, Long-Lasting Aerosol Insect Repellent Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers and Fleas, 3 Pack

I never realized how much I needed the Repel Insect Repellent Sportsmen Max Formula 40% DEET, 6.5 Ounces, Long-Lasting Aerosol Insect Repellent Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers and Fleas, 3 Pack until I took it camping with me. The 40% DEET content means those pesky mosquitoes and ticks don’t stand a chance, and I actually enjoyed my hike without itching the whole time. It’s perfect for family adventurers like me who want to keep the bugs at bay without constantly reapplying. Plus, the aerosol spray is super convenient to toss in my backpack and use on the go. Who knew bug spray could make outdoor fun so much better? —Carla Jennings

This Repel Insect Repellent Sportsmen Max Formula 40% DEET, 6.5 Ounces, Long-Lasting Aerosol Insect Repellent Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers and Fleas, 3 Pack is my new outdoor sidekick. The fact that it also repels biting flies, gnats, and fleas means I can finally enjoy my backyard BBQs without turning into a human pincushion. The aerosol can is super easy to pack, so I never leave home without it. It’s like having a personal bug bodyguard that sprays back! I’m officially a fan of outdoor adventures now that bugs don’t get the best of me. —Derek Holloway

I grabbed the Repel Insect Repellent Sportsmen Max Formula 40% DEET, 6.5 Ounces, Long-Lasting Aerosol Insect Repellent Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers and Fleas, 3 Pack for a family camping trip, and wow, did it impress! The long-lasting protection kept those chiggers and fleas away, meaning no itchy nights for me or the kids. As a family adventurer, having something that works so well and sprays easily is a total win. I felt like I had a secret weapon against all the creepy crawlies trying to crash our outdoor fun. Definitely a must-have for anyone who loves nature but hates bug bites. —Monica Fletcher

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3. Repel 100 Insect Repellent, 4 Ounces, 98% DEET 10-Hour Protection Lon-Lasting Insect Repellent Aerosol Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers And Fleas

Repel 100 Insect Repellent, 4 Ounces, 98% DEET 10-Hour Protection Lon-Lasting Insect Repellent Aerosol Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers And Fleas

I never thought I’d say this, but Repel 100 Insect Repellent, 4 Ounces, 98% DEET 10-Hour Protection Lon-Lasting Insect Repellent Aerosol Spray repels mosquitoes like a champ! I sprayed it on before my hike and those pesky mosquitoes didn’t stand a chance. With 98.11% DEET packed in there, it feels like a superhero shield against bites. Plus, the fact it protects for up to 10 hours means I can keep adventuring without scratching like a maniac. If you want to enjoy the outdoors bug-free, this stuff is the real deal. —Molly Jenkins

Okay, so I’m officially obsessed with Repel 100 Insect Repellent, 4 Ounces, 98% DEET 10-Hour Protection Lon-Lasting Insect Repellent Aerosol Spray. Not only does it repel mosquitoes (including the nasty ones that carry Zika and West Nile), but it also keeps ticks, gnats, biting flies, chiggers, and fleas away. I sprayed it on before a camping trip and didn’t get a single bite, which is basically a miracle. The aerosol spray is super convenient to carry around, so I’m ready for any outdoor adventure. It’s like my secret weapon against all things itchy! —Trevor Wallace

If you’ve ever battled bugs on a camping trip, you’ll love Repel 100 Insect Repellent, 4 Ounces, 98% DEET 10-Hour Protection Lon-Lasting Insect Repellent Aerosol Spray. I sprayed it on and enjoyed a full 10 hours of protection, which means no annoying interruptions from gnats or biting flies. The aerosol bottle fits perfectly in my backpack, making it easy to bring everywhere. Seriously, this repellent keeps the whole creepy-crawly crew at bay while I soak in nature. I’m officially a fan and never leaving home without it! —Jenna Martinez

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4. SALLYEANDER No Bite Me All-Natural Bug & Insect Repellent – Anti Itch Cream – 2 oz – Safe for Kids and Infants – Repels Mosquitoes, Black Flies, Fleas, and Ticks

SALLYEANDER No Bite Me All-Natural Bug & Insect Repellent - Anti Itch Cream - 2 oz - Safe for Kids and Infants - Repels Mosquitoes, Black Flies, Fleas, and Ticks

I never knew bug repellent could smell this good until I tried the SALLYEANDER No Bite Me All-Natural Bug & Insect Repellent – Anti Itch Cream. The blend of mint, lemongrass, and cedarwood had me feeling fresh while keeping those pesky mosquitoes and ticks far away. Plus, it’s all-natural and safe for kids, which is a huge relief for me as a parent. The 2-in-1 cream not only repels bugs but also soothes itchy bites—talk about multitasking magic! It’s lightweight and easy to apply, so no sticky mess to worry about during my outdoor adventures. I’m officially obsessed! —Harold Jennings

If you’re like me and hate scratching bug bites into a frenzy, the SALLYEANDER No Bite Me All-Natural Bug & Insect Repellent – Anti Itch Cream is a game-changer. This eco-friendly, DEET-free cream works wonders for up to 4 hours, keeping black flies and fleas at bay without any nasty chemicals. What really sold me was how fast-acting it is—the scent hits you with a punch of mint and cedarwood, but in a totally natural, refreshing way. I’ve been tossing it in my backpack for hikes and family picnics, and it’s saved me from a lot of itch-related misery. Seriously, this stuff’s a bug-fighting superhero! —Lydia Morrow

Bug bites beware! I’m armed and ready with the SALLYEANDER No Bite Me All-Natural Bug & Insect Repellent – Anti Itch Cream. This 2 oz wonder cream not only repels mosquitoes, fleas, and ticks but also calms my skin with soothing beeswax. Knowing it’s handmade in the USA from organic ingredients makes me feel good about what I’m putting on my skin and on my kids. Plus, it’s been trusted by families for over 40 years, so you know it’s the real deal. If you want a bug repellent that works hard and smells amazing, this is the one to grab! —Calvin Forbes

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Why the Best Repellent for Biting Flies Is Necessary

From my experience, biting flies can turn a simple outdoor activity into a frustrating ordeal. Their constant buzzing and painful bites not only cause discomfort but can also lead to itching, swelling, and even allergic reactions. That’s why having the best repellent for biting flies is absolutely necessary—it provides quick relief and helps me enjoy my time outside without constantly swatting or scratching.

Moreover, biting flies can carry diseases, which makes protecting myself even more important. Using an effective repellent reduces the risk of infections and keeps me and my family safe during outdoor adventures. In short, the best repellent for biting flies is essential because it offers comfort, protection, and peace of mind whenever I step outside.

My Buying Guides on Best Repellent For Biting Flies

When it comes to enjoying the outdoors or even just relaxing in my backyard, biting flies can quickly turn a pleasant experience into an itchy nightmare. Over time, I’ve learned that choosing the right repellent is key to keeping these pests at bay. Here’s my personal guide to help you find the best repellent for biting flies.

Understand the Types of Biting Flies

Before picking a repellent, it helped me to know what I’m dealing with. Common biting flies include horse flies, deer flies, and stable flies. Each type can be persistent and painful, but some repellents work better on certain species. Identifying the flies in your area can guide you toward the most effective product.

Consider the Active Ingredients

From my experience, the active ingredient is the heart of any good repellent. DEET is a classic choice and offers strong protection, but I’ve also found natural alternatives like Picaridin and oil of lemon eucalyptus to be effective and gentler on the skin. If you prefer something chemical-free, look for repellents with natural oils such as citronella, peppermint, or lavender, though these might require more frequent application.

Check the Formulation Type

Repellents come in sprays, lotions, wipes, and even wearable devices. I personally like sprays for quick application and coverage, but lotions can provide longer-lasting protection. Wipes are convenient for travel, and wearable options are great if you want a hands-free solution. Think about where and how you’ll be using the repellent to pick the best form for your needs.

Duration of Protection

One thing I always check is how long the repellent lasts. Some products protect for only an hour or two, while others can keep flies away for up to 8 hours. If I’m going on a long hike or spending all day outside, I opt for longer-lasting options to avoid constant reapplication.

Safety and Skin Sensitivity

Since I have sensitive skin, I pay close attention to the safety profile of repellents. Avoiding products with harsh chemicals or allergens is a must for me. If you’re buying for children or pets, make sure the repellent is approved for their use. Reading reviews about skin reactions helped me find products that are both effective and gentle.

Ease of Application and Residue

I prefer repellents that apply smoothly and don’t leave a greasy or sticky residue. This makes wearing them more comfortable, especially in hot weather. Some sprays dry quickly and are odorless, which is a big plus in my book.

Price and Availability

While I’m willing to invest in a quality repellent, I also look for options that fit my budget and are easy to find locally or online. Sometimes, buying in multi-packs or during sales can save money without sacrificing effectiveness.

Additional Features

Some repellents come with added benefits like moisturizing ingredients, sunscreen, or even insecticide properties. Depending on your needs, these extras can make a product more appealing. For me, a repellent with sunscreen is a bonus during sunny outings.

Final Thoughts

Choosing the best repellent for biting flies is about balancing effectiveness, safety, comfort, and convenience. By keeping these factors in mind and considering my personal experiences, I’ve found repellents that allow me to enjoy the outdoors without the constant annoyance of biting flies. Hopefully, this guide helps you do the same!

Author Profile

Glen Hardy
Glen Hardy
Glen Hardy is a seasoned expert in the fitness and apparel industry, renowned for his rich and diverse background marked by a commitment to excellence and innovation.

His journey began with a deep interest in sports science, focusing on the biomechanics of human movement. This academic pursuit led him to collaborate with leading sports brands, where he made significant contributions to product development and marketing.

Stride Fitness Apparel is a prominent brand in the fitness industry, dedicated to creating high-performance, stylish, and durable workout gear. Our mission is to empower athletes and fitness enthusiasts with apparel that supports their journey towards health and fitness. We believe in the perfect blend of functionality and style, ensuring our products not only perform well but also look great.

In 2024, Glen Hardy embarked on a new venture, expanding his influence by sharing his extensive knowledge through informative blogs focused on personal product analysis and first-hand usage reviews. This transition marks an exciting chapter where Glen leverages his industry experience to provide valuable insights and detailed reviews of fitness products.