Best Biting Fly Sprays

Looking for the best biting fly sprays to keep you and your pets safe? We’ve tested and found the top 10 sprays, from natural to strong formulas, to help you explore without worry.

Biting flies can ruin outdoor fun. They buzz, bite, and spread germs. Finding the right spray keeps you and your pets safe.

Flies, mosquitoes, and ticks are no match for good protection. Sprays work fast and last long. You stay bug-free and enjoy life.

We tested top sprays for you. From natural to strong formulas, we found the best. Get ready to explore without worry!

List of Top 10 Biting Fly Sprays

Title	Best For	Price
Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises	Absorbine UltraShield EX is perfect for horse and dog owners who want strong, long-lasting protection against flies, mosquitoes, ticks, and more. It’s easy to use and works in tough weather, keeping your animals and premises bug-free.	View on Amazon (paid link)
Repel 100 Mosquito and Insect Repellent, 4 Ounces, With DEET, 10-Hour Protection Long-Lasting Insect Repellent Bug Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers And Fleas	Repel 100 Mosquito and Insect Repellent is perfect for outdoor lovers and families who enjoy adventures. It keeps bugs away for up to 10 hours, so you can explore without worry.	View on Amazon (paid link)
Farnam Repel-X Emulsifiable Fly Spray for Horses, Ready to Use, 32 Fl Oz	This fly spray is perfect for horse owners and dog lovers who want to protect their pets from flies, ticks, and mosquitoes. It’s also great for barns and homes to keep pests away.	View on Amazon (paid link)
Farnam Endure Fly Spray for Horses – Long-Lasting Sweat-Resistant Fly Repellent, Repels Flies, Mosquitoes, Gnats and Ticks, Up to 14 Days Fly Control – 32 oz Spray	This fly spray is perfect for horse owners who want long-lasting protection against flies, mosquitoes, gnats, and ticks. It’s ideal for horses in hot, humid, or sweaty conditions, whether they’re working, showing, or grazing.	View on Amazon (paid link)
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 is perfect for families who love outdoor adventures. It keeps mosquitoes, ticks, and other bugs away, so you can enjoy nature without worry.	View on Amazon (paid link)
OFF! Clean Feel Insect Repellent Aerosol with 20% Picaridin – Long-Lasting DEET-Free Protection from Mosquitoes, Fragrance-Free Pest Control For Ticks & Flies, Camping, Bug Spray – 5 oz	This bug spray is perfect for anyone who loves the outdoors. Whether you’re camping, hiking, or fishing, it keeps mosquitoes, ticks, and flies away for up to 8 hours. It’s DEET-free, fragrance-free, and won’t leave your skin sticky.	View on Amazon (paid link)
Absorbine UltraShield Green All-Natural Fly & Insect Repellent for Horses & Dogs, Essential Oils Repel & Control, 32oz Spray Bottle	This fly repellent is perfect for horse and dog owners who want safe, natural protection against bugs. It’s eco-friendly and smells fresh, making it great for daily use.	View on Amazon (paid link)
Farnam Endure Gold Killer Fly Spray for Horses, Powered by Acetamiprid & Etofenprox, Kills Biting Flies Fast and Protects Up to 14 Days, 32 oz	Farnam Endure Gold Killer Fly Spray is perfect for horse owners who want fast, long-lasting protection against flies, mosquitoes, and ticks. It’s ideal for keeping horses comfortable during outdoor activities like turnout or riding.	View on Amazon (paid link)
Stem Kills Flies, Mosquitoes And Gnats: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide For Indoor And Outdoor Use; 10 fl oz (Pack Of 1)	This bug spray is perfect for anyone who wants to keep their home and outdoor spaces bug-free. It’s safe for people and pets and works fast to kill flies, mosquitoes, and gnats.	View on Amazon (paid link)
Farnam Repel-X pe Concentrated Fly Spray for Horses, Just Add Water 16 Ounces	This fly spray is perfect for horse owners and dog lovers who want to protect their pets from flies, ticks, and mosquitoes. It’s also great for barns and outdoor areas to keep pests away.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 biting fly sprays handpicked for maximum protection and value. Each product is expert-reviewed and customer-approved, ensuring you find the perfect match for your needs. Whether you’re outdoors or at home, these sprays keep bugs at bay effectively. Read on to find the best solution for a bug-free life!

1. Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

Absorbine UltraShield EX is a powerful insecticide that kills and repels over 70 types of bugs. It works on flies, mosquitoes, ticks, and more. Use it on horses, dogs, or around your home.

This USA-made formula is weatherproof, lasting up to 17 days. It’s ready to use and includes sun protection for your animals’ coats. Award-winning and trusted by many.

Pros	Cons
Kills & repels 70+ bugs, keeping pets and premises safe. Lasts up to 17 days, even in tough weather conditions. Ready to use, no mixing needed—just spray and go. Protects from bugs & sun, with added coat conditioners. Award-winning formula, trusted by horse lovers for years.	Not for cats or other pets, only horses, dogs, and premises. Strong scent may be unpleasant for some users or animals. Pricey compared to other insecticides on the market.

Perfect For:

Absorbine UltraShield EX is perfect for horse and dog owners who want strong, long-lasting protection against flies, mosquitoes, ticks, and more. It’s easy to use and works in tough weather, keeping your animals and premises bug-free.

Ready to Purchase?

View Price on Amazon (paid link)

2. Repel 100 Mosquito and Insect Repellent, 4 Ounces, With DEET, 10-Hour Protection Long-Lasting Insect Repellent Bug Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers And Fleas

Repel 100 Mosquito and Insect Repellent, 4 Ounces, With DEET, 10-Hour Protection Long-Lasting Insect Repellent Bug Spray Repels Mosquitoes, Ticks, Gnats, Biting Flies, Chiggers And Fleas

Repel 100 keeps mosquitoes away for up to 10 hours. It’s strong, with 98.11% DEET, for severe bug areas. The pump spray is easy to use and perfect for travel.

It also repels ticks, gnats, flies, chiggers, and fleas. This means fewer bites and more outdoor fun. Your family can explore without worry.

The compact size fits in any adventure gear. It’s long-lasting and reliable. Stay bug-free wherever you go.

Pros	Cons
Repels mosquitoes and prevents Zika, West Nile, Dengue, Chikungunya. 10-hour protection for long-lasting outdoor fun without reapplying. Blocks ticks, gnats, flies, chiggers, fleas for complete bug defense. Compact pump spray fits easily in any adventure gear.	High DEET content may irritate sensitive skin. Strong smell could be unpleasant for some users. Not eco-friendly due to chemical formula.

Perfect For:

Repel 100 Mosquito and Insect Repellent is perfect for outdoor lovers and families who enjoy adventures. It keeps bugs away for up to 10 hours, so you can explore without worry.

Ready to Purchase?

View Price on Amazon (paid link)

3. Farnam Repel-X Emulsifiable Fly Spray for Horses, Ready to Use, 32 Fl Oz

Farnam Repel-X is a ready-to-use fly spray for horses and dogs. It protects against flies, mosquitoes, ticks, and lice. Just spray and go—no mixing needed.

This economical spray works in barns, pastures, and homes. It’s safe for horses and dogs, keeping them bug-free easily.

Pros	Cons
Protects horses, dogs, and livestock from flies, ticks, and mosquitoes. Ready-to-use spray, no mixing needed—just spray and go. Safe for horses and dogs, prevents fleas and ticks. Economical refill option with concentrated formula.	Not for cats, only horses, dogs, and livestock. Contains chemicals, avoid direct skin contact and inhalation. May need frequent reapplication for long-lasting protection.

Perfect For:

This fly spray is perfect for horse owners and dog lovers who want to protect their pets from flies, ticks, and mosquitoes. It’s also great for barns and homes to keep pests away.

Ready to Purchase?

View Price on Amazon (paid link)

4. Farnam Endure Fly Spray for Horses – Long-Lasting Sweat-Resistant Fly Repellent, Repels Flies, Mosquitoes, Gnats and Ticks, Up to 14 Days Fly Control – 32 oz Spray

Farnam Endure Fly Spray for Horses - Long-Lasting Sweat-Resistant Fly Repellent, Repels Flies, Mosquitoes, Gnats and Ticks, Up to 14 Days Fly Control - 32 oz Spray

Farnam Endure Fly Spray keeps horses protected from flies, mosquitoes, gnats, and ticks. It works up to 14 days, even in hot, humid weather. The sweat-resistant formula stays strong during work or play.

Apply it easily as a spray or wipe-on. It covers sensitive areas like the face and legs for full-body protection.

Pros	Cons
Kills and repels flies, ticks, and mosquitoes fast. Stays strong in heat, sweat, and rain. Lasts up to 14 days—no daily sprays needed. Easy to apply—spray or wipe on for full coverage. Safe for all horses—pasture, show, or work.	Strong smell may bother some horses and people. Not safe for use on other pets or animals. May need extra care to avoid eye and skin irritation.

Perfect For:

This fly spray is perfect for horse owners who want long-lasting protection against flies, mosquitoes, gnats, and ticks. It’s ideal for horses in hot, humid, or sweaty conditions, whether they’re working, showing, or grazing.

Ready to Purchase?

View Price on Amazon (paid link)

5. 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

Repel Insect Repellent Sportsmen Max Formula keeps bugs away during outdoor fun. It has 40% DEET for long-lasting protection.

Great for active families, this spray works against mosquitoes, ticks, and more. It’s easy to pack with your gear.

Aerosol spray, repels bugs, protects outdoors.

Pros	Cons
40% DEET keeps bugs away for hours. Protects against ticks, fleas, and more. Easy aerosol spray for quick use. Perfect for family outdoor fun.	Strong chemical smell may bother some users. Not eco-friendly due to aerosol packaging. High DEET content may irritate sensitive skin.

Perfect For:

Repel Insect Repellent Sportsmen Max Formula is perfect for families who love outdoor adventures. It keeps mosquitoes, ticks, and other bugs away, so you can enjoy nature without worry.

Ready to Purchase?

View Price on Amazon (paid link)

6. OFF! Clean Feel Insect Repellent Aerosol with 20% Picaridin – Long-Lasting DEET-Free Protection from Mosquitoes, Fragrance-Free Pest Control For Ticks & Flies, Camping, Bug Spray – 5 oz

OFF! Clean Feel Insect Repellent Aerosol with 20% Picaridin - Long-Lasting DEET-Free Protection from Mosquitoes, Fragrance-Free Pest Control For Ticks & Flies, Camping, Bug Spray - 5 oz

OFF! Clean Feel Insect Repellent keeps bugs away without any strong smells. It’s DEET-free and won’t leave your skin sticky. Enjoy the outdoors with long-lasting protection.

This spray works for up to 8 hours and is great for camping, hiking, or fishing. It’s easy to use and dries fast, so you can get back to your adventure quickly.

The 20% picaridin formula is tough on mosquitoes, ticks, and flies. It’s safe for clothes and won’t leave stains. Stay bug-free and focus on having fun outside!

Pros	Cons
Fragrance-free, non-sticky, and won’t stain your clothes. Up to 8 hours of long-lasting bug protection. DEET-free, quick-drying, and no oily residue. Easy aerosol application for hassle-free outdoor fun.	Not for indoor use, only for outdoor adventures. Aerosol format may not suit those preferring non-spray options. Picaridin formula is less known than DEET-based repellents.

Perfect For:

This bug spray is perfect for anyone who loves the outdoors. Whether you’re camping, hiking, or fishing, it keeps mosquitoes, ticks, and flies away for up to 8 hours. It’s DEET-free, fragrance-free, and won’t leave your skin sticky.

Ready to Purchase?

View Price on Amazon (paid link)

7. Absorbine UltraShield Green All-Natural Fly & Insect Repellent for Horses & Dogs, Essential Oils Repel & Control, 32oz Spray Bottle

Absorbine UltraShield Green is a natural insect repellent for horses and dogs. It keeps bugs away while being safe for the environment.

This spray repels and controls biting flies, mosquitoes, ticks, and gnats. It’s made with 7 essential oils, leaving a fresh botanical scent. Use it daily for safe, ongoing protection.

The water-based formula is gentle for everyday use. It’s made in the USA and eco-safe for the whole family. Protect your pets with nature’s power.

Pros	Cons
Eco-safe bug protection, safe for family and pets. Repels flies, mosquitoes, ticks, and gnats effectively. Fresh botanical scent from 7 essential oils. Daily use safe for horses, ponies, and dogs. Made in the USA with quality assurance.	Not for cats, only horses, ponies, and dogs. Daily use may need more frequent reapplication. Strong scent from essential oils might not suit all pets.

Perfect For:

This fly repellent is perfect for horse and dog owners who want safe, natural protection against bugs. It’s eco-friendly and smells fresh, making it great for daily use.

Ready to Purchase?

View Price on Amazon (paid link)

8. Farnam Endure Gold Killer Fly Spray for Horses, Powered by Acetamiprid & Etofenprox, Kills Biting Flies Fast and Protects Up to 14 Days, 32 oz

Farnam Endure Gold Killer Fly Spray is a powerful solution for protecting horses from flies and mosquitoes. It uses EPA-approved ingredients for fast and long-lasting defense.

This spray kills and repels many pests, including flies, mosquitoes, and ticks. It works quickly and lasts up to 14 days.

With six active ingredients, it’s stronger than ordinary sprays. It’s field-tested and stays effective even in heat and sweat.

Pros	Cons
Kills flies fast with EPA-approved ingredients for quick relief. Protects up to 14 days, saving time and effort between sprays. Repels mosquitoes and ticks, keeping horses safe from Lyme disease. Works in heat and sweat, ensuring long-lasting protection during turnout.	Strong chemicals may cause skin irritation in sensitive horses. Higher price compared to basic fly sprays. Frequent reapplication needed for maximum protection.

Perfect For:

Farnam Endure Gold Killer Fly Spray is perfect for horse owners who want fast, long-lasting protection against flies, mosquitoes, and ticks. It’s ideal for keeping horses comfortable during outdoor activities like turnout or riding.

Ready to Purchase?

View Price on Amazon (paid link)

9. Stem Kills Flies, Mosquitoes And Gnats: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide For Indoor And Outdoor Use; 10 fl oz (Pack Of 1)

Stem Kills Flies, Mosquitoes And Gnats: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide For Indoor And Outdoor Use; 10 fl oz (Pack Of 1)

Stem is a powerful bug spray that kills flies, mosquitoes, and gnats fast. It works both inside and outside your home.

Made with plant-based ingredients, it’s safe for people and pets when used as directed. No harsh chemicals or strong odors, just a fresh, natural scent.

Quick, effective, and nature-friendly. Protects your space from bugs. Easy to use anywhere.

Pros	Cons
Kills flies, mosquitoes, and gnats fast. Safe for people and pets when used as directed. Fresh scent, no harsh chemicals or dyes. Works indoors and outdoors for bug-free spaces.	Not for large infestations, may need repeated use. Smaller size, runs out faster with frequent use. Limited to specific bugs, doesn’t kill all pests.

Perfect For:

This bug spray is perfect for anyone who wants to keep their home and outdoor spaces bug-free. It’s safe for people and pets and works fast to kill flies, mosquitoes, and gnats.

Ready to Purchase?

View Price on Amazon (paid link)

10. Farnam Repel-X pe Concentrated Fly Spray for Horses, Just Add Water 16 Ounces

Farnam Repel-X pe is a concentrated fly spray for horses and dogs. Just mix it with water to protect against flies, ticks, mosquitoes, and lice.

It’s safe for horses and dogs, works in barns, pastures, and homes, and one bottle makes 4 quarts of spray.

Pros	Cons
Protects horses and dogs from flies, ticks, and mosquitoes. Mix with water for 4 quarts of ready-to-use spray. Safe for horses, dogs, and livestock in barns and pastures. Broad-spectrum control for flies, gnats, and lice. Economical and long-lasting fly protection for all environments.	Not for cats, only horses, dogs, and livestock. Requires mixing, not ready-to-use straight from the bottle. Permethrin may irritate sensitive skin in some animals.

Perfect For:

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Biting flies can ruin outdoor fun. Finding the right spray keeps you and your pets safe. Enjoy life bug-free with the best protection.

Engaging Experience:
Imagine hiking without worrying about bites or camping with your dog, both safe from pests. The right spray lets you focus on fun, not bugs.

Factors to Consider When Buying:
– Protection Type: Choose kills and repels for full control or repels only for lighter use.
– Active Ingredients: DEET is strong, picaridin is DEET-free, and natural oils are eco-friendly.
– Duration: Sprays last 8 to 17 days, pick based on your needs.
– Use Area: Some sprays work for horses, dogs, or homes, others are for people.
– Application: Spray bottles, aerosols, or concentrates—pick what’s easy for you.
– Safety: Check if it’s safe for pets, kids, or sensitive skin.
– Weather Resistance: Sweat-resistant or weatherproof sprays work better outdoors.
– Scent: Fragrance-free or natural scents suit different preferences.
– Size: Compact for travel or large bottles for home use.