Best Insect Repellent Options for Flies and More

When outdoor activities bring flies and other biting insects, choosing an effective repellent matters. This guide highlights top products that help keep flies at bay, with options ranging from DEET-heavy formulations to natural plant-based sprays. Each item below is chosen for efficacy, skin safety, and practical use in homes, yards, and on the go.

Summary of selected products:

  • Sawyer SP564 Premium Insect Repellent with 20% Picaridin, 4-Ounce
  • Sawyer SP543 Premium Insect Repellent with 20% Picaridin, 3-Ounce
  • Mighty Mint Peppermint Oil Insect Repellent Spray – 16 oz
  • GoneNaturally Peppermint Oil Spray for Bugs – 16 oz
  • Zevo Flying Insect Killer Spray – 3 Bottles

Sawyer SP564 Premium Insect Repellent (20% Picaridin)

Sawyer SP564 Insect Repellent

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The Sawyer SP564 uses 20% Picaridin to provide strong protection against a variety of biting insects, including flies, mosquitoes, and ticks. This non-greasy formula dries quickly and is fragrance-free, reducing the chance of skin irritation or staining on fabrics. It’s widely recognized for remaining effective for up to 12 hours against mosquitoes and ticks and up to 8 hours for flies, gnats, and chiggers.

Designed for safe use on skin and gear, SP564 is also suitable for clothing and items like backpacks and sunglasses. The product’s emphasis on odorless application helps it blend into daily activities without distracting scents, making it a practical choice for hiking, camping, and backyard gatherings. For households in fly-prone areas, this option balances efficacy with user comfort.

Repel 100 Insect Repellent (10-Hour Protection)

Repel 100 Insect Repellent

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Repel 100 features a high concentration of DEET to tackle severe insect conditions. It forms a barrier against mosquitoes, ticks, gnats, biting flies, chiggers, and fleas, providing protection for up to 10 hours. This product is designed for outdoor use where flies and other pests are especially persistent. While formulas with high DEET are effective, users should apply as directed and consider skin sensitivity and exposure duration, especially for children and prolonged outdoor activities.

This option is frequently chosen for environments with heavy insect activity or where extended outdoor time is planned. It’s important to reapply after swimming or sweating, and to avoid contact with eyes and mouth. For those prioritizing long-lasting protection against a broad spectrum of pests, Repel 100 offers a robust solution against flies and other biting insects.

ZEVO Flying Insect Killer Spray (2 Bottles)

ZEVO Flying Insect Killer Spray

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ZEVO Flying Insect Killer Spray targets flies, gnats, mosquitoes, and other indoor pests on contact, with a fast-acting formula that leaves minimal residue. Powered by essential oils like rosemary and cornmint, it provides a plant-based scent profile that many users find preferable to stronger chemical aerosols. While it’s a killer rather than a repellent, ZEVO can be effective for immediate relief in indoor spaces where flies are a nuisance.

Because it’s designed for indoor use, ZEVO’s approach is best suited for immediate problem-solving rather than ongoing outdoor protection. It works well in kitchens, living rooms, and entryways where effective on-contact control is desired, but should be used with caution around pets and in spaces with limited ventilation as directed by the label.

Mighty Mint Peppermint Oil Insect Repellent Spray

Mighty Mint Peppermint Oil Insect Repellent

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Made with concentrated peppermint oil, Mighty Mint provides a plant-based repellent option that’s suitable for indoor and outdoor use. The formula targets spiders, ants, roaches, and other common insects, and is marketed as pet-friendly when used as directed. It’s a popular choice for households seeking a natural approach without harsh chemical odors, offering a refreshing peppermint scent rather than a chemical odor.

While Mighty Mint is versatile for use on baseboards, entryways, patios, and living spaces, it’s important to reapply as needed and test surfaces for any potential staining. For families seeking a non-toxic alternative to conventional sprays, Mighty Mint provides a reliable option for reducing fly presence and other insects with a plant-based solution.

Zevo Flying Insect Killer Spray (3 Bottles)

Zevo Flying Insect Killer Spray Set

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This Zevo set offers three bottles for broader coverage and convenience. The product emphasizes fast contact kill with essential-oil–based actives, designed to minimize residues. It’s suitable for both indoor and outdoor use as directed, providing flexibility in managing flies and other flying insects around living spaces, patios, and entrances. As with other spray products, follow the label for safe use around children and pets.

For households that want a balanced approach—occasional on-contact control plus a plant-based formulation—Zevo’s triple-pack can be a practical fit, especially in spaces with recurring fly activity where immediate action is needed without heavy chemical odors.

Buying Guide: Key Considerations For Choosing A Fly-Repellent

  1. Active ingredient and protection profile: Consider picaridin, DEET, or plant-based oils. Picaridin often offers strong efficacy with a more neutral skin feel, while DEET provides long-lasting protection but can have stronger odors or skin sensitivity for some users. Plant-based options like peppermint oil offer scent-based repellence but may require more frequent reapplication.
  2. Target pests and environment: For flies specifically, check labels for repelling or killing performance against gnats, fruit flies, house flies, and biting flies. Indoor use products should be clearly labeled for indoor environments, while outdoor options provide higher flexibility for patios and backyards.
  3. Skin safety and surfaces: If applying to skin, consider fragrance-free or gentle formulations if you have sensitive skin. For gear like backpacks, sunglasses, or tents, seek products labeled safe for fabrics and plastics to avoid staining or damage.
  4. Duration of protection: Some products offer up to 8–12 hours of protection (particularly against mosquitoes and ticks), while others are designed for shorter durations or on-contact action. Plan reapplication based on activity level and exposure time.
  5. Form factor and convenience: Pump sprays, lotions, and natural sprays have different application experiences. For travelers or hikers, compact bottles or multi-pack options may be advantageous.
  6. Environmental and pet considerations: Natural or plant-based options can be preferable for homes with pets or children, but may require more frequent reapplication. Always follow label directions regarding pets and indoor use.
  7. Combination strategies: In high-infestation areas, using a combination of repellents for skin and a surface-targeted spray (like a fly trap or indoor killer) can provide comprehensive control without relying on a single method.