Best Indoor Gnat Killer

Peter | 02-01-2026

With so many Best Indoor Gnat Killer brands on the market – from big names like Terro,ZEVO,Safer to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.

We carefully researched and tested a vast range of Best Indoor Gnat Killer to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.

Our #1 best Best Indoor Gnat Killer is Terro Best Indoor Gnat Killer, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best Indoor Gnat Killer options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best Indoor Gnat Killer tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!

Editor's Choice
Fly Traps Indoor,Fruit Fly Trap for Indoors Mosquito Trap Indoor Insect Trap with Suction, Time
Fly Traps Indoor,Fruit Fly Trap for Indoors Mosquito Trap Indoor Insect Trap with Suction, Time
Premium Pick
Safer Home Indoor Plug-In Fly Trap - SH502 - Effective Fruit Fly Traps for Indoors, Gnat Traps for
Safer Home Indoor Plug-In Fly Trap - SH502 - Effective Fruit Fly Traps for Indoors, Gnat Traps for
Budget Pick
Safer Home Indoor Plug-in Fly Trap - SH502-2SR - Effective Fruit Fly Traps for Indoors, Gnat Traps
Safer Home Indoor Plug-in Fly Trap - SH502-2SR - Effective Fruit Fly Traps for Indoors, Gnat Traps

Top 10 Best Indoor Gnat Killer

We researched and compared the top products in the Best Indoor Gnat Killer category to provide you with these recommendations.

1. TERRO Fruit Fly Traps for Indoors (4 Pack) + 180 Days of Lure Supply - T2503SR - Lure and Kill

  • FAST-ACTING ELIMINATION: Notice a dramatic decrease in fruit flies within a few days with these indoor fly traps for your home, containing a fast-acting anti fruit fly trap lure
  • LONG-LASTING PROTECTION: Each ready-to-use, non-staining TERRO fruit fly lure offers up to 45 days of effective trapping, making it a great indoor fruit fly killer. Comes with 180 days worth of lure supply
  • DISCREET AND ATTRACTIVE DESIGN: The apple-shaped anti fruit fly trap design of this indoor fly trap blends in with the fruits these pests love, keeping unsightly fruit fly populations down without attracting attention
  • EASY MONITORING: This fruit fly catcher features built-in windows to allow for at-a-glance monitoring of the lure levels and catches
  • TARGET BREEDING AREAS: These indoor fruit fly traps are most effective when placed near fruit bowls, trash cans, and counters to control fruit fly breeding locations

2. Zevo 2 Flying Insect Traps & 2 Refill Cartridges - Plug in Fly Trap & Indoor Bug Catcher for Gnats,

  • Catch Flying Insects 24/7 - This flying insect trap uses blue and UV light to attract and catch house flies, fruit flies and gnats. Its continuous attraction helps it catch insects day and night.
  • Mess-Free Disposal - This indoor fly trap and gnat catcher uses a powerful adhesive backing you will never have to touch. The adhesive pad can discreetly catch bugs, and discreetly faces the wall.
  • Easy-to-Use - To use, remove the sheet from its adhesive backing, insert the disposable cartridge and plug the indoor bug trap into locations where bugs frequent. When full, lift the cartridge out of the insect catcher, and toss it in the garbage.
  • Versatile Placement - You can place this plug in bug trap in your kitchen, bathroom, garage, bedroom, dining room, enclosed patio or in any socket near plants. These insect traps can be used indoors for easy, year-round protection.
  • Includes 2 Plug-In Devices and 2 Cartridges - Each of these plug in fly traps come with one cartridge. Shop our full collection to stock up on refills to ensure you always have one on hand.

3. Safer Home Indoor Plug-in Fly Trap - SH502-2SR - Effective Fruit Fly Traps for Indoors, Gnat Traps

  • IMMEDIATE INSECT CONTROL: The plug in fly trap indoor starts working quickly to attract and trap flies, moths, and gnats, serving as a fantastic insect killer indoors when you plug it in
  • CHILD AND PET SAFE: This indoor fly trap for home does not utilize chemical insecticides, making a fruit fly killer that's ideal for homes with children and pets. Winner of the Parent Tested Parent Approved Seal of Approval
  • CONTINUOUS 24/7 PROTECTION: This insect traps indoor option features UV LED light to naturally draw bugs, serving as an effective gnat killer indoor and house fly trap indoor all day and night
  • DISCREET AND ADAPTABLE DESIGN: With its flying insect trap indoor plug in design, this trap fits seamlessly and rotates to adapt to any plug, serving as gnat traps for indoors
  • LARGE COVERAGE AREA: Offering protection over 800 sq ft
  • OFFICIAL REFILLS AVAILABLE: Refill with official Safer Home StickyTech glue cards

4. Zevo Flying Insect Trap & Cartridge - Plug in Fly Trap & Indoor Bug Catcher for Gnats, House & Fruit

  • Catch Flying Insects 24/7 - This flying insect trap uses blue and UV light to attract and catch house flies, fruit flies and gnats. Its continuous attraction helps it catch insects day and night.
  • Mess-Free Disposal - This indoor fly trap and gnat catcher uses a powerful adhesive backing you will never have to touch. The adhesive pad can discreetly catch bugs, and discreetly faces the wall.
  • Easy-to-Use - To use, remove the sheet from its adhesive backing, insert the disposable cartridge and plug the indoor bug trap into locations where bugs frequent. When full, lift the cartridge out of the insect catcher, and toss it in the garbage.
  • Versatile Placement - You can place this plug in bug trap in your kitchen, bathroom, garage, bedroom, dining room, enclosed patio or in any socket near plants. These insect traps can be used indoors for easy, year-round protection.
  • Includes 1 Plug-In Device and 1 Cartridge - This plug in fly trap comes with one cartridge. Shop our full collection to stock up on refills to ensure you always have one on hand, or bring home a Value Pack with multiple devices so you can keep a fly catcher in every room.

5. Zevo Flying Insect Killer Spray - Bug Spray for Home Use - Versatile Gnat, Mosquito, Fruit Fly

  • Use on Flies, Gnats, Mosquitos and More - Zevo Flying Insect Spray is a versatile insect killer that can be used for targeted pest control. Spray it as a gnat or fruit fly killer, or to kill mosquitos or house flies on contact.
  • Fast Acting Formula - This solution is the perfect bug spray for home use. Zevo uses a smart formula to kill on contact and no messy residue left behind.
  • Powered by Essential Oils - Zevo insect repellent uses bug-deadly essential oils to deliver a powerful fruit fly spray and more. Infused with plant-based rosemary and cornmint oils, this formula is safe for use around people and pets when used as directed.
  • For Indoor and Outdoor Spaces - Use Zevo as an indoor insect killer or outdoor multi-insect and ant spray. It can be sprayed in your kitchen, living room, patio and more, but avoid using on surfaces where food is prepared or stored.
  • Shop Every Formula - Our Multi-Insect Spray, Flying Insect Spray, and Crawling Insect Killer are all designed to help users kill bugs on contact. Simply spray to kill, then wipe to clean up anything left behind.

6. Safer Home Indoor Plug-In Fly Trap - SH502 - Effective Fruit Fly Traps for Indoors, Gnat Traps for

  • IMMEDIATE INSECT CONTROL: The plug in fly trap indoor starts working quickly to attract and trap flies, moths, and gnats, serving as a fantastic insect killer indoors
  • PEOPLE AND PET FRIENDLY: This indoor fly trap for home containes no chemical insecticides, making a fruit fly killer that's ideal for homes with children and pets. It's also a winner of the Parent Tested Parent Approved Seal of Approval
  • CONTINUOUS 24/7 PROTECTION: This flying insect trap indoor plug in features UV LED light to naturally attract bugs, serving as an effective gnat killer indoor and house fly trap indoor all day and night
  • DISCREET AND ADAPTABLE DESIGN: When using insect traps indoors, design is important. This trap fits seamlessly with any decor and rotates to adapt to any plug, making it a great option for gnat traps for indoors
  • EASY TO USE: This bug killer indoor is easy to use and reusable, making it a great option for fly traps indoors. Simply insert a glue card into the trap and plug it into a standard outlet in any room where youve seen flying insects

7. Terro Fruit Fly Traps for Indoors (6 Pack) + 270 Days of Lure Supply

  • FAST-ACTING ELIMINATION: Notice a dramatic decrease in fruit flies within a few days with these indoor fly traps for your home, made with a fast-acting anti fruit fly trap lure inside
  • LONG-LASTING PROTECTION: Each ready-to-use, non-staining Terro fruit fly lure offers up to 45 days of effective trapping, making it a great indoor fruit fly killer. Comes with 270 days worth of lure supply
  • DISCREET AND ATTRACTIVE DESIGN: The apple-shaped anti fruit fly trap design of this indoor fly trap blends in with the fruits these pests love, keeping unsightly fruit fly populations down
  • EASY MONITORING: Built-in windows in this fruit fly catcher allow for simple monitoring of the lure levels and catches of these fly traps.
  • TARGET BREEDING AREAS: These indoor fruit fly catchers are most effective when placed near fruit bowls, trash cans, and counters to control fruit fly breeding locations

8. LFSYS Fruit Fly Traps for Indoors (1 Device+10 Refills) Plug in Fly Trap for Gnats, Fruit Flies,

  • Upgrade Fruit Fly Traps: LFSYS plug-in fly trap now feature 10 high-quality lamp bulbs with dual wavelengths of 365nm and 395nm. This advanced lighting technology allows the capture rate of various flying insects, including fungus gnats, fruit flies, and moths.
  • Double-Sided Transparent Adhesive Boards: Our boards are designed with a dual-sided adhesive and complete transparency, providing extensive coverage compared to traditional traps.
  • Easy installation: Simply remove the protective film from the adhesive board, insert it into the device, and plug it into a socket. Then you could sit and wait for its magic. For optimal results, we recommend using the fruit fly trap in a dark room without other light sources to capture more flying insects effectively.
  • Low Maintenance: Our UV Light Fly Trap is easy to install and requires minimal upkeep. Check the trap once a day, and when it catches insects, effortlessly replace the sticky card with a new one. Enjoy effective fruit fly trapping with minimal effort.
  • Quiet and Odor-Free Operation: The LFSYS Cube UV light fly trap employs adhesive boards to silently trap flying insects without any odors. Unlike conventional zappers, it operates safely and without noise, providing long-lasting protection. Enjoy a restful sleep without the disturbance of mosquito buzzes.

9. Fly Traps Indoor,Fruit Fly Trap for Indoors Mosquito Trap Indoor Insect Trap with Suction, Time

  • POWERFUL INDOOR PEST CONTROL: Effectively traps flies, fruit flies, gnats, and other flying insects to keep your home pest-free. The mosquitp trap indoor comes with sticky glue boards so insects have now here to go.
  • TIME SETTING OPTIONS: Plug in the usb cable and adapter, press the bug traps indoor on/off button to work. Continuous operation or 6/12 hour timer function for easy daily use.
  • VERSATILE AND LOW NOISE: The indoor fruit fly trap adopts physical mosquito control, safe and low noise. Mosquito traps are commonly used in homes, kitchens, living rooms, dining rooms and other places where flies are a nuisance or a health hazard.
  • BEAUTIFUL AND STYLISH: The indoor mosquito trap takes up little space and can blend perfectly with home decor. The low-profile and stylish design ensures that these traps work efficiently without detracting from the aesthetics of the interior space.
  • EASY TO CLEAN: Indoor insect traps come with 10 adhesive glue boards. Simply open the bottom tray, remove the used adhesive sheets and replace them with new ones. Non-toxic and odorless solution thats safe to use around kids, pets, and food areas.

10. BioAdvanced Houseplant Insect & Mite Control, Ready-to-Use Fungul Disease & Fungus Gnats Killer, 24

BioAdvanced Houseplant Insect & Mite Control, Ready-to-Use Fungul Disease & Fungus Gnats Killer, 24
9.1

Bioadvanced

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  • KILLS BY CONTACT: Fungus gnat killer for listed insects, such as Aphids, Whiteflies, Lace Bugs and more
  • USE INDOORS & OUTDOORS: Use the gnat spray to protect houseplants indoors and outdoors. It is also may be used on flowers and herbs
  • KILLS MITES: Effective mite killer, including Spider Mites. Thoroughly spray all areas of the plant, especially new shoots and underside of leaves. Pests need to be contacted by the spray to be controlled
  • CONTROLS DISEASES: Protects your houseplants with this indoor plant spray from a wide range of listed diseases such as Powdery Mildew, Leaf Spot, Rust and more

Peter

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