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5 Best Flea Drops of 2026

Last Updated - 04/03/2026

1
Best Choice
33% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

FRONTLINE
33% Off

FRONTLINE Plus Flea & Tick Treatment for Cats and Ferrets - 6 Pipettes

FRONTLINE

£28.99

£42.99
(33% Off)

More Details
Main highlights
- TRIED AND TRUSTED - FRONTLINE's advanced vet-strength formula is highly efficacious and yet has an exemplary safety profile. It can be used on cats and kittens weighing at least 1 kg, from 8 weeks of age
- TREAT 4-WEEKLY - It’s important to treat your pets year-round to prevent flea and tick infestations. One 6-pack provides your cat with 6 months of protection
- KILLS FLEAS & TICKS – Fleas are killed within 24 hours and ticks within 48 hours, helping to protect cats from the discomfort and diseases these parasites cause
- KILLS FLEA EGGS - Unlike most flea treatments, FRONTLINE Plus not only kills fleas but also stops their eggs from hatching and infesting the home
- EASY APPLICATION - Simply empty one pipette onto your cat's skin at the base of the neck and it will quickly spread over their coat - it's as easy as that
£28.99
£42.99 (33% Off)
2
Best Value
39% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

FRONTLINE
39% Off

FRONTLINE Plus Flea & Tick Treatment for Cats and Ferrets - 6 Pipettes

FRONTLINE

£26.09

£42.99
(39% Off)

More Details
Main highlights
- TRIED AND TRUSTED - FRONTLINE's advanced vet-strength formula is highly efficacious and yet has an exemplary safety profile. It can be used on cats and kittens weighing at least 1 kg, from 8 weeks of age
- TREAT 4-WEEKLY - It’s important to treat your pets year-round to prevent flea and tick infestations. One 6-pack provides your cat with 6 months of protection
- KILLS FLEAS & TICKS – Fleas are killed within 24 hours and ticks within 48 hours, helping to protect cats from the discomfort and diseases these parasites cause
- KILLS FLEA EGGS - Unlike most flea treatments, FRONTLINE Plus not only kills fleas but also stops their eggs from hatching and infesting the home
- EASY APPLICATION - Simply empty one pipette onto your cat's skin at the base of the neck and it will quickly spread over their coat - it's as easy as that
£26.09
£42.99 (39% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Advantage

Advantage Spot On Flea Treatment For Large Cats and Rabbits Over 4kg (4 pipettes, 80mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats

Advantage

£15.79

More Details
Main highlights
- PROTECT YOUR PET, PROTECT YOUR HOME: If your pet has fleas, your home has fleas. Advantage is clinically proven to kill fleas, giving you peace of mind. With Advantage Flea Treatment, fleas are dead, not fed.
- PREVENT REINFESTATION: For every adult flea that you see, there are many more eggs, larvae and pupae hidden away in carpets, upholstery and bedding. Apply spot on treatment every four weeks to prevent further infestations in cats.
- FAST-ACTING FLEA PROTECTION: If you suspect your pet might be suffering with fleas, take action. Advantage kills fleas within 24 hours of application, meaning your pet can get back to living a full and happy life.
- FAST & SIMPLE TO APPLY: Protect your pets from fleas with our easy to apply pipette formulation. Apply one pipette of Advantage Spot On to the skin at the back of the neck at the base of the skull for cats and rabbits.
- ADVANTAGE FLEA TREATMENT: Use Spot On Flea Treatment to keep your pets protected from fleas. Advantage spreads quickly across your pet’s skin and coat and is not absorbed into the bloodstream, meaning those pesky parasites do not have to bite to die 1.
£15.79
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Advantage

Advantage Spot On Flea Treatment For Large Cats and Rabbits Over 4kg (4 pipettes, 80mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats

Advantage

£15.79

More Details
Main highlights
- PROTECT YOUR PET, PROTECT YOUR HOME: If your pet has fleas, your home has fleas. Advantage is clinically proven to kill fleas, giving you peace of mind. With Advantage Flea Treatment, fleas are dead, not fed.
- PREVENT REINFESTATION: For every adult flea that you see, there are many more eggs, larvae and pupae hidden away in carpets, upholstery and bedding. Apply spot on treatment every four weeks to prevent further infestations in cats.
- FAST-ACTING FLEA PROTECTION: If you suspect your pet might be suffering with fleas, take action. Advantage kills fleas within 24 hours of application, meaning your pet can get back to living a full and happy life.
- FAST & SIMPLE TO APPLY: Protect your pets from fleas with our easy to apply pipette formulation. Apply one pipette of Advantage Spot On to the skin at the back of the neck at the base of the skull for cats and rabbits.
- ADVANTAGE FLEA TREATMENT: Use Spot On Flea Treatment to keep your pets protected from fleas. Advantage spreads quickly across your pet’s skin and coat and is not absorbed into the bloodstream, meaning those pesky parasites do not have to bite to die 1.
£15.79
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Advantage

Advantage Spot On Flea Treatment For Cats, Dogs and Rabbits Under 4kg (4 pipettes, 40mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats and Dogs

Advantage

£15.79

More Details
Main highlights
- PREVENT REINFESTATION: For every adult flea that you see, there are many more eggs, larvae and pupae hidden away in carpets, upholstery and bedding. Apply spot on treatment every four weeks to prevent further infestations in cats and dogs.
- FAST-ACTING FLEA PROTECTION: If you suspect your pet might be suffering with fleas, take action. Advantage kills fleas within 24 hours of application, meaning your pet can get back to living a full and happy life.
- FAST & SIMPLE TO APPLY: Protect your pets from fleas with our easy to apply formulation. Apply one pipette of Advantage Spot On to the skin at the back of the neck at the base of the skull for cats and rabbits, and between the shoulder blades for dogs.
- ADVANTAGE FLEA TREATMENT: Use Spot On Flea Treatment to keep your pets protected from fleas. Advantage spreads quickly across your pet’s skin and coat and is not absorbed into the bloodstream, meaning those pesky parasites do not have to bite to die 1.
- "PROTECT YOUR PET, PROTECT YOUR HOME: If your pet has fleas, your home has fleas. Advantage is clinically proven to kill fleas, giving you peace of mind. With Advantage Flea Treatment, fleas are dead, not fed."
£15.79

5 Best Flea Drops of 2026

FRONTLINE Plus Flea & Tick Treatment for Cats and Ferrets - 6 Pipettes

FRONTLINE Plus Flea & Tick Treatment for Cats and Ferrets - 6 Pipettes

Advantage Spot On Flea Treatment For Large Cats and Rabbits Over 4kg (4 pipettes, 80mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats

Advantage Spot On Flea Treatment For Large Cats and Rabbits Over 4kg (4 pipettes, 80mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats

Advantage Spot On Flea Treatment For Cats, Dogs and Rabbits Under 4kg (4 pipettes, 40mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats and Dogs

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Advantage Spot On Flea Treatment For Cats, Dogs and Rabbits Under 4kg (4 pipettes, 40mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats and Dogs

FRONTLINE Plus Flea & Tick Treatment for Cats and Ferrets - 3 Pipettes

FRONTLINE Plus Flea & Tick Treatment for Cats and Ferrets - 3 Pipettes

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Bob Martin Clear Spot On Flea and Tick Repellent for Cats and Kittens - Pesticide-Free Protection (6 Pipettes)

Bob Martin Clear Spot On Flea and Tick Repellent for Cats and Kittens - Pesticide-Free Protection (6 Pipettes)

Beaphar - FIPROtec Spot-On Flea & Tick Treatment for Cats - 4 Pipettes - Kills Fleas & Ticks - Veterinary Medicine - Easy to Apply Monthly - For Cats & Kittens from 8 Weeks Old, Weighing Over 1kg

Beaphar - FIPROtec Spot-On Flea & Tick Treatment for Cats - 4 Pipettes - Kills Fleas & Ticks - Veterinary Medicine - Easy to Apply Monthly - For Cats & Kittens from 8 Weeks Old, Weighing Over 1kg

Bob Martin Clear Spot On Flea Treatment for Small Dogs (2-10kg) - Kills Fleas & Ticks (3 Pipettes)

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