10 Best Flea Treatment in The UK

Last updated on 08/06/2025

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Best Choice

9.7

Exceptional

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FRONTLINE

FRONTLINE Plus Flea & Tick Treatment for Medium Dogs (10-20 kg) - 6 Pipettes

34% Off

Why We Love It

Quickly kills fleas and ticks.
Stops flea eggs from hatching.
Simple and easy application.

Main Highlights

KILLS FLEAS & TICKS – Fleas are killed within 24 hours and ticks within 48 hours, helping to protect dogs 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
TRIED AND TRUSTED - FRONTLINE's advanced vet-strength formula is highly efficacious and yet has an exemplary safety profile.
EASY APPLICATION - Simply empty one pipette onto your dog's skin at the base of the neck and it will quickly spread over their coat - it's as easy as that
TREAT 4-WEEKLY - It’s important to treat your pets year-round to prevent flea and tick infestations. One 6-pack provides your dog with 6 months of protection

Capstar Flea Tablets for Dogs and Cats from 1kg to 11kg, Oral Medication for Flea Treatment in Small Dogs and Cats, Contains 6x 11.4mg Nitenpyram Flea Tablet

Free Shipping

Why We Love It

Quick flea elimination guaranteed.
Starts working in 30 minutes.
Easy to administer tablets.

Main Highlights

Effective flea treatment: The fast-acting formula ensures quick elimination of fleas, with Capstar small dog and cat flea treatment you can literally see the dead fleas falling off your pet
Fast-acting: Capstar for cats and small dogs starts to kill fleas after 30 minutes and eliminates 95% to 100% of adult fleas within just 6 hours
For cats and small dogs: These fast-acting flea tablets feature an 11.4mg Nitenpyram formula which is suitable for cats and small dogs weighing from 1kg up to 11kg
Fuss-free: These cat and small dog flea treatment tablets are easy to administer and can be given with or without food. Use one tablet per day until fleas are no longer seen
Fights initial infestations: Capstar is ideal to use as a first line of attack against flea infestations due to its quick speed of kill, ensuring immediate and effective flea control

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

49% OffFree Shipping

Why We Love It

Kills fleas and ticks efficiently.
Stops flea eggs from hatching.
Simple and quick application.

Main Highlights

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
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

FRONTLINE Spot On Flea & Tick Treatment for Large Dog (20-40kg) 3 Pipettes

28% OffFree Shipping

Why We Love It

Kills fleas in 24 hours.
Kills ticks within 48 hours.
Easy monthly application.

Main Highlights

KILLS FLEAS - Fleas jumping onto your treated dog are killed within 24 hours, preventing infestations from building up
KILLS TICKS - Ticks latching onto your treated dog are killed within 48 hours, helping to reduce the risk of disease transmission
TRIED AND TRUSTED - FRONTLINE's original vet-strength formula has an exemplary safety profile
EASY APPLICATION - Simply empty one pipette onto your dog's skin at the back of the neck and it will quickly spread over their coat - it's as easy as that
TREAT MONTHLY - It’s important to treat your pets year-round to prevent flea and tick infestations. One 3-pack provides your dog with 3 months of protection

Bob Martin Clear Spot On Flea Treatment for Medium Dogs (10-20kg) - Kills Fleas & Ticks (3 Pipettes)

5% OffFree Shipping

Why We Love It

Kills fleas within 24 hours.
Suitable for medium dogs.
Prevents re-infestation on pets.

Main Highlights

KILLS FLEAS & TICKS - Effective spot-on treatment, simply apply directly on your dogs skin to kill fleas within 24 hours and ticks within 48 hours.
MEDIUM DOGS (10-20KG) - Suitable for medium dogs over 8 weeks old, weighing between 10-20kg.
HOW TO USE - Simply part your dogs coat until the skin is visible, place the tip of the pipette directly against the skin and gently squeeze. Apply half to the base of the back of the dog’s head and half between the shoulder blades.
PROTECT YOUR PET - Prevents re-infestation on your pet and in their immediate surroundings. The active ingredient (Fipronil) works quickly to kill fleas & ticks.
LONG TERM PROTECTION - Kills fleas for up to 8 weeks and ticks for up to 4 weeks
PREVENTATIVE CARE IS THE BEST CARE - Contains 3 x spot-on pipettes to be used at monthly intervals as part of an effective and regular flea control program.
MAXIMISE YOUR PROTECTION - Use with Bob Martin Clear Plus Flea Spray for a complete parasite control regime.

Advantage Spot On Flea Treatment 250 Large Dogs 10-25kg, 4 pipettes

Why We Love It

Long-lasting flea protection.
Easy-to-apply treatment.
Convenient monthly usage.

Main Highlights

One treatment prevents further flea infestation for up to four weeks on dogs
Advantage Flea Treatment is supplied in 1 pack containing 4 single use pipettes
Treatment should be repeated after four weeks

Beaphar - Fiprotec Spot-On for Small Dogs (2-10kg) - Kills Fleas and Ticks - Vet Strength Treatment - 6 Pipettes

24% OffFree Shipping

Why We Love It

Fast-acting flea and tick control.
Monthly treatment for lasting protection.
Easy, stress-free application process.

Main Highlights

KILLS FLEAS AND TICKS: Beaphar FIPROtec Spot-On for Small Dogs is an effective and affordable veterinary medicine to control fleas and ticks on your dog, killing fleas within 24 hours and ticks within 48 hours
MONTHLY TREATMENT: Effective against fleas for up to five weeks. Prevention is the best way to protect your dog from fleas and ticks. Treatment can be used every four weeks
EASY TO APPLY: Simply part the coat between the shoulder blades until the skin is visible. Place the tip of the pipette on the skin and squeeze gently to empty its contents onto the skin. The active formula will then spread across the body and keep your dog protected
SUITABLE FOR DOGS AND PUPPIES: Can be used on dogs and puppies from 8 weeks of age weighing 2-10kg
VET STRENGTH TREATMENT: Beaphar FIPROtec Spot-On for Small Dogs is a veterinary medicine available without the need for a veterinary prescription. It contains fipronil which effects the nervous system of fleas, causing hyperactivity. As a result, it is quite common to see 'more' fleas following treatment
DEALING WITH A FLEA INFESTATION: Fleas from pets often infest the animal's basket, bedding and regular resting areas such as carpets and soft furnishings. For best results, use with Beaphar FLEAtec Household flea spray to help tackle the infestation in the home

Beaphar | FIPROtec Spot-On for Large Dogs (20–40kg) | Kills Fleas & Ticks | Vet Strength Treatment | 6 Pipettes

20% OffFree Shipping

Why We Love It

Kills fleas within 24 hours.
Affordable veterinary-grade treatment.
Easy to apply.

Main Highlights

KILLS FLEAS AND TICKS: Beaphar FIPROtec Spot-On for Large Dogs is an effective and affordable veterinary medicine to control fleas and ticks on your dog, killing fleas within 24 hours and ticks within 48 hours.
MONTHLY TREATMENT: Effective against fleas for up to five weeks. Prevention is the best way to protect your dog from fleas and ticks. Treatment can be used every four weeks.
EASY TO APPLY: Simply part the coat between the shoulder blades until the skin is visible. Place the tip of the pipette on the skin and squeeze gently to empty its contents onto the skin. The active formula will then spread across the body and keep your dog protected.
SUITABLE FOR DOGS AND PUPPIES: Can be used on dogs and puppies from 8 weeks of age weighing 20-40kg.
VET STRENGTH TREATMENT: Beaphar FIPROtec Spot-On for Large Dogs is a veterinary medicine available without the need for a veterinary prescription. It contains fipronil which effects the nervous system of fleas, causing hyperactivity. As a result, it is quite common to see 'more' fleas following treatment.
DEALING WITH A FLEA INFESTATION: Fleas from pets often infest the animal's basket, bedding and regular resting areas such as carpets and soft furnishings. For best results, use with Beaphar FLEAtec Household flea spray to help tackle the infestation in the home.

Kills fleas and ticks effectively.
Provides monthly continuous protection.
Easy and simple application.

Main Highlights

KILLS FLEAS and TICKS: Beaphar FIPROtec Spot-On for cats is an effective and affordable veterinary medicine to control fleas and ticks on your cat, killing fleas within 24 hours and ticks within 48 hours
MONTHLY TREATMENT: Effective against fleas for up to five weeks. Prevention is the best way to protect your cat from fleas. Treatments can be used monthly for continuous protection
EASY TO APPLY: Simply part the coat between the shoulder blades until the skin is visible. Place the tip of the pipette on the skin and squeeze gently to empty its contents onto the skin. The active formula will then spread across the body and keep your cat protected
SUITABLE FOR CATS and KITTENS: Can be used on cats and kittens from 8 weeks of age weighing more than 1kg
VET STRENGTH TREATMENT: Beaphar FIPROtec Spot-On for cats is a veterinary medicine available without the need for a veterinary prescription. It contains Fipronil which effects the nervous system of fleas, causing hyperactivity. As a result, it is quite common to see 'more' fleas following treatment
DEALING WITH A FLEA INFESTATION: Fleas from pets often infest the animal's basket, bedding and regular resting areas such as carpets and soft furnishings. For best results use with Beaphar FLEAtec Household flea spray to help tackle the infestation in the home

Beaphar - FIPROtec Spot-On for Medium Dogs (10-20kg) - Kills Fleas and Ticks - Vet Strength Treatment - 6 Pipettes

32% OffFree Shipping

Why We Love It

Kills fleas within 24 hours.
Monthly treatment for optimal protection.
Veterinary strength without prescription.

Main Highlights

KILLS FLEAS AND TICKS: Beaphar FIPROtec Spot-On for Medium Dogs is an effective and affordable veterinary medicine to control fleas and ticks on your dog, killing fleas within 24 hours and ticks within 48 hours.
MONTHLY TREATMENT: Effective against fleas for up to five weeks. Prevention is the best way to protect your dog from fleas and ticks. Treatment can be used every four weeks.
EASY TO APPLY: Simply part the coat between the shoulder blades until the skin is visible. Place the tip of the pipette on the skin and squeeze gently to empty its contents onto the skin. The active formula will then spread across the body and keep your dog protected.
SUITABLE FOR DOGS AND PUPPIES: Can be used on dogs and puppies from 8 weeks of age weighing 10-20kg.
VET STRENGTH TREATMENT: Beaphar FIPROtec Spot-On for Medium Dogs is a veterinary medicine available without the need for a veterinary prescription. It contains fipronil which effects the nervous system of fleas, causing hyperactivity. As a result, it is quite common to see 'more' fleas following treatment.
DEALING WITH A FLEA INFESTATION: Fleas from pets often infest the animal's basket, bedding and regular resting areas such as carpets and soft furnishings. For best results, use with Beaphar FLEAtec Household flea spray to help tackle the infestation in the home.

8.7

Excellent

Save 32%

We scanned 1110 products

We reviewed these offers relevant to the Flea Treatment within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like FRONTLINE, Capstar, Bob Martin, Advantage, Beaphar, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Flea Treatment in the market, we considered we took a deep dive into 5551 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is FRONTLINE Plus Flea & Tick Treatment for Medium Dogs (10-20 kg) - 6 Pipettes. We love many things about this product by FRONTLINE. What sets it apart from the competition is Quickly kills fleas and ticks, Stops flea eggs from hatching, Simple and easy application.
The best value product for most shoppers and where user satisfaction is continuously the highest is Capstar Flea Tablets for Dogs and Cats from 1kg to 11kg, Oral Medication for Flea Treatment in Small Dogs and Cats, Contains 6x 11.4mg Nitenpyram Flea Tablet by Capstar based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Flea Treatment and the best cost-to-value ratio is FRONTLINE Plus Flea & Tick Treatment for Cats and Ferrets - 6 Pipettesat FRONTLINE with a 49% discount.
Our list of the best Flea Treatment is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Flea Treatment in The UK

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We scanned 1110 products

We concluded that: