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5 Best Fleas Treatment For Dogs of 2026

Last Updated - 01/04/2026

1
Best Choice
35% 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
35% Off

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

FRONTLINE

£19.95

£30.49
(35% Off)

More Details
Main highlights
- TRIED AND TRUSTED - FRONTLINE's original vet-strength formula has an exemplary safety profile
- 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
- KILLS TICKS - Ticks latching onto your treated dog are killed within 48 hours, helping to reduce the risk of disease transmission
- KILLS FLEAS - Fleas jumping onto your treated dog are killed within 24 hours, preventing infestations from building up
- 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
£19.95
£30.49 (35% Off)
2
Best Value
41% 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
41% Off

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

FRONTLINE

£17.95

£30.49
(41% Off)

More Details
Main highlights
- TRIED AND TRUSTED - FRONTLINE's original vet-strength formula has an exemplary safety profile
- 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
- KILLS TICKS - Ticks latching onto your treated dog are killed within 48 hours, helping to reduce the risk of disease transmission
- KILLS FLEAS - Fleas jumping onto your treated dog are killed within 24 hours, preventing infestations from building up
- 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
£17.95
£30.49 (41% 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 Dogs 10 - 25kg (4 pipettes, 250mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks

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.
- 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 between the shoulder blades.
- 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 Dogs 10 - 25kg (4 pipettes, 250mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks

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.
- 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 between the shoulder blades.
- 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 Medium Dogs 4 - 10 kg (4 pipettes, 100mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks

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.
- 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 between the shoulder blades.
- 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 Best Fleas Treatment For Dogs of 2026

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

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

Advantage Spot On Flea Treatment For Large Dogs 10 - 25kg (4 pipettes, 250mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks

Advantage Spot On Flea Treatment For Large Dogs 10 - 25kg (4 pipettes, 250mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks

Advantage Spot On Flea Treatment For Medium Dogs 4 - 10 kg (4 pipettes, 100mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks

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Advantage Spot On Flea Treatment For Medium Dogs 4 - 10 kg (4 pipettes, 100mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks

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

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Bob Martin Clear Flea Treatment for Large Dogs (3 Tablets) - Kills 100% of Fleas within 24 Hours (over 11kg)

Bob Martin Clear Flea Treatment for Large Dogs (3 Tablets) - Kills 100% of Fleas within 24 Hours (over 11kg)

FRONTLINE Plus Flea & Tick Treatment for Medium Dogs - 3 Pipettes

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