10 Best flea treatment in Canada

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Last Updated - 2026/07/01

Best Choice

01
K9 Advantix

K9 Advantix II - Flea/Tick Prevention - Vet Recommended - Medium Dog - 6-Pk

9.5 Simple to use

8.2 worth the money
Main highlights

Year-Round Tick Prevention: Dogs in Canada need protection whenever temperatures exceed 4°C. Protect your pet from ticks and the harmful diseases they spread like Lyme disease.
Trusted Efficacy: Controls fleas, ticks and lice on dogs within 24 hours of treatment and will continue to protect the dog from further infestations for up to 4 weeks.
Safe, Vet-Recommended Care: Get trusted flea & tick medication delivered right to your door without a prescription. This 6-pack provides a 6-month supply for Medium Dogs between 4.6 kg to 11 kg (10 lbs. to 24 lbs.).
Kills Through Contact: K9 Advantix II works on the surface of the skin. Unlike oral medication, fleas, ticks, and mosquitoes do not have to bite your dog to die. Also reduces biting by mosquitoes and stable flies.
Easy Application: Fragrance-free, topical spot-on drops are simple to apply, offering a stress-free, monthly routine for reliable flea & tick control.
Do Not Use on Cats Safe for dogs and puppies 8 weeks and older
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9.7

Exceptional

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02
Advantage

Advantage II Flea Treatment for Small Cats weighing between 2.3 kg to 4 kg (5 lbs. to 9 lbs.)-4 doses

8.9 Simple to use

8.0 worth the money
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required; Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains four, monthly applications of the flea protection for cats weighing 2.3 kg to 4 kg, Can also be used for pet rabbits 4 months and older weighing between 1.5 and 4 kg and for pet ferrets 10 weeks and older weighing between 0.4 and 4 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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9.5

Excellent

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03
Advantage

Advantage II Flea Protection for Large Cats weighing over 4 kg (over 9 lbs.) - 2 doses

15% Off

9.3 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of the flea protection for cats weighing over 4 kg and for pet rabbits 4 months and older weighing over 4 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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9.4

Excellent

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Value for Money

04
Capstar

Capstar Oral Flea Treatment for Small Dogs and Cats weighing 1 to 11 kg - 6 pack

18% Off

8.4 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Tackle flea infestations fast - Capstar works from the inside out
Safe for dogs, cats, puppies and kittens 4 weeks and older
One oral tablet starts killing fleas within 30 minutes of administration
Once-daily tablets can be administered until flea infestation is resolved
Contains six fast-acting tablets for dogs and cats weighing 1 - 11 kg
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9.3

Excellent

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05
Advantage

Advantage II Flea Treatment for Small Cats weighing between 2.3 kg to 4 kg (5 lbs. to 9 lbs.)-2 doses

15% Off

9.3 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required, Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of the flea protection for cats weighing 2.3 kg to 4 kg, Can also be used for pet rabbits 4 months and older weighing between 1.5 and 4 kg and for pet ferrets 10 weeks and older weighing between 0.4 and 4 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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9.0

Excellent

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06
Advantage

Advantage II Flea Protection for Large Cats weighing over 4 kg (over 9 lbs.) - 4 doses

10% Off

9.3 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required; Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains four, monthly applications of the flea protection for cats weighing over 4 kg and for pet rabbits 4 months and older weighing over 4 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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8.9

Very Good

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07
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.)-2 doses

9.7 Simple to use

8.4 worth the money

8.2 Aroma
Main highlights

Safe for dogs and puppies 8 weeks and older
Kills ticks, fleas through contact – no biting required. Kills lice and mosquitoes too!
Easy to apply topical treatment can be used monthly for year-round protection
DO NOT USE K9 Advantix II ON CATS
Breaks the flea life cycle to treat and control flea infestations in the home
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8.7

Very Good

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08
K9 Advantix

K9 Advantix II Flea & Tick Prevention – Small Dog - Vet Recommended - 2-Pk

15% Off

9.1 Simple to use

8.4 worth the money
Main highlights

Year-Round Tick Prevention: Dogs in Canada need protection whenever temperatures exceed 4°C. Protect your pet from ticks and the harmful diseases they spread like Lyme disease.
Trusted Efficacy: Controls fleas, ticks and lice on dogs within 24 hours of treatment and will continue to protect your dog from further infestations for up to 4 weeks.
Safe, Vet-Recommended Care: Get trusted flea & tick medication delivered right to your door, no prescription required. This 2-pack provides a 2-month supply for Small Dogs under 4.5 kg (less than 10 lbs.)
Kills Through Contact: K9 Advantix II works on the surface of the skin. Unlike oral medication, fleas, ticks, and mosquitoes do not have to bite your dog to die. Also reduces biting by mosquitoes and stable flies.
Easy Application: Fragrance-free, topical spot-on drops are simple to apply, offering a stress-free, monthly routine for reliable flea & tick control.
Do Not Use on Cats Safe for dogs and puppies 8 weeks and older
Show more
8.5

Good

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09
Capstar

Capstar Oral Flea Treatment for Large Dogs Weighing 11 to 57 kg - 6 Pack

20% Off

9.5 Simple to use

8.4 Aroma

8.0 worth the money
Main highlights

Tackle flea infestations fast - Capstar works from the inside out
Safe for dogs and puppies 4 weeks and older
One oral tablet starts killing fleas within 30 minutes of administration
Once-daily tablets can be administered until flea infestation is resolved
Contains six fast-acting tablets for dogs weighing 11-57 kg
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8.4

Good

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10
K9 Advantix

K9 Advantix II - Flea/Tick Prevention - Vet Recommended - Large Dog - 2-Pk

15% Off

8.9 Simple to use

8.0 worth the money
Main highlights

Safe for dogs and puppies 8 weeks and older
Kills ticks, fleas through contact – no biting required. Kills lice and mosquitoes too!
Easy-to-apply topical treatment can be used monthly for year-round protection
DO NOT USE K9 Advantix II ON CATS
Breaks the flea life cycle to treat and control flea infestations in the home
Show more
8.2

Good

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