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5 Best Flea Drops of 2025

Last Updated - 2025/07/01

1
Best Choice

✖
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 II Flea Treatment for Small Cats weighing between 2.3 kg to 4 kg (5 lbs. to 9 lbs.)-6 doses

Advantage

CA$99.99

CA$107.97
(7% Off)

More Details
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 six, 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
CA$99.99
CA$107.97 (7% Off)
2

✖
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.

K9 Advantix

K9 Advantix II Flea and Tick Treatment for Large Dogs weighing 11 kg to 25 kg (24 lbs. to 55 lbs.)-4 doses

K9 Advantix

CA$95.99

CA$103.97
(7% Off)

More Details
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
CA$95.99
CA$103.97 (7% Off)
3
Best Value
18% 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.

Capstar
18% Off

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

Capstar

CA$35.99

CA$43.99
(18% Off)

More Details
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
CA$35.99
CA$43.99 (18% Off)
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 II Flea Protection for Large Cats weighing over 4 kg (over 9 lbs.) - 4 doses

Advantage

CA$74.97

More Details
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
CA$74.97
5
14% 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.

K9 Advantix
14% Off

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

K9 Advantix

CA$52.95

CA$61.97
(14% Off)

More Details
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
CA$52.95
CA$61.97 (14% Off)

5 Best Flea Drops of 2025

Advantage II Flea Treatment for Small Cats weighing between 2.3 kg to 4 kg (5 lbs. to 9 lbs.)-6 doses

K9 Advantix II Flea and Tick Treatment for Large Dogs weighing 11 kg to 25 kg (24 lbs. to 55 lbs.)-4 doses

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

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

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

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K9 Advantix II Flea and Tick Treatment for Small Dogs weighing less than 4.5 kg (less than 10 lbs.)-4 doses

Advantage II Flea Treatment for Small Dogs weighing less than 4.5 kg (less than 10 lbs.)-2 doses

Advantage II Flea Treatment for Medium Dogs weighing 4.6 kg to 11 kg (10 lbs. to 24 lbs.)-4 doses

UltraGuard Pro Topical Flea & Tick Prevention for Dogs and Puppies - Over 28 kg, 3 Monthly Treatments

Zodiac Infestop for Cats 4KG and Under

Zodiac Infestop for Cats Over 4KG

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