Spot Ons

(58 results)
Frontline Plus Flea & Tick Dog Treatment 5-22 lbs
3 sizes
(564)
$39.99 - $96.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Frontline Plus Flea & Tick Dog Treatment 45-88 lbs
3 sizes
(624)
$39.99 - $96.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® II Over 55 lbs Dog Flea & Tick Treatment
4 sizes
(318)
$18.99 - $79.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® II 21-55 lbs Dog Flea & Tick Treatment
4 sizes
(277)
$18.99 - $79.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Frontline Plus Flea and Tick Dog Treatment 23-44 lbs
3 sizes
(371)
$39.99 - $96.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® II 11-20 lbs Dog Flea & Tick Treatment
4 sizes
(275)
$18.99 - $79.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® Classic 21-55 lbs Dog Flea & Tick Treatment
(202)
$14.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® Classic 55+ lbs Dog Flea & Tick Treatment
(147)
$14.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® Classic 11-20 lbs Dog Flea & Tick Treatment
(132)
$14.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Frontline Shield Extra Strength Flea & Tick Spot Treatment for Dogs 41-80 Lbs
2 sizes
(951)
$49.99 - $89.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Advantage® II Over 55 lbs Dog Flea & Lice Treatment
2 sizes
(82)
$50.99 - $66.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® II Under 10 lbs Dog Flea & Tick Treatment
4 sizes
(255)
$18.99 - $79.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Frontline Plus Flea & Tick Dog Treatment 89-132 lbs
3 sizes
(515)
$39.99 - $96.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
K9 Advantix® Classic 4-10 lbs Dog Flea & Tick Treatment
(101)
$14.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Revolution Topical for Dogs 40.1-85 Teal - 3 Month or 6 Month Supply
2 sizes
(1)
$106.88 - $193.07
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Revolution Topical for Dogs 20.1-40 Red  - 3 Month or 6 Month Supply
2 sizes
(1)
$105.73 - $193.05
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Revolution Topical for Dogs 10.1-20 Brown - 3 Month or 6 Month Supply
2 sizes
(3)
$103.93 - $182.92
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Advantage® II 21-55 lbs Dog Flea & Lice Treatment
2 sizes
(60)
$50.99 - $66.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
PetArmor® Ear Mite & Tick Treatment
(58)
$5.49
$8.29
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
NextStar® Flea & Tick Prevention for Large Dogs 45-88 lbs
2 sizes
(1205)
$34.99 - $52.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
NextStar® Flea & Tick Prevention for Small Dogs 5-22 lbs
2 sizes
(384)
$34.99 - $52.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
NextStar® Flea & Tick Prevention for Medium Dogs 23-44 lbs
2 sizes
(1204)
$34.99 - $52.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Revolution Topical for Dogs 5.1-10 Purple - 3 Month or 6 Month Supply
2 sizes
(0)
$100.33 - $178.20
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Advantage Multi Topical for Dogs 88.1-110 lbs Brown
2 sizes
(5)
$21.79 - $141.79
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Advantage Multi Topical for Dogs 20.1-55 lbs Red
2 sizes
(1)
$21.79 - $140.49
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Advantage Multi Topical for Dogs 9.1-20 lbs Teal
2 sizes
(5)
$21.79 - $139.19
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Frontline Shield Extra Strength Flea & Tick Spot Treatment for Dogs 11-20 Lbs
2 sizes
(923)
$49.99 - $89.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Frontline Shield Extra Strength Flea & Tick Spot Treatment for Dogs 21-40 Lbs
2 sizes
(924)
$49.99 - $89.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Frontline Shield Extra Strength Flea & Tick Spot Treatment for Dogs 5-10 Lbs
2 sizes
(923)
$49.99 - $89.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Frontline Shield Extra Strength Flea & Tick Spot Treatment for Dogs 81-120 Lbs
2 sizes
(922)
$49.99 - $89.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
PetArmor® Plus for Dogs 45-88 lbs Flea & Tick Spot On Treatment
2 sizes
(1868)
$26.19 - $42.49
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
PetArmor® Plus for Dogs 23-44 lbs Flea & Tick Spot On Treatment
2 sizes
(1857)
$26.19 - $42.49
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
PetArmor® Plus for Dogs 5-22lbs Flea & Tick Spot On Treatment
2 sizes
(1918)
$26.19 - $42.49
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Only Natural Pet® EasyDefense™ Herbal Dog Flea, Tick & Mosquito Treatment
3 sizes
(629)
$19.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Advantage® II 3-10 lbs Dog Flea & Lice Treatment
2 sizes
(72)
$50.99 - $66.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Advantage® II 11-20 lbs Dog Flea & Lice Treatment
2 sizes
(57)
$50.99 - $66.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
NextStar® Flea & Tick Prevention for Extra-Large Dogs 89-132 lbs
2 sizes
(1373)
$34.99 - $52.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Sergeant's Guardian Flea & Tick Topical for Dogs 7-32 lbs
(0)
$5.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Sergeant's Guardian Flea & Tick Topical for Dogs 33-66 lbs
(0)
$5.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
Sergeant's Guardian Flea & Tick Topical for Dogs over 66 lbs
(1)
$5.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Sign In & Enjoy Free Shipping Over $49
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Fleas are no fun for your dog or for you. They can cause issues for your pet when not addressed. If your dog has fleas or ticks, you should talk to your vet about the best options to help get rid of them. Pet parents looking for dog flea spot-ons or topical flea treatments for dogs can find what they need at PetSmart. We want to help you give your dog the best care with the best products. 
 
Our selection of dog flea prevention products includes options like: 
 
You can find everything you need to care for your pup at PetSmart. Need other dog supplies while you’re here? We have you covered. 
 
PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see which items are eligible.