Mouthwash Deals in Canada

Last updated: August 19, 2026

Currently from $2.98

Below avg price Across 5 stores this week · 90-day avg: $9.97

We found 19 flyer offers for Mouthwash across Canadian stores this week. Prices are sourced directly from store flyers and updated weekly.

Flyer data is category-level. Product names, sizes and package details may vary by store.

Current Prices by Store

Store	This week	vs 90d avg	Product / Size	On sale
Walmart	$2.98 Upcoming	-70%	Listerine Zero	Aug 20 – Aug 26, 2026
Sobeys	$3.99	-60%	LISTERINE 400 ml	Aug 13 – Sep 16, 2026
Jean Coutu Pharmacy	$5.99 Upcoming	-40%	Listerine	Aug 20 – Aug 26, 2026
Safeway	$7.99	-20%	Listerine 300 ml	Aug 13 – Sep 16, 2026
Co-op	$8.00 Upcoming	-20%	Crest Mouthwash	Aug 20 – Sep 9, 2026

90-day avg

$9.97

All-time low

$2.98

30-day avg

$11.14

Based on 69 price records from Canadian flyers since Apr 2026.

Store	Price	Unit price	Product	Size	On sale	Flyer
Sobeys	$3.99	$1.00/100 ml	LISTERINE	400 ml	Aug 13 – Sep 16, 2026	View flyer
Safeway	$7.99	$2.66/100 ml	Listerine	300 ml	Aug 13 – Sep 16, 2026	View flyer
Safeway	$7.99		Listerine Mouthwash		Aug 13 – Sep 16, 2026	View flyer
Walmart	$2.98		Listerine Zero		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$2.98		Listerine		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$4.98		Listerine Antiseptic Mouthwash		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$4.98		Listerine Total Care Zero		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$4.98		Listerine		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$4.99		Mouthwash		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$5.77	$4.12/100 ml	Listerine Cool Mint	140 ml	Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$5.77	$4.12/100 ml	Listerine Antiseptic	140 ml	Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$5.77		Listerine Freshburst		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$5.77		Listerine Agent Cool Blue		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$5.77		Listerine Ultra Clean		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Jean Coutu Pharmacy	$5.99		Listerine		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$6.72		Listerine		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Co-op	$8.00		Crest Mouthwash		Aug 20 – Sep 9, 2026 Upcoming	View flyer
Walmart	$11.98		Listerine Total Care		Aug 20 – Aug 26, 2026 Upcoming	View flyer
Walmart	$11.98		Listerine Total Care		Aug 20 – Aug 26, 2026 Upcoming	View flyer