Best match
OOZZ Portable Travel Water Flosser & Oral Irrigator | 5 Modes, 6 Jet Tips, USB-C Rechargeable & Leak-Proof IPX8 Design
Joybuy · Top-ranked for this budget
£29.99
Get deal Prices updated 11 Nov 2026
Best Water Flossers Under £100
We compared 39 water flossers priced under £100 from 5 stores. Most cost around £37, and well-matched options start at £19.98. BritishVita, BAIR CARE, COSLUS and Spotlight Oral Care have the most models in this price range. Prices come from each store's product feed and are refreshed every day.
39Compared
5Stores
£19.98From
Top picks under £100
Budget pick
Water Flosser Dental Pick – Portable Oral Irrigator, 5 Jet Tips, IPX7 & Rechargeable
InStock · One of the cheapest well-matched options
£19.98
Get deal 39 deals
Water flossers under £100
InStock· Mira SalesMornwell D52 USB-Rechargeable water flosser IPX7 Waterproof Oral Irrigator, D52 - D52
£20.99
Ideal World TV· IdealworldBeautech - Water Flosser with 3 Heads and IPX7 Waterproof- 3 Modes Clean, soft and Massage- 200 ml Tank
£39.99
InStock· MYRA PRO PartnersOral Breeze HydroCare Water Flosser - Dental Flosser | 3' Hose
£51.42
InStock· BritishVitaWellLeo Water Flosser – Portable USB Rechargeable Oral Irrigator, 5 Jet Tips, IPX7 Waterproof
£49.98
InStock· BritishVitaWellLeo Water Flosser - Portable Oral Irrigator with 5 Jet Tips, IPX7 Waterproof
£42.48
InStock· BritishVitaWellLeo Water Flosser - Portable Oral Irrigator, 5 Jet Tips, IPX7
£34.98
InStock· BritishVitaWellLeo Water Flossers - Portable Oral Irrigator, Rechargeable with 5 Jet Tips | IPX7 Waterproof
£34.98
InStock· BritishVitaWater Flosser Dental Pick – Portable Oral Irrigator, 5 Jet Tips, IPX7 & Rechargeable
£19.98
Ideal World TV· bitvaeBitvae Cordless Water Flosser with 5 Nozzles & Tongue Scraper - 3 Pressure Settings - Black
£29.99
InStock· BritishVitaWellLeo Water Flosser - Portable Oral Irrigator, 5 Jet Tips, USB Rechargeable
£37.46
InStock· MYRA PRO PartnersMySmile Water Flosser Mouthwash – Travel Size, 15x Concentrated, Alcohol Free
£28.98
Not what you need? Search all water flossers →
Refreshed daily. Prices come straight from each store's product feed — last update 11 Nov 2026.
5 stores, one list. We mix stores so no single shop crowds out the rest.
Coupons on top. Look for the coupon tag on a deal to save even more at checkout.
Water Flossers under £100: FAQ
1What is the cheapest water flosser under £100?
1
What is the cheapest water flosser under £100?In today's comparison, well-matched water flossers start at £19.98 — for example "Water Flosser Dental Pick – Portable Oral Irrigator, 5 Jet Tips, IPX7 & Rechargeable" at InStock. Prices change daily, so check the store for the current price.
2How much do water flossers under £100 usually cost?
2
How much do water flossers under £100 usually cost?The typical price of the water flossers in this list is about £37. 39 models from 5 stores are listed under £100.
3Which stores sell water flossers under £100?
3
Which stores sell water flossers under £100?Joybuy (17), InStock (13), Spotlight Oral Care (4), Ideal World TV (4) and Usmile (1) — the number shows how many matching water flossers each store has.
4How often is this list updated?
4
How often is this list updated?Every day, after the stores' product feeds are refreshed. This list was last updated on 11 Nov 2026. Prices and stock can change at any time, so the store's own page is always the final word.
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