−77%Available sizes:
S
Helmets Under £100
Browse 71 helmets under £100 from UK retailers.
Looking for helmets under £100? We’ve found 71 options from 9 UK retailers, including Giro, POC, Endura and Bell. Current discounts reach up to 77%.
Prices in this band start from £12. Compare live offers and confirm size and stock on the retailer site before you buy.
Latest helmets under £100
Deals checked: 27 August 2026
−77%
−75%Available sizes:
SML
Lazer Impala KinetiCore MTB Helmet
£29.99£119.99
Save £90.00
−74%Available sizes:
SML
−70%Available sizes:
SM
−69%Available sizes:
S
−67%Available sizes:
SL
−66%Available sizes:
SML
−65%Available sizes:
SML
−65%Available sizes:
SM
−64%Available sizes:
XL
7Protection Project 23 ABS Full Face MTB Mountain Cycling Helmet
Available sizes:
XL
£46.99£129.99
Save £83.00
−64%Available sizes:
XL
7Protection Project 23 Carbon Full Face MTB Mountain Cycling Helmet
Available sizes:
XL
£99.99£279.99
Save £180.00
−64%Available sizes:
S
−63%Available sizes:
S (51-55cm)
−62%Available sizes:
S
−62%Available sizes:
S
−61%Available sizes:
SL
−61%Available sizes:
SLXL
−61%Available sizes:
SML
−60%Available sizes:
XL
−60%Available sizes:
S
−60%Available sizes:
L
About Helmets Under £100
We currently track 71 helmets under £100 from 9 retailers. The cheapest offer is £12, while the largest current saving is 77%. Current offers include brands such as Giro, POC, Endura and Bell.
Prices and availability can change quickly — confirm size, stock and the final price on the retailer site before you buy.
- Currently
- 71 helmet deals from 9 retailers
- Price range
- £12–£350
- Biggest discount
- 77%