Prices updated daily — 21 July 2026
Product type overview
cereal bars sits within Cereals & Muesli, part of Breakfast & Pantry. On this page you compare 4 products from 9 UK supermarkets: Aldi, ASDA, Co-op, Iceland, Morrisons, Ocado, Sainsbury's, Tesco and Waitrose. The lowest unit price for cereal bars is £9.09/kg at ASDA. In total, 1 variants of cereal bars are compared (different pack sizes and compositions). All prices are normalised to the same unit (per kilogram, per litre or per piece) so that packs of different sizes can be compared fairly — a larger pack is not automatically the best value. The ranking below shows, per variant, which supermarket currently has the sharpest price, including own-label products alongside national brands. Prices refresh daily from the retailers' own public price lists, so you never see stale offers when planning your weekly shop. Allsupers uses no affiliate links or paid placement; the ranking is purely price-based and updated from public data.
Cheapest cereal bars
Compare 4 products across 9 supermarkets
cereal bars — compare prices across 9 supermarkets

Kellogg's Frosties
Kellogg's Frosties Cereal Breakfast Bar 4x25g
100 g
£13.50/kg
at 1 supermarket

Quaker
Quaker Porridge to Go Squares Red Fruits 2 x 55g
110 g
£14.09/kg
at 1 supermarket

Kellogg's Rice Krispies
Kellogg's Rice Krispies Squares Marshmallow Snack Bars 8 x 28g
224 g
£14.96/kg
at 1 supermarket

Kellogg's Rice Krispies
Kellogg's Rice Krispies Breakfast Cereal Bars 4x20g
80 g
£16.88/kg
at 1 supermarket