| 29 Products | May 2025 | May 2026 | Change |
| Kellogg's Corn Flakes Breakfast Cereal (450g) | £2.17 | £2.17 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.35 | £2.35 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £1.89 | £1.89 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| Kellogg's Crunchy Nut Cereal () | £3.30 | £3.42 | + £0.12 3.6% increase |
| | £3.40 | £3.40 | £0.00 No change |
| | £4.40 | £4.40 | £0.00 No change |
| | £3.00 | £2.85 | - £0.15 -1.4% decrease |
| | £2.75 | £3.75 | + £1.00 6.2% increase |
| | £3.29 | £3.29 | £0.00 5% increase |
| | £3.40 | £3.40 | £0.00 4.5% increase |
| | £2.75 | £2.85 | + £0.10 4.3% increase |
| | £3.39 | £3.39 | £0.00 3.6% increase |
| Kellogg's Corn Flakes Breakfast Cereal (720g) | £3.11 | £3.12 | + £0.01 0.3% increase |
| | £2.75 | £2.75 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £2.75 | £2.75 | £0.00 No change |
| | £3.29 | £3.29 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £2.75 | £2.85 | + £0.10 0.6% increase |
| | £3.20 | £3.20 | £0.00 0.3% increase |
| Kellogg's Corn Flakes Breakfast Cereal (1kg) | £4.10 | £4.15 | + £0.05 1.2% increase |
| | £4.00 | £4.00 | £0.00 No change |
| | £3.98 | £4.20 | + £0.22 2.8% increase |
| | £4.50 | £4.20 | - £0.30 -0.7% decrease |
| | £4.00 | £4.25 | + £0.25 1% increase |
| | £4.00 | £4.20 | + £0.20 1.7% increase |
| | £3.89 | £3.89 | £0.00 1.5% increase |
| | £4.30 | £4.30 | £0.00 1.2% increase |
| Kellogg's Corn Flakes Breakfast Cereal (450g) | £1.93 | £2.02 | + £0.09 4.7% increase |
| | £1.90 | £2.45 | + £0.55 28.9% increase |
| | £1.63 | £1.63 | £0.00 15.3% increase |
| | £2.00 | £2.00 | £0.00 10.3% increase |
| | £1.89 | £1.89 | £0.00 7% increase |
| | £2.25 | £2.25 | £0.00 5.7% increase |
| | £1.90 | £1.90 | £0.00 4.7% increase |
| Nestle GoFree Corn Flakes Gluten Free Cereal (500g) | £2.65 | £2.65 | £0.00 No change |
| | £2.70 | £2.70 | £0.00 No change |
| | £3.15 | £3.15 | £0.00 No change |
| | £2.85 | £2.85 | £0.00 No change |
| | £1.76 | £1.76 | £0.00 No change |
| | £3.15 | £3.15 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| Kallo Whole Earth Golden Organic Gluten Free Corn Flakes () | £4.47 | £4.47 | £0.00 No change |
| | £18.00 | £18.00 | £0.00 No change |
| | £1.85 | £1.85 | £0.00 No change |
| | £1.85 | £1.85 | £0.00 No change |
| | £1.85 | £1.85 | £0.00 No change |
| | £1.79 | £1.79 | £0.00 No change |
| | £1.47 | £1.47 | £0.00 No change |
| Kellogg's Corn Flakes Breakfast Cereal (450g) | £2.15 | £2.22 | + £0.07 3.3% increase |
| | £1.75 | £1.75 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.00 | £2.35 | + £0.35 5.8% increase |
| | £1.99 | £1.99 | £0.00 4.4% increase |
| | £2.49 | £2.49 | £0.00 3.3% increase |
| Kellogg's Crunchy Nut Breakfast Cereal (35g) | £0.59 | £0.59 | £0.00 No change |
| | £0.70 | £0.70 | £0.00 No change |
| | £0.60 | £0.60 | £0.00 No change |
| | £0.60 | £0.60 | £0.00 No change |
| | £0.60 | £0.60 | £0.00 No change |
| | £0.45 | £0.45 | £0.00 No change |
| Kellogg's Crunchy Nut Breakfast Cereal (375g) | £2.15 | £2.15 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| | £1.35 | £1.35 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
