| 13 Products | May 2023 | May 2024 | Change |
| Kellogg's Corn Flakes Breakfast Cereal (500g) | £2.19 | £2.19 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.50 | £2.50 | £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 (500g) | £3.59 | £3.83 | + £0.24 6.7% increase |
| | £3.15 | £2.75 | - £0.40 -12.7% decrease |
| | £2.50 | £2.50 | £0.00 -7.1% increase |
| | £3.29 | £3.29 | £0.00 -4.4% increase |
| | £3.00 | £3.50 | + £0.50 0.7% increase |
| | £3.29 | £3.29 | £0.00 0.7% increase |
| | £3.30 | £3.40 | + £0.10 1% increase |
| | £3.30 | £3.40 | + £0.10 1.3% increase |
| | £2.49 | £3.39 | + £0.90 4.9% increase |
| | £7.99 | £8.99 | + £1.00 6.7% increase |
| Kellogg's Corn Flakes Breakfast Cereal (720g) | £3.67 | £3.74 | + £0.07 1.9% increase |
| | £3.40 | £3.40 | £0.00 No change |
| | £3.00 | £2.75 | - £0.25 -3.8% decrease |
| | £2.67 | £3.20 | + £0.53 3.3% increase |
| | £3.29 | £3.29 | £0.00 2.3% increase |
| | £2.70 | £2.75 | + £0.05 2.3% increase |
| | £3.00 | £3.20 | + £0.20 3% increase |
| | £3.30 | £3.30 | £0.00 2.6% increase |
| | £7.99 | £7.99 | £0.00 1.9% increase |
| Kellogg's Corn Flakes Breakfast Cereal (1kg) | £4.54 | £4.49 | - £0.05 -1.1% decrease |
| | £7.40 | £7.20 | - £0.20 -2.7% decrease |
| | £4.12 | £4.00 | - £0.12 -2.8% decrease |
| | £4.50 | £4.50 | £0.00 -2.1% increase |
| | £3.88 | £4.00 | + £0.12 -1% increase |
| | £3.88 | £4.00 | + £0.12 -0.4% increase |
| | £3.74 | £3.89 | + £0.15 0.2% increase |
| | £4.30 | £4.30 | £0.00 0.2% increase |
| | £4.50 | £4.00 | - £0.50 -1.1% decrease |
| Kellogg's Corn Flakes (450g) | £1.93 | £1.93 | £0.00 No change |
| | £1.63 | £1.63 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £1.89 | £1.89 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
| Kellogg's Cornflakes (550g) | £2.24 | £2.24 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| Kellogg's Crunchy Nut Breakfast Cereal (35g) | £0.58 | £0.59 | + £0.01 1.7% increase |
| | £0.70 | £0.70 | £0.00 No change |
| | £0.60 | £0.60 | £0.00 No change |
| | £0.60 | £0.60 | £0.00 No change |
| | £0.55 | £0.60 | + £0.05 3.3% increase |
| | £0.45 | £0.45 | £0.00 1.7% increase |
| Kellogg's Corn Flakes Breakfast Cereal (24g) | £3.79 | £3.80 | + £0.01 0.3% increase |
| | £0.70 | £0.70 | £0.00 No change |
| | £0.60 | £0.60 | £0.00 No change |
| | £0.55 | £0.60 | + £0.05 1.6% increase |
| | £0.60 | £0.60 | £0.00 3.3% increase |
| | £16.49 | £16.49 | £0.00 0.3% increase |
| 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 |
| Kellogg's Corn Flakes Cereal (1.2kg) | £4.45 | £4.45 | £0.00 No change |
| | £4.29 | £4.29 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
| | £4.99 | £4.99 | £0.00 No change |
