| 9 Products | Apr 2025 | Apr 2026 | Change |
| Waitrose Ltd Duchy Organic Onions (750g) | £1.70 | £1.80 | + £0.10 5.9% increase |
| | £1.70 | £1.80 | + £0.10 5.9% increase |
| Waitrose Ltd Waitrose Large Onions () | £1.50 | £1.60 | + £0.10 6.7% increase |
| | £1.50 | £1.60 | + £0.10 6.7% increase |
| Waitrose Ltd Waitrose Onions per kg () | £0.17 | £0.16 | - £0.01 -5.9% decrease |
| | £0.17 | £0.16 | - £0.01 -5.9% decrease |
| Waitrose Ltd Waitrose Red Onions () | £1.20 | £1.20 | £0.00 No change |
| | £1.20 | £1.20 | £0.00 No change |
| Waitrose Ltd Essential Onions (1kg) | £1.05 | £1.05 | £0.00 No change |
| | £1.05 | £1.05 | £0.00 No change |
| Waitrose Ltd Waitrose Borettane Onions drained (170g) | £3.00 | £2.00 | - £1.00 -33.3% decrease |
| | £3.00 | £2.00 | - £1.00 -33.3% decrease |
| Waitrose Ltd Cooks' Ingredients Diced Onions (200g) | £1.35 | £1.40 | + £0.05 3.7% increase |
| | £1.35 | £1.40 | + £0.05 3.7% increase |
| Waitrose Ltd Waitrose Small Onions (500g) | £1.10 | £1.20 | + £0.10 9.1% increase |
| | £1.10 | £1.20 | + £0.10 9.1% increase |
| Waitrose Ltd Waitrose Onions () | £1.45 | £1.55 | + £0.10 6.9% increase |
| | £1.45 | £1.55 | + £0.10 6.9% increase |
