| 10 Products | Apr 2024 | Apr 2025 | Change |
| Stamford Street Co. Onions () | £0.80 | £0.80 | £0.00 No change |
| | £0.80 | £0.80 | £0.00 No change |
| Waitrose Ltd Essential Onions per kg () | £0.55 | £0.55 | £0.00 No change |
| | £0.55 | £0.55 | £0.00 No change |
| | £0.65 | £0.65 | £0.00 No change |
| | £0.65 | £0.65 | £0.00 No change |
| SO Organic Sainsbury's Onions (750g) | £1.30 | £1.30 | £0.00 No change |
| | £1.30 | £1.30 | £0.00 No change |
| Sainsbury's Diced Onions Inspired to Cook (200g) | £0.50 | £0.50 | £0.00 No change |
| | £0.50 | £0.50 | £0.00 No change |
| Sainsbury's Onions Loose (200g) | £0.65 | £0.65 | £0.00 No change |
| | £0.65 | £0.65 | £0.00 No change |
| Sainsbury's Red Onions (1kg) | £1.10 | £1.00 | - £0.10 -9.1% decrease |
| | £1.10 | £1.00 | - £0.10 -9.1% decrease |
| Stamford Street Co. Red Onions () | £0.70 | £0.70 | £0.00 No change |
| | £0.70 | £0.70 | £0.00 No change |
| SO Organic Sainsbury's Red Onions (500g) | £1.40 | £1.40 | £0.00 No change |
| | £1.40 | £1.40 | £0.00 No change |
| Sainsbury's Large Onions (500g) | £1.00 | £1.00 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
