| 22 Products | May 2025 | May 2026 | Change |
| M&S Mini Chicken Breast Fillets Frozen (1kg) | £7.50 | £7.50 | £0.00 No change |
| | £7.50 | £7.50 | £0.00 No change |
| Ocado British Chicken Breast Fillets (650g) | £4.79 | £5.00 | + £0.21 4.4% increase |
| | £4.79 | £5.00 | + £0.21 4.4% increase |
| Moy Park 3 Skin On Roast Chicken Breast Fillets (345g) | £5.00 | £5.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| Ocado British Mini Chicken Breast Fillets (500g) | £4.25 | £4.25 | £0.00 No change |
| | £4.25 | £4.25 | £0.00 No change |
| Moy Park Irish Chicken Breast Fillets () | £5.45 | £5.45 | £0.00 No change |
| | £5.45 | £5.45 | £0.00 No change |
| Ocado Organic Free Range Chicken Breast Fillets Typically: () | £8.63 | £8.63 | £0.00 No change |
| | £8.63 | £8.63 | £0.00 No change |
| M&S Made Without 2 Chicken Breast Fillets (270g) | £4.75 | £4.00 | - £0.75 -15.8% decrease |
| | £4.75 | £4.00 | - £0.75 -15.8% decrease |
| Ocado British Chicken Breast Portions (1kg) | £9.70 | £9.70 | £0.00 No change |
| | £9.70 | £9.70 | £0.00 No change |
| M&S Select Farms British Diced Chicken Breast Fillets (350g) | £3.35 | £3.35 | £0.00 No change |
| | £3.35 | £3.35 | £0.00 No change |
| M&S Organic British Chicken Breast Fillets Typically: (500g) | £10.82 | £10.82 | £0.00 No change |
| | £10.82 | £10.82 | £0.00 No change |
