Price comparison
Aldi UK vs Sainsbury's: Which Supermarket Is Cheaper?
Side-by-side grocery price comparison between Aldi UK and Sainsbury's in the UK. Prices are tracked daily across thousands of products so you can see at a glance which supermarket wins on the categories you buy most.
Quick Comparison
Aldi UK products tracked
30
Sainsbury's products tracked
136
Head-to-head products
5
Cheapest by Category
Where Aldi UK is cheaper
- Dairy CreamSave £1.18
- Aldi UK
- £0.52
- Sainsbury's
- £1.70
Cheaper at Aldi UK
- Lactose-Free MilkSave £0.36
- Aldi UK
- £0.99
- Sainsbury's
- £1.35
Cheaper at Aldi UK
- Flavoured MilkSave £0.25
- Aldi UK
- £0.95
- Sainsbury's
- £1.20
Cheaper at Aldi UK
- Long Life MilkSave £0.00
- Aldi UK
- £0.69
- Sainsbury's
- £0.69
Cheaper at Aldi UK
Where Sainsbury's is cheaper
- Plant-Based MilkSave £0.34
- Aldi UK
- £2.09
- Sainsbury's
- £1.75
Cheaper at Sainsbury's
Want the full picture?
Browse every grocery product OpenOrder tracks across the UK supermarkets — with live unit-price comparisons.
Prices updated daily. Last updated Jun 13, 2026.