How much does Onions cost at Tesco?
Onions costs £0.85 for 1kg bag at Tesco (as of May 2026). The cheapest option is Aldi at £0.59.
£0.85
1kg bag
↑ 6.2%
Onions price at every UK supermarket
Here's how Tesco's price compares to other major UK supermarkets, sorted cheapest to most expensive:
| Supermarket | Price | Change |
|---|---|---|
| Aldi | £0.59 | +7.3% |
| Lidl | £0.65 | +8.3% |
| Asda | £0.75 | +4.2% |
| Morrisons | £0.80 | +2.6% |
| Tesco (this page) | £0.85 | +6.2% |
| Sainsbury's | £0.89 | +4.7% |
| Co-op | £0.90 | +5.9% |
| Waitrose | £1.00 | +5.3% |
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Download SupermonsterFrequently asked questions
Onions (1kg bag) currently costs £0.85 at Tesco. This price was last checked in May 2026.
No, Aldi is currently cheapest at £0.59, which is £0.26 less than Tesco.
Yes, Onions at Tesco has increased by +6.2% recently (from £0.80 to £0.85).