Onions: average UK price

Onions (1000 g) cost £1.14 on average in September 2026 — ▼ 3.4% in a year. Pay much more than this and it is worth shopping around.

UK average, September 2026£1.141000 g

Last month£1.152-yr range £1.11–£1.18

Average price, last 25 months

How much does onions cost in the UK?

£1.14 for 1000 g on average in September 2026 (ONS).

Has it gone up?

Down 3.4% from £1.18 in September 2025.

What exactly is measured?

The ONS average price for the CPI item "Onions" in the fresh vegetables group, standardised to 1000 g.