Cheapest Spring Onions in the UK

Prices updated 15 August 2026 · 29 products across 7 supermarkets

The best-value spring onions in the UK right now is Sainsbury's Spring Onions Bunch 100g at Sainsbury's — £0.65/each (£0.65).

29Products Compared

7Supermarkets

£0.65Lowest /Each

We compare spring onions across all 7 major UK supermarkets — Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S — and rank by price per unit so you can see where spring onions is genuinely cheapest. Prices update daily.

#	Product	Store	Price	Per Unit
1	Sainsbury's Spring Onions Bunch 100g	Sainsbury's	£0.65	£0.65/each
2	M&S Spring Onions	M&S	£0.70	£0.70/each
3	Essential Bunched Salad Onions	Waitrose	£0.80	£0.80/each
4	ASDA Fragrant & Punchy Jumbo Spring Onions	Asda	£0.97	£0.97/each
5	Tesco Red Spring Onions 120G Clubcard £0.80	Tesco	£1.00	£1.00/each
6	Morrisons Red Jumbo Salad Onions	Morrisons	£1.00	£1.00/each
7	Sainsbury's Large Spring Onions	Sainsbury's	£1.10	£1.10/each
8	Waitrose Continental Salad Onions	Waitrose	£1.10	£1.10/each
9	ASDA Organic Organic Spring Onions	Asda	£1.10	£1.10/each
10	Sainsbury's Spring Onion Bunch, SO Organic 100g	Sainsbury's	£1.20	£1.20/each
11	Duchy Organic Salad Onions Bunch	Waitrose	£1.25	£1.25/each
12	Red Continental Salad Onions	Waitrose	£1.35	£1.35/each
13	M&S Jumbo Spring Onions	M&S	£1.50	£1.50/each
14	Tesco Bunched Spring Onions 100G	Tesco	£0.65	£6.50/kg
15	NATURE'S PICK Spring Onions 0.1 KG	Aldi	£0.65	£6.50/kg
16	NATURE'S PICK Jumbo Spring Onions 0.13 KG	Aldi	£0.89	£6.85/kg
17	ASDA Fragrant & Crunchy Spring Onions 125g	Asda	£0.88	£7.04/kg
18	M&S Spring Onion Rice 275g	M&S	£2.00	£7.27/kg
19	Tesco Large Spring Onions Bunched 130G	Tesco	£1.00	£7.69/kg
20	Morrisons Jumbo Salad Onions 130g	Morrisons	£1.00	£7.69/kg
21	ASDA Free From Free From by 2 Mature Cheddar & Spring Onion Bakes 230g	Asda	£2.17	£9.43/kg
22	Sainsbury's Red Spring Onions, Taste the Difference	Sainsbury's	£1.20	£10.00/kg
23	M&S Red Spring Onions 130g	M&S	£1.30	£10.00/kg
24	Trimmed Salad Onions	Waitrose	£1.50	£12.00/kg

See The Live Spring Onions Comparison →

Cheapest Spring Onions: FAQ

Where is the cheapest spring onions in the UK?

Right now the best value spring onions is Sainsbury's Spring Onions Bunch 100g at Sainsbury's, £0.65 (£0.65/each). SmartShelf ranks spring onions by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for spring onions?

We compare spring onions across Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S. Today Sainsbury's has the cheapest option, but the ranking updates every day as prices change.

How does SmartShelf compare spring onions prices?

We list each product's price per unit (£/kg, £/litre or per item) so you compare like for like, and we show loyalty prices such as Clubcard and Nectar where available — free, with no sign-up.