Cheapest Butter in the UK

Prices updated 15 August 2026 · 99 products across 7 supermarkets

The best-value butter in the UK right now is Tesco British Unsalted Butter 250G at Tesco — £7.40/kg (£1.85).

99Products Compared

7Supermarkets

£7.40Lowest /Kg

We compare butter 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 butter is genuinely cheapest. Prices update daily.

#	Product	Store	Price	Per Unit
1	Tesco British Unsalted Butter 250G	Tesco	£1.85	£7.40/kg
2	COWBELLE British Salted Butter 250g 0.25 KG	Aldi	£1.85	£7.40/kg
3	Country Life Salted Butter 200g	Asda	£1.50	£7.50/kg
4	Essential Salted Butter Large	Waitrose	£3.80	£7.60/kg
5	M&S British Salted Butter 500g	M&S	£3.80	£7.60/kg
6	ASDA British Unsalted Butter 250g	Asda	£1.98	£7.92/kg
7	Morrisons British Salted Butter 250g	Morrisons	£1.98	£7.92/kg
8	Morrisons Unsalted British Butter 250g	Morrisons	£1.98	£7.92/kg
9	Morrisons Savers Salted Butter 250g	Morrisons	£1.99	£7.96/kg
10	Essential Salted Butter	Waitrose	£2.00	£8.00/kg
11	Essential Unsalted Butter	Waitrose	£2.00	£8.00/kg
12	M&S British Salted Butter 250g	M&S	£2.00	£8.00/kg
13	M&S British Unsalted Butter 250g	M&S	£2.00	£8.00/kg
14	Anchor Salted Butter 200g	Asda	£1.65	£8.25/kg
15	Anchor Unsalted Butter 200g	Asda	£1.65	£8.25/kg
16	Kerrygold Pure Irish Salted Butter Block 500g	Morrisons	£4.50	£9.00/kg
17	SPECIALLY SELECTED West Country Salted Butter 0.25 KG	Aldi	£2.29	£9.16/kg
18	Lurpak Unsalted Butter	Waitrose	£1.95	£9.75/kg
19	Lurpak Slightly Salted Butter	Waitrose	£1.95	£9.75/kg
20	Joseph Heler Cheshire Butter 250g	Asda	£2.48	£9.92/kg
21	Longley Farm Luxury Jersey Butter 250g	Morrisons	£2.50	£10.00/kg
22	Joseph Heler Cheshire Butter 250g	Morrisons	£2.50	£10.00/kg
23	Smug Dairy Butter Block 200g	Morrisons	£2.00	£10.00/kg
24	Delamere Goats Butter 250g	Morrisons	£2.60	£10.40/kg

See The Live Butter Comparison →

Cheapest Butter: FAQ

Where is the cheapest butter in the UK?

Right now the best value butter is Tesco British Unsalted Butter 250G at Tesco, £1.85 (£7.40/kg). SmartShelf ranks butter by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for butter?

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

How does SmartShelf compare butter 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.