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Cheapest Flour in the UK

Prices updated 15 August 2026 · 216 products across 7 supermarkets

The best-value flour in the UK right now is Sainsbury's Plain Flour 1.5kg at Sainsbury's — £0.47/kg (£0.70).
216Products Compared
7Supermarkets
£0.47Lowest /Kg

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

#ProductStorePricePer Unit
1Sainsbury's Plain Flour 1.5kgSainsbury's£0.70£0.47/kg
2Sainsbury's Self Raising Flour 1.5kgSainsbury's£0.70£0.47/kg
3THE PANTRY Plain Flour 1.5 KGAldi£0.70£0.47/kg
4THE PANTRY Self Raising Flour 1.5 KGAldi£0.70£0.47/kg
5Stockwell & Co. Plain Flour 1.5KgTesco£0.70£0.47/kg
6Stockwell & Co. Self Raising Flour 1.5KgTesco£0.70£0.47/kg
7Morrisons Plain Flour 1.5kgMorrisons£0.70£0.47/kg
8Morrisons Self Raising Flour 1.5kgMorrisons£0.70£0.47/kg
9BAKE by ASDA Bake by Plain Flour 1.5kgAsda£0.78£0.52/kg
10BAKE by ASDA Bake Self Raising Flour 1.5kgAsda£0.78£0.52/kg
11Tesco Plain Flour 1.5KgTesco£0.80£0.53/kg
12Tesco Self Raising Flour 1.5KgTesco£0.80£0.53/kg
13Essential Self Raising White Wheat FlourWaitrose£0.85£0.57/kg
14M&S Plain White Flour 1.5kgM&S£0.85£0.57/kg
15M&S Self Raising Flour 1500gM&S£0.85£0.57/kg
16THE PANTRY Strong White Bread Flour 1.5 KGAldi£1.09£0.73/kg
17Tesco Medium Chapatti Flour 10KgTesco£7.50£0.75/kg
18Indus Medium Chapatti Flour 10kgMorrisons£8.00£0.80/kg
19BAKE by ASDA BAKE by ASDA Strong White Bread Flour 1.5kgAsda£1.22£0.81/kg
20Morrisons Strong White Flour 1.5kgMorrisons£1.30£0.87/kg
21Sainsbury's Plain Flour 500gSainsbury's£0.45£0.90/kg
22Sainsbury's Self Raising Flour 500gSainsbury's£0.45£0.90/kg
23Essential Plain White FlourWaitrose£0.45£0.90/kg
24Essential Self-Raising White FlourWaitrose£0.45£0.90/kg
See The Live Flour Comparison →

Cheapest Flour: FAQ

Where is the cheapest flour in the UK?

Right now the best value flour is Sainsbury's Plain Flour 1.5kg at Sainsbury's, £0.70 (£0.47/kg). SmartShelf ranks flour by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for flour?

We compare flour 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 flour 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.