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Cheapest Plain in the UK

Prices updated 15 November 2026 · 215 products across 9 supermarkets

The best-value plain in the UK right now is Sainsbury's Plain Flour 1.5kg at Sainsbury's — £0.47/kg (£0.70).
215Products Compared
9Supermarkets
£0.47Lowest /Kg

We compare plain across all 9 major UK supermarkets: Tesco, Asda, Sainsbury's, Morrisons, Waitrose, Aldi, M&S, Ocado and Iceland — and rank by price per unit so you can see where plain is genuinely cheapest. Prices update daily.

1Sainsbury's Plain Flour 1.5kgSainsbury's Plain Flour 1.5kgSainsbury'sBest value£0.47/kg£0.702THE PANTRY Plain Flour 1.5 KGTHE PANTRY Plain Flour 1.5 KGAldi£0.47/kg£0.703Stockwell & Co. Plain Flour 1.5KgStockwell & Co. Plain Flour 1.5KgTesco£0.47/kg£0.704Morrisons Plain Flour 1.5kgMorrisons Plain Flour 1.5kgMorrisons£0.47/kg£0.705JUST ESSENTIALS by ASDA Just Essentials Plain Flour 1.5kgJUST ESSENTIALS by ASDA Just Essentials Plain Flour 1.5kgAsda£0.47/kg£0.706BAKE by ASDA Bake by Plain Flour 1.5kgBAKE by ASDA Bake by Plain Flour 1.5kgAsda£0.52/kg£0.787Tesco Plain Flour 1.5KgTesco Plain Flour 1.5KgTesco£0.53/kg£0.808M&S Plain White Flour 1.5kgM&S Plain White Flour 1.5kgM&S£0.53/kg£0.809Ocado British Plain Flour 1.5kgOcado British Plain Flour 1.5kgOcado£0.53/kg£0.8010Sharwood's Indian Sides Flame-Baked Plain Naan Breads 2 Pack 2kgSharwood's Indian Sides Flame-Baked Plain Naan Breads 2 Pack 2kgMorrisons£0.82/kg£1.6511Sainsbury's Plain Flour 500gSainsbury's Plain Flour 500gSainsbury's£0.90/kg£0.4512Essential Plain White FlourEssential Plain White FlourWaitrose£0.90/kg£0.4513M&S Plain White Flour 500gM&S Plain White Flour 500gM&S£0.90/kg£0.4514Ocado British Plain Flour 500gOcado British Plain Flour 500gOcado£0.90/kg£0.4515Patak's Indian Flame Baked Plain Naan Breads 2 pack 2kgPatak's Indian Flame Baked Plain Naan Breads 2 pack 2kgMorrisons£0.95/kg£1.9016Homepride Plain Pre Sieved Flour 1.5kgHomepride Plain Pre Sieved Flour 1.5kgSainsbury's£1.00/kg£1.5017Allinson's Plain Flour 1kgAllinson's Plain Flour 1kgAsda£1.00/kg£1.0018Morrisons Plain Flour 500gMorrisons Plain Flour 500gMorrisons£1.06/kg£0.5319Allinson's Plain White Flour 3kgAllinson's Plain White Flour 3kgTesco£1.08/kg£3.2520Carr's Premium Plain Flour 1KgCarr's Premium Plain Flour 1KgTesco£1.10/kg£1.1021The Clay Oven Bakery Plain Naan Bread 2 pack 2kgThe Clay Oven Bakery Plain Naan Bread 2 pack 2kgMorrisons£1.13/kg£2.2522Be-Ro Plain Flour 1.5kgBe-Ro Plain Flour 1.5kgIceland£1.23/kg£1.8523McDougalls Pre-Sifted Plain Flour 1.5kgMcDougalls Pre-Sifted Plain Flour 1.5kgIceland£1.23/kg£1.8524Homepride Plain FlourHomepride Plain FlourWaitrose£1.33/kg£2.00
See The Live Plain Comparison →

Cheapest Plain: FAQ

Where is the cheapest plain in the UK?

Right now the best value plain is Sainsbury's Plain Flour 1.5kg at Sainsbury's, £0.70 (£0.47/kg). SmartShelf ranks plain by price per unit across 9 supermarkets, updated daily.

Which supermarket is cheapest for plain?

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

How does SmartShelf compare plain 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.