Cheapest Oat in the UK

Prices updated 15 November 2026 · 554 products across 9 supermarkets

The best-value oat in the UK right now is ACTILEAF No Sugars Oat Drink 1 L at Aldi — £1.09/litre (£1.09).

554Products Compared

9Supermarkets

£1.09Lowest /Litre

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

ACTILEAF No Sugars Oat Drink 1 LAldiBest value£1.09/litre£1.09 2

ACTILEAF Barista Style Oat Drink 1 LAldi£1.09/litre£1.09 3

Oatly Barista Edition Coconut FlavourWaitrose£1.20/litre£1.20 4

MOMA Immunity Support OatWaitrose£1.34/litre£1.00 5

Tesco Long Life Oat Original 1LTesco£1.40/litre£1.40 6

Tesco Oat Drink 1LTesco£1.45/litre£1.45 7

Mighty Milkology Ultimate Oat Barista 1lAsda£1.48/litre£1.48 8

Oatly Oat Drink Organic 1L Long lifeAsda£1.48/litre£1.48 9

Sainsbury's Long Life Oat Drink 1LSainsbury's£1.50/litre£1.50 10

Sainsbury's Oat Drink 1LSainsbury's£1.50/litre£1.50 11

Essential Unsweetened Long Life Oat DrinkWaitrose£1.50/litre£1.50 12

MOMA Oat Barista Dairy Free DrinkWaitrose£1.50/litre£1.50 13

Essential Unsweetened Oat DrinkWaitrose£1.50/litre£1.50 14

Minor Figures Wildfarmed Oat BaristaWaitrose£1.50/litre£1.50 15

Oatly! Oat Drink Barista Organic Long LifeWaitrose£1.50/litre£1.50 16

Waitrose Oat Barista Long Life DrinkWaitrose£1.50/litre£1.50 17

Califia Farms Oat Barista Blend Long Life DrinkWaitrose£1.50/litre£1.50 18

MOMA Barista Oat Drink Unsweetened 1LMorrisons£1.50/litre£1.50 19

Morrisons Oat Milk 1LMorrisons£1.50/litre£1.50 20

Oatly! Oat Drink Barista Edition Long LifeWaitrose£1.53/litre£1.53 21

Morrisons Long Life Oat Barista Drink 1LMorrisons£1.55/litre£1.55 22

Plant Based by ASDA Oat Barista Drink 1 LitreAsda£1.55/litre£1.55 23

Tesco Barista Oat Drink 1LTesco£1.55/litre£1.55 24

Sainsbury's Long Life Oat Barista 1LSainsbury's£1.55/litre£1.55

See The Live Oat Comparison →

Cheapest Oat: FAQ

Where is the cheapest oat in the UK?

Right now the best value oat is ACTILEAF No Sugars Oat Drink 1 L at Aldi, £1.09 (£1.09/litre). SmartShelf ranks oat by price per unit across 9 supermarkets, updated daily.

Which supermarket is cheapest for oat?

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

How does SmartShelf compare oat 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.