Cheapest Prawns in the UK

Prices updated 15 August 2026 · 143 products across 7 supermarkets

The best-value prawns in the UK right now is Morrisons King Prawn Teriyaki Noodle Fresh Meal Bag for 2 700g at Morrisons — £7.14/kg (£5.00).

143Products Compared

7Supermarkets

£7.14Lowest /Kg

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

#	Product	Store	Price	Per Unit
1	Morrisons King Prawn Teriyaki Noodle Fresh Meal Bag for 2 700g	Morrisons	£5.00	£7.14/kg
2	Whitby Seafoods Breaded Prawns 132g	Asda	£1.30	£9.85/kg
3	Morrisons Savers Frozen Prawns 200g	Morrisons	£2.03	£10.15/kg
4	Morrisons The Best Chilli King Prawn Linguine 400g	Morrisons	£4.75	£11.88/kg
5	Sainsbury's Sweet Chilli Scottish Salmon & ASC King Prawn Fi...	Sainsbury's	£3.75	£12.93/kg
6	THE FISHMONGER Cooked & Peeled Coldwater Prawns 0.15 KG	Aldi	£1.99	£13.27/kg
7	Bom Bahia by ASDA Bom Bahia King Prawn Bhuna 400g	Asda	£5.50	£13.75/kg
8	Sainsbury's Frozen Raw Shell on Jumbo King Prawns ASC, Taste...	Sainsbury's	£8.50	£14.17/kg
9	Sainsbury's Frozen Cooked & Peeled Large King Prawns ASC 400...	Sainsbury's	£5.86	£14.65/kg
10	Tesco Raw King Prawns 170G	Tesco	£2.49	£14.65/kg
11	Sainsbury's Frozen Large Raw Peeled King Prawns ASC 180g	Sainsbury's	£2.64	£14.67/kg
12	Sainsbury's Frozen Large Cooked & Peeled King Prawns ASC 180...	Sainsbury's	£2.64	£14.67/kg
13	Crown Farms Big Bag Cooked & Peeled King Prawns 875g	Morrisons	£13.00	£14.86/kg
14	Morrisons Garlic & Herb Prawns 200g	Morrisons	£3.00	£15.00/kg
15	Morrisons King Prawns With Seafood Sauce 100g	Morrisons	£1.50	£15.00/kg
16	TGI Fridays Creole Prawns With Smoky BBQ Sauce 250g	Morrisons	£4.00	£16.00/kg
17	The Real Seafood Co. King Prawns 140g	Sainsbury's	£2.32	£16.57/kg
18	THE FISHMONGER Cooked & Peeled King Prawns 0.15 KG	Aldi	£2.49	£16.60/kg
19	JUST ESSENTIALS by ASDA Cooked & Peeled Prawns 150g	Asda	£2.49	£16.60/kg
20	Seachill Cooked& Peeled King Prawns 150G	Tesco	£2.49	£16.60/kg
21	Morrisons Savers King Prawns 150g	Morrisons	£2.49	£16.60/kg
22	Bay Fishmongers King Prawns 150G	Tesco	£2.49	£16.60/kg
23	ASDA Garlic & Herb King Prawns 240g	Asda	£4.00	£16.67/kg
24	Morrisons Savers Coldwater Prawns 180g	Morrisons	£3.00	£16.67/kg

See The Live Prawns Comparison →

Cheapest Prawns: FAQ

Where is the cheapest prawns in the UK?

Right now the best value prawns is Morrisons King Prawn Teriyaki Noodle Fresh Meal Bag for 2 700g at Morrisons, £5.00 (£7.14/kg). SmartShelf ranks prawns by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for prawns?

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

How does SmartShelf compare prawns 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.