Prices updated daily — 3 June 2026
Product type overview
portobello mushrooms sits within Fresh Herbs & Mushrooms, part of Vegetables & Fruit. On this page you compare 4 products from 6 UK supermarkets: Tesco, Sainsbury's, ASDA, Aldi, Morrisons and Waitrose. The lowest unit price for portobello mushrooms is £8.00/kg at Morrisons. In total, 1 variants of portobello mushrooms are compared (different pack sizes and compositions). All prices are normalised to the same unit (per kilogram, per litre or per piece) so that packs of different sizes can be compared fairly — a larger pack is not automatically the best value. The ranking below shows, per variant, which supermarket currently has the sharpest price, including own-label products alongside national brands. Prices refresh daily from the retailers' own public price lists, so you never see stale offers when planning your weekly shop. Allsupers uses no affiliate links or paid placement; the ranking is purely price-based and updated from public data.
Cheapest portobello mushrooms
Compare 4 products across 6 supermarkets
portobello mushrooms — compare prices across 6 supermarkets

Morrisons The Best
Morrisons The Best On Market Street Baby Portobello Mushrooms 250g
250 g
£8.00/kg
at 1 supermarket

Waitrose Ltd
Waitrose Portabella Mushrooms
150 g
£8.33/kg
at 1 supermarket

Sainsbury's
Sainsbury's Portabello Vitamin D Mushrooms 150g
150 g
£8.33/kg
at 1 supermarket

TESCO finest
Tesco Finest Portobello Vitamin D Mushrooms
Price per unit unknown
at 1 supermarket