What is the cheapest petrol in St Helens today?

The cheapest petrol in St Helens is 165.9p per litre at BP ASDA SHERDLEY PARK EXPRESS PETROL, based on 8 stations with live prices. Unleaded (E10) averages 168.0p per litre.

What is the cheapest diesel in St Helens today?

The cheapest diesel in St Helens is 188.7p per litre at Asda ASDA ST HELENS SUPERSTORE, based on 8 stations with live prices. Diesel averages 190.4p per litre.

Are supermarket petrol stations cheaper in St Helens?

Yes. Supermarket forecourts in St Helens currently average 167.3p per litre for unleaded, 1.9p less than the 169.2p average at branded and independent stations.

St Helens Fuel Prices

Find the cheapest petrol and diesel in St Helens. Live prices from 13 fuel stations, updated hourly from the official Fuel Finder feed.

Fuel price answer

cheapest petrol and diesel in St Helens

As of 18 September 2026, the cheapest unleaded petrol in St Helens is 165.9p/L at BP ASDA SHERDLEY PARK EXPRESS PETROL, the cheapest diesel in St Helens is 188.7p/L at Asda ASDA ST HELENS SUPERSTORE. Across 8 stations, unleaded averages 168.0p/L and diesel 190.4p/L. Supermarket forecourts in St Helens average 1.9p/L less than branded stations for unleaded.

Unleaded (E10)

165.9p cheapest

Avg 168.0pHigh 173.9pSpread 8.0p8 priced

Diesel

188.7p cheapest

Avg 190.4pHigh 194.9pSpread 6.2p8 priced

Cheapest Unleaded (E10) in St Helens

1. BP — ASDA SHERDLEY PARK EXPRESS PETROL · ST HELENS165.9p
2. Asda — ASDA ST HELENS SUPERSTORE · ST HELENS166.7p
3. Tesco — ST HELENS EXTRA - PETROL FILLING STATION · ST HELENS166.9p
4. Tesco — WINDLE ISLAND EXPRESS · ST HELENS166.9p
5. Morrisons — MFG MORRISONS ST HELENS BOUNDARY ROAD · ST HELENS167.9p

Cheapest Diesel in St Helens

1. Asda — ASDA ST HELENS SUPERSTORE · ST HELENS188.7p
2. Tesco — ST HELENS EXTRA - PETROL FILLING STATION · ST HELENS188.9p
3. Tesco — WINDLE ISLAND EXPRESS · ST HELENS188.9p
4. BP — ASDA SHERDLEY PARK EXPRESS PETROL · ST HELENS189.9p
5. Morrisons — MFG MORRISONS ST HELENS BOUNDARY ROAD · ST HELENS189.9p

Data freshness

Updated 16 Sept 2026, 22:56

Methodology

PetrolPal groups stations by country, region, and city from postcode-derived location data. Local pages are designed to help drivers compare nearby petrol and diesel prices before choosing where to fill up.

Citation

Source: PetrolPal, using official UK forecourt fuel price data. Cite: https://petrolpal.co.uk/fuel-prices/england/north-west/st-helens

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About St Helens Fuel Prices

PetrolPal tracks live fuel prices in St Helens using official UK Government data, updated hourly. Compare petrol and diesel prices from supermarkets, branded stations, and independents to find the cheapest fuel near you.

Prices in St Helens are based on stations in the North West region of England. View the St Helens statistics page for detailed price analytics including brand averages, price distribution, and historical trends.

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