In 2025, as the cost of living continues to rise, UK shoppers are increasingly turning to online supermarkets to find the best deals and convenience. Identifying the cheapest online supermarket has become crucial for households aiming to stretch their budgets without compromising on quality. Recent analyses reveal that Aldi maintains its position as the UK’s most affordable supermarket for essential items, with a basket of 100 products costing £182.64 in February 2025. This guide delves into the UK’s leading online supermarkets, comparing prices, delivery options, and special offers to help you determine the cheapest online supermarket that aligns with your shopping preferences and budgetary needs.
10 Cheapest Online Supermarkets
Aldi
As of August 2024, Aldi has ceased its Click & Collect service and does not offer home delivery in the UK. While it remains one of the most affordable supermarkets for in-store shopping, its lack of online shopping options limits its convenience for customers seeking home delivery services.
- Delivery cost: £4.99
- Minimum spend: £20
- Delivery pass: N/A
- First order deal: N/A
- Rewards & loyalty schemes: N/A
Asda
Asda offers a comprehensive online shopping experience with flexible delivery options and a user-friendly app. Customers can choose from a wide range of products and enjoy various delivery slots to suit their schedules. The Asda Rewards program further enhances the shopping experience by providing cashback opportunities.
- Delivery cost: Standard delivery from £2.95; Named Day Delivery from £4.50
- Minimum spend: £40
- Delivery pass: Available from £3.50/month
- First order deal: £20 off a £50 spend
- Rewards & loyalty schemes: Asda Rewards app offering cashback and exclusive deals
Morrisons
Morrisons provides a robust online shopping platform with various delivery options, including same-day delivery through partners like Amazon and Deliveroo. Their delivery pass options cater to different shopping frequencies, and the loyalty program offers additional savings.
- Delivery cost: Start at £1.70
- Minimum spend: £25
- Delivery pass: Starts at 5 pounds a month, 20 pounds for 6 months and 35 pounds for a year
- First order deal: £15 off a £60 spend
- Rewards & loyalty schemes: Morrisons More loyalty program
Iceland
Iceland stands out for its commitment to free delivery services. Customers can enjoy free next-day delivery on orders over £40 and even free same-day delivery when shopping in-store. The Bonus Card loyalty program adds further value with savings and exclusive offers.
- Delivery cost: Free next-day delivery on orders over £40; Same-day delivery available at select stores
- Minimum spend: £40 for online orders
- Delivery pass: Free delivery is available on Iceland’s loyalty card (Iceland Bonus Card). Free next-day delivery is also available on orders over 40 pounds (no passes, points or cards required)
- First order deal: £5 off a £45 spend
- Rewards & loyalty schemes: Bonus Card offering savings and exclusive deals
Tesco
Tesco’s online shopping platform offers a wide range of products with flexible delivery and Click & Collect options. The Clubcard Plus program provides additional savings, making it a popular choice for regular shoppers.
- Delivery cost: Start from £3
- Minimum spend: £50 for delivery
- Delivery pass: Starts at £7.99 a month with a 6-month plan
- First order deal: Varies offers
- Rewards & loyalty schemes: Clubcard and Clubcard Plus programs
Sainsbury’s
Morrisons provides a robust online shopping platform with various delivery options, including same-day delivery through partners like Amazon and Deliveroo. Their delivery pass options cater to different shopping frequencies, and the loyalty program offers additional savings.
- Delivery cost: £1–£7 depending on order value and slot
- Minimum spend: £25
- Delivery pass: Available in monthly, 6-month, or 12-month plans
- First order deal: £18 off a £60 spend
- Rewards & loyalty schemes: Nectar loyalty program
Ocado
Ocado provides a premium online shopping experience with a vast selection of products, including exclusive M&S items. Their Smart Pass offers benefits like free delivery and priority access to delivery slots, catering to frequent online shoppers.
- Delivery cost: From £0.99; free with Smart Pass on orders over £40
- Minimum spend: £40
- Delivery pass: Smart Pass starting at £3.99/month
- First order deal: 25% off a £60 spend plus three months free delivery
- Rewards & loyalty schemes: Smart Pass benefits
Waitrose
Waitrose offers a high-quality online shopping experience with a focus on fresh and premium products. While they don’t have a delivery pass, their partnerships with delivery services like Deliveroo and Uber Eats provide rapid delivery options.
- Delivery cost: From £3
- Minimum spend: £40
- Delivery pass: N/A
- First order deal: Varies offers
- Rewards & loyalty schemes: myWaitrose loyalty card
M&S
M&S offers online grocery shopping through its partnership with Ocado, providing access to a range of premium products. While their own online service is temporarily suspended, customers can still shop M&S products via Ocado.
- Delivery cost: From £0.99 via Ocado
- Minimum spend: £40
- Delivery pass: Available through Ocado’s Smart Pass
- First order deal: 25% off a £60 spend via Ocado
- Rewards & loyalty schemes: Sparks loyalty program
Co-op
Co-op provides convenient online shopping through partnerships with Deliveroo, Just Eat, and Uber Eats, offering rapid delivery services. Their membership program allows customers to earn rewards on purchases, enhancing the overall shopping experience.
- Delivery cost: From £1.99
- Minimum spend: £15
- Delivery pass: N/A
- First order deal: Varies offers
- Rewards & loyalty schemes: Co-op Membership program
| 10 Cheapest Online Supermarkets | |||||
|---|---|---|---|---|---|
| Supermarket | Delivery cost | Minimum spend | Delivery pass | First order deal | Rewards |
| Aldi | £4.99 | £20 | N/A | N/A | N/A |
| Asda | Standard from £2.95; Named Day from £4.50 | £40 | From £3.50/month | Yes | Yes |
| Morrisons | From £1.70 | £25 | From £5/month; £20/6mo; £35/yr | Yes | Yes |
| Iceland | Free next-day (orders >£40); Free same-day (in-store) | £40 | Free with Bonus Card; no pass needed for >£40 | Yes | Yes |
| Tesco | From £3 | £50 | From £7.99/month (6mo plan) | Yes | Yes |
| Sainsbury’s | £1–£7 (varies by order/slot) | £25 | Monthly/6mo/12mo plans | Yes | Yes |
| Ocado | From £0.99; free with Smart Pass (>£40) | £40 | Smart Pass from £3.99/month | Yes | Yes |
| Waitrose | From £3 | £40 | N/A | Yes | Yes |
| M&S | From £0.99 (via Ocado) | £40 | Via Ocado’s Smart Pass | Yes | Yes |
| Co-op | From £1.99 | £15 | N/A | Yes | Yes |
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Save Money on Online Grocery Shopping
Saving money on online grocery shopping requires strategic planning and smart use of tools. Based on proven methods used by savvy shoppers, here are the most effective strategies:
Leverage Digital Tools
Use apps like Flipp: Aggregate weekly flyers from major stores to compare prices instantly. Plan your list around the lowest prices, then price-match at your preferred store.
Loyalty apps: Combine with store-specific apps (e.g., Asda Rewards, Tesco Clubcard) for exclusive coupons and cashback.
Choose off-peak delivery
Delivery charges at most supermarkets fluctuate depending on the time of day, with less popular times such as weekday afternoons or midweek mornings usually costing less. Sainsbury’s, for example, has a standard delivery charge range of £1-£7, but by actively choosing the less popular late afternoon hours (e.g. 14:00-16:00 on weekdays), the charge can be reduced to as little as £1, which can add up to a significant reduction in expenditure over time. This strategy is particularly suited to households with more flexible schedules – no additional membership fees are required and savings can be realised simply by adjusting collection times. Some platforms, such as Ocado’s ‘Smart Pass’ membership, include free delivery, but if you don’t shop very often, it may be more economical to book a single off-peak delivery directly.
Optimize Delivery Costs
Compare minimum spends: Choose stores aligning with your budget (e.g., Co-op (£15) vs. Tesco (£50)).
Delivery passes: For frequent shoppers, Asda (£3.50/month) or Ocado Smart Pass (£3.99/month) offer unlimited deliveries, often breaking even after 2–3 orders.
Free delivery options: Iceland offers free next-day delivery for orders >£40 without a pass.
Maximize First-Time & Loyalty Deals
First-order discounts: Use sign-up offers like Asda (£20 off £50) or Morrisons (£15 off £60).
Stack rewards: Pair loyalty programs (e.g., Sainsbury’s Nectar, Morrisons More) with coupons for compounded savings. Example: Iceland Bonus Card members get free delivery + exclusive deals.
Time Your Purchases
Flash sales: Check apps for midweek markdowns on perishables.
Seasonal produce: Buy in-season items for lower prices (e.g., berries in summer, root veggies in winter).
Buy discounted food from Approved Food
‘Specialist discount platforms such as Approved Food specialise in near-expiry but good quality food, often at prices as low as 30-70% off the original price. For example, Oriental Mart offers free shipping on dry foods (e.g. cereals, canned goods) over £55, while similar platforms often clear out expired biscuits, spices or packaged staples for £1-£3, making them ideal for families with large quantities. These items have a shorter shelf life (usually 1-3 months), but the safety and flavour are not compromised, making them particularly suitable for everyday items that can be consumed quickly (e.g. pasta, ground coffee).
Conclusion
In conclusion, navigating the world of online grocery shopping in the UK doesn’t have to break the bank. The supermarkets highlighted offer a range of options to suit different budgets and needs, ensuring you can enjoy the convenience of home delivery without compromising on quality or price. By keeping an eye on deals, delivery costs, and perhaps even considering value-focused own-brand products, you can make the most of these affordable online supermarkets and streamline your grocery shopping experience in 2025.
FAQ
What's the cheapest online food shop?
Tesco had the cheapest average basket price at £135.95, making it the most affordable online supermarket in the UK. Both Tesco and Lidl (with and without a loyalty card) were cheaper than shopping at Asda or Tesco.
Who is best for online food shopping?
Ocado and Tesco both received a customer score of 79% for online shopping. Ocado offers 1-hour delivery slots, while Tesco has a Delivery Saver plan. Consider your priorities when choosing.
Which UK supermarket has the cheapest delivery?
Amazon Fresh offers free delivery on orders over £60. Asda’s delivery costs range from £1 to £7 depending on the slot. Tesco’s delivery charges are between £3 and £5.
Where is cheapest to food shop UK?
Tesco was found to be the cheapest supermarket in the UK as of April 2025, with an average basket price of £135.95.
What is the cheapest way to order groceries online?
Many supermarkets offer delivery passes, such as Asda and Tesco. Consider which supermarket you use most frequently and see if their delivery pass can save you money over time.
Can I get Aldi delivered?
Aldi’s website indicates they offer special buys online but doesn’t specify standard grocery delivery. However, many supermarkets do send out orders through delivery apps like Just Eat and Deliveroo.
