McDonald’s fries in the UK typically cost around £1.59 for a small portion, £1.99 for medium, and £2.49 for large in 2026. Prices can vary between restaurants, so your local McDonald’s may charge slightly more or less. If you’re wondering if McDonald’s prices are the same everywhere, the answer is no. Prices may differ by location and ordering method, including in-store, through the app, or for delivery.
McDonald’s offers fries in small, medium, and large sizes, with prices also varying depending on whether you order in-store, through the app, or for delivery.
Whether you’re ordering fries as a side with a burger or simply want a portion on its own, this guide covers McDonald’s fries prices in the UK in 2026, portion sizes, calories, meal upgrades, and ways to get fries for less.
How Much Do McDonald’s Fries Cost in the UK?
The estimated 2026 prices for standard McDonald’s fries are:
| Fries Size | Typical 2026 Price |
| Small Fries | £1.59 |
| Medium Fries | £1.99 |
| Large Fries | £2.49 |
These are typical prices and may vary depending on the restaurant and location. McDonald’s offers fries in three standard sizes, making it easy to choose a portion that suits your appetite and budget.
How Much Are Small Fries at McDonald’s UK?
Small McDonald’s fries cost around £1.59 at typical UK locations in 2026.
Small fries are a good option if you want something alongside your burger without ordering a larger portion. They are also a good choice when you want a light snack on their own.
The exact price may vary by restaurant.
How Much Are Medium Fries at McDonald’s UK?
Medium McDonald’s fries cost around £1.99 in 2026.
Medium fries are commonly included with McDonald’s medium meals, making them a popular choice. You can also order them separately as a side.
How Much Are Large Fries at McDonald’s UK?
Large McDonald’s fries cost around £2.49 at typical UK locations.
Large fries are suitable if you want a bigger portion or have a larger appetite.
McDonald’s also occasionally runs app promotions on large fries. For example, its 2026 Side Missions promotion included two large fries for £2 on selected dates at participating restaurants.
For more details on burger prices, meal deals, and sides, explore our McDonald’s UK menu price guide to compare popular items and find options that fit your budget.
What Sizes Are McDonald’s Fries?
McDonald’s fries in the UK are available in three standard sizes: small, medium, and large.
- Small: A smaller portion for a snack or light side.
- Medium: A popular choice with a standard meal.
- Large: A bigger portion for those who want more fries.
The price and portion size depend on your selection. If you order a meal, you may also have the option to upgrade your fries for an additional charge.
How Many Calories Are in McDonald’s Fries?
If you’re watching your calorie intake, knowing how many calories are in McDonald’s fries can help you choose the right portion.
Typical nutritional information is approximately:
| Fries Size | Approx. Calories |
| Small Fries | 230 kcal |
| Medium Fries | 337 kcal |
| Large Fries | 444 kcal |
Calories can vary slightly depending on serving size and preparation. Check the official McDonald’s UK nutrition information for the latest figures.
What Are McDonald’s Fries Made Of?
McDonald’s fries are made from potatoes that are cut into strips, prepared, and cooked to give them a crispy outside and fluffy inside.
If you’re wondering what McDonald’s fries are made of beyond potatoes, the ingredients and cooking process can include vegetable oils and other ingredients used to prepare and season the fries. The exact ingredient information should be checked on the official McDonald’s UK website, as recipes and allergen details may change.
If you’re also checking the calories in your meal, learning how many calories are in a Big Mac meal can help you understand how the burger, fries, and drink add up to your total calorie intake.
Are McDonald’s Fries Included in a Meal?
Yes. Fries are normally included as the side portion of a McDonald’s meal.
For example, a standard Big Mac Meal generally includes:
- Big Mac
- Medium fries
- Soft drink
You can often choose a larger fries size for an additional charge, depending on the meal and restaurant.
Can You Upgrade to Large Fries?
In many cases, you can upgrade the fries included with a meal from medium to large.
The additional cost depends on the restaurant and the meal you’re ordering. If you’re ordering through the McDonald’s app, the available upgrade options and prices are displayed before you complete your order.
Are McDonald’s Fries Cheaper With the App?
The McDonald’s app can be a good way to find cheaper fries and other menu items.
McDonald’s regularly runs app-exclusive promotions. In 2026, its Side Missions promotion included deals such as two large fries for £2 on selected dates.
Offers are temporary and available only at participating restaurants, so it’s worth checking the app before ordering.
Why Do McDonald’s Fries Prices Vary?
There isn’t one fixed McDonald’s fries price across every UK restaurant.
McDonald’s restaurants operate through a franchise system, and prices can vary from one restaurant to another.
Prices may depend on:
- Restaurant location
- Local pricing
- Current promotions
- Meal offers
- App discounts
- Ordering method
- Delivery charges
A restaurant in central London, for example, may have different prices from a restaurant in another part of the UK.
McDonald’s Fries Price vs Meal
Buying fries separately can make sense when you already have your main item.
| Order | Typical Price |
| Small Fries | £1.59 |
| Medium Fries | £1.99 |
| Large Fries | £2.49 |
| Big Mac Meal with Medium Fries | Varies |
| Two Large Fries promotional offer | £2 on selected 2026 dates |
The best value depends on current promotions and what else you want to order.
Can You Order McDonald’s Fries on Their Own?
Yes. You don’t need to order a burger or meal to buy fries.
You can order small, medium, or large fries on their own, or add them to a larger order as an extra side.
McDonald’s Fries Price Guide UK 2026
Here’s a quick summary of the estimated 2026 prices:
| McDonald’s Fries | Estimated Price |
| Small | £1.59 |
| Medium | £1.99 |
| Large | £2.49 |
Conclusion
In 2026, McDonald’s fries typically cost around £1.59 for small, £1.99 for medium, and £2.49 for large in the UK. However, prices can vary between restaurants, so the exact cost at your local branch may be different.
For the best price, check the McDonald’s UK app for current promotions and discounts before ordering. You can also check the official menu for updated prices, portion sizes, ingredients, and nutrition details.
If you have any questions about our menu price guide or need help finding specific menu information, feel free to get in touch with us.
Frequently Asked Questions
1. How much do McDonald’s fries cost in the UK in 2026?
McDonald’s fries typically cost around £1.59 for small, £1.99 for medium, and £2.49 for large. Prices may vary by restaurant and current offers.
2. What sizes are McDonald’s fries available in?
McDonald’s fries in the UK are available in three sizes: small, medium, and large. You can order them on their own or as part of a meal.
3. How many calories are in McDonald’s fries?
McDonald’s fries contain approximately 230 calories in a small portion, 337 calories in a medium portion, and 444 calories in a large portion. Actual values may vary.
4. What are McDonald’s fries made of?
McDonald’s fries are made from potatoes cut into strips and cooked in vegetable oil. For exact ingredients, cooking details, and allergen information, check the official McDonald’s UK website.
5. Can you get cheaper McDonald’s fries with the app?
Yes. The McDonald’s UK app may offer discounts and special deals on fries. Offers change over time and may only be available at selected restaurants, so check the app before ordering.