Classic golden onion rings. *Product is cooked in the same oil as chicken.
Contains: Milk, Egg, Soya, Celery, Mustard
May contain: Gluten, Wheat
The Burger King Onion Rings costs £2.79 and carries 225 kcal. Classic golden onion rings. *Product is cooked in the same oil as chicken. It sits in the sides section of the UK menu, alongside 9 other items.
A single serving carries 9.8g of fat, 2.2g of it saturated, 0.4g of salt, 7 percent of the 6g daily maximum.
At 90g the Onion Rings works out at roughly 250 kcal per 100g. That makes it squarely mid range for this kind of food, meaning what you see is roughly what you get.
Against the rest of the sides range it ranks 2 of 7 on price, so it sits toward the cheaper end. Nothing costs less than Fries at £2.49, and Chicken Nuggets at £4.69 is the ceiling.
On calories it lands 109 kcal below the sides average of 334 kcal. If the count matters more than the craving, Monster Original 500Ml lands in the same place at 237 kcal.
It comes in more than one size. 6pc Onion Rings is £2.79 and 20 Onion Rings is £4.99, and the step up rarely scales evenly, so the larger portion usually costs less per gram. The full size table sits above.
The declared allergens are milk, egg, soya, celery, mustard. It may also contain gluten, wheat through shared preparation, which matters more than the headline list if you are avoiding something strictly. All of that is published by Burger King UK under the fourteen allergen rules. It says nothing about how any one restaurant handles preparation, which is worth asking about directly for a serious allergy.
If you are building a full order, Fries at £2.49 and Halloumi Fries at £4.49 sit in the same section and are the obvious companions. The full menu price list shows what the whole order comes to, and the calorie calculator totals the nutrition as you add items.
Values are approximate and come from Burger King UK published nutrition data. Updated 30 June 2026. Report an error.
| Option | Price | Calories |
|---|---|---|
| 6pc Onion Rings | £2.79 | 225 kcal |
| 9 Onion Rings | £3.29 | 337 kcal |
| 20 Onion Rings | £4.99 | 749 kcal |
Every option shown comes from the same restaurant price list, so the figures compare like for like. Prices vary by restaurant.
The only two things that go wrong with onion rings at home are wet coating and cool oil. Fix both and they come out close to the counter version.
A dip on the side and something cold. These work as a side or as part of a sharing plate.
Juicy chicken strips made with 100% chicken breast, wrapped in a crispy, golden coating packed with the flavour of Pringles Sour Cream & Onion. Each bite delivers the perfect combination of succulent chicken fries with the iconic onion taste and savoury sour cream flavours.
A large portion of our classic golden fries smothered in a truffle sauce and crispy onions.
Juicy chicken strips made with 100% chicken breast, wrapped in a crispy, golden coating packed with the perfect balance of garlic, onion and a hint of green jalapeños spice
Crispy coated with smooth and spicy cheese inside. A unique taste of chilli with every bite. *Product is cooked in the same oil as chicken
Every Burger King UK item with its price and calorie count, sortable in one view.
A Onion Rings costs £2.79 at a standard Burger King restaurant in the UK. Delivery apps show a higher number for the identical item, so this figure only holds if you walk in or collect.
The Onion Rings contains 225 kcal, which is 11 percent of a 2,000 kcal day. UK guidance sets the adult average at 2,000 kcal for women and 2,500 for men, so judge it against the whole day rather than the meal.
It contains milk, egg, soya, celery, mustard. It may also contain gluten, wheat through shared preparation. Burger King UK publishes that against the fourteen allergens UK law names. It describes the recipe, not the branch, so ask at the counter if it matters.
6pc Onion Rings at £2.79, 9 Onion Rings at £3.29, 20 Onion Rings at £4.99. The full size table sits above with the calorie count for each.
It carries 0.4g of salt. UK guidance sets the adult limit at 6g a day, so this is 7 percent of the daily maximum from one item. Salt is the figure that runs out before calories do on a full order here.
Fries and a drink are the usual accompaniment. From the same section, Pringles Sour Cream & Onion Chicken Fries and Truffle Loaded King Fries are worth a look. What those extras come to is set out on the sides menu.
Bite-sized Chicken Nuggets, coated in a crispy tempura. Served with our BK dip.
Tasty chicken wrapped in a special crisp coating, topped with iceberg lettuce, creamy mayo and crowned with a toasted sesame seed bun.
Toasted long sesame bun with crispy chicken, lettuce, creamy mayo, American cheese and crispy bacon.
Two golden, crispy Chicken Royale patties made with 100% chicken breast topped with iceberg lettuce, creamy mayo and crowned with a toasted sesame seed bun.
