Jack in the Box Sourdough Jack Menu 2026: Prices, Calories & Combos
✓ Prices Last Verified: June 2026 — via official Jack in the Box app & jackinthebox.com
Looking for the latest Jack in the Box Sourdough Jack menu with updated prices and calories? This 2026 guide covers everything you need, including ingredients, combos, and nutritional details to help you choose the best option.
The Sourdough Jack is a classic menu item known for its rich flavour, crispy bacon, and toasted sourdough bread. Its slightly tangy taste and hearty ingredients make it a satisfying choice for burger lovers.
You can also explore other burger options, such as the Burger Menu, Smash Burger, Cheeseburger Menu, or Jumbo Jack, for more variety.
What’s on the Jack in the Box Sourdough Jack Menu?
The Jack in the Box Sourdough Jack menu features the classic Sourdough Jack and its bolder sibling, the Double Sourdough Jack. Both are served on toasted sourdough bread with a beef patty, hickory-smoked bacon, Swiss-style cheese, tomatoes, mayo, and ketchup.
The Sourdough Jack is known for its balanced flavour, combining crispy bacon, melted cheese, and toasted sourdough bread. Its rich and slightly tangy taste makes it a satisfying choice for burger lovers. Some people also prefer to add pickles for extra flavor.
Menu Table: Sourdough Jack Options
The Jack in the Box sourdough Jack menu price and nutritional info vary by item. Below is the 2026 menu table, based on web data:
| Item Name | Description | Calories | Price |
| Sourdough Jack | Beef patty, bacon, Swiss-style cheese, mayo, ketchup on sourdough. | 700 | $6.99 |
| Double Sourdough Jack | Two beef patties, bacon, double cheese, mayo, ketchup on sourdough. | 1040 | $9.49 |
| Sourdough Jack Combo | Sourdough Jack, curly fries, and a drink. | 900-1200 | $12.49 |
Prices may vary by location, with prices in Hawaii slightly higher (e.g., $8.99 for Sourdough Jack). Combos include fries and a drink.
Explore the full Jack in the Box menu for more options.
Nutritional Info and Calories
The Jack in the Box Sourdough Jack nutrition facts show that it has 700 calories, 45g of fat, 39g of carbs, and 35g of protein, per MyNetDiary. The Double Sourdough Jack jumps to 1040 calories due to extra beef and cheese. Allergens include milk, eggs, soy, and wheat, with customization (e.g., no mayo) slightly reducing sourdough jack calories. Always check jackinthebox.com for exact details.
Why Choose the Sourdough Jack?
The Jack in the Box Sourdough Jack stands out for its toasted sourdough, which adds a tangy crunch, unlike the brioche-based Smashed Jack. The Sourdough Jack remains a popular choice due to its classic recipe and consistent taste. Its unique sourdough bread sets it apart from typical fast-food burgers.
While some users may find it slightly expensive, the Sourdough Jack offers a richer, more filling experience than many fast-food burgers. Its high protein content (35g) makes it a satisfying meal, and its availability throughout the day makes it a convenient option for any time. The combo meal is especially popular because it includes fries and a drink, making it a complete and balanced choice.
Tips for Enjoying Your Sourdough Jack
- Use the App: Use code “GOPADRES25” to score deals, like a free Sourdough Jack with a $1 purchase.
- Customize: Add grilled onions or skip mayo to tweak Jack in the Box menu calories sourdough jack.
- Order the Combo: The Jack in the Box sourdough Jack combo ($12.49) saves money by including fries and a drink.
- Pair Smart: Try with a shake or iced coffee for a complete meal.
Is It Worth It?
At $7.99-$9.49, the Jack in the Box Double Sourdough Jack and classic versions offer value for their hearty portions and bold flavors. The 700-calorie Sourdough Jack is a satisfying choice, though calorie-conscious diners may prefer lighter options like the Jr. Jumbo Jack. It remains a reliable choice for burger lovers who enjoy bold flavors and a hearty meal. It’s a reliable pick for burger lovers, outshining many fast-food competitors.
Conclusion
In this article, we explored the Jack in the Box Sourdough Jack Menu, including its 2026 prices, nutrition information, and combo options. From the classic 700-calorie sandwich to the Double Sourdough Jack, it’s a savory treat with lasting appeal. If you enjoy visiting Jack in the Box at different locations, check the Jack in the Box Hawaii Menu or the Jack in the Box Las Vegas Menu for regional details. Order online or visit Jack in the Box to enjoy this tangy, bacon-packed burger today!
