Jack in the Box (800 S Mountain Ave)
4.6 x (500+) • 369.5 mi • American • burger • Fast Food • $ • Info
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800 south mountain avenue ste a
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4:00 AM - 3:59 AM
Featured items
What's New
- Spicy Sauced & Loaded Popcorn Chicken Big Box Combo$13.74Includes curly fries and your choice of a drink.
- Large Spicy Sauced & Loaded Popcorn Chicken Combo$11.60Includes large curly fries and your choice of a large drink.
- Spicy Sauced & Loaded Popcorn Chicken$8.11Juicy pieces of 100% all-white meat Spicy Popcorn Chicken, loaded with cheddar cheese sauce, shredded cheddar cheese, Good Good Sauce & buttermilk ranch.
- Classic Sauced & Loaded Popcorn Chicken Big Box Combo$13.74Includes curly fries and choice of drink.
- Large Classic Sauced & Loaded Popcorn Chicken Combo$11.60Includes large curly fries and your choice of a large drink.
- Classic Sauced & Loaded Popcorn Chicken$8.11Juicy pieces of 100% all-white meat Classic Popcorn Chicken, loaded with cheddar cheese sauce, shredded cheddar cheese, Good Good Sauce & buttermilk ranch.
- Spicy Popcorn Chicken Big Box Combo$12.49Includes curly fries and choice of drink.
- Large Spicy Popcorn Chicken Combo$10.35Includes large curly fries and your choice of a large drink.Popular
- Spicy Popcorn Chicken$6.86If you're a fan of spice, you'll love this. Jack's Spicy Popcorn Chicken made with juicy pieces of 100% all-white meat chicken, dipped in Good Good Sauce.Popular
- Classic Popcorn Chicken Big Box Combo$12.49Includes curly fries and choice of drink.
- Large Classic Popcorn Chicken Combo$10.35Includes large curly fries and your choice of a large drink.Popular
- Classic Popcorn Chicken$6.86Nothing beats the classics. Or Jack's Classic Popcorn Chicken made with juicy pieces of 100% all-white meat chicken, dipped in Good Good Sauce.Popular
- Large Bacon Double Smashed Jack Combo$18.85Two 1/4lb smashed patties made with 100% seasoned beef, hickory smoked bacon, cheese, pickles, grilled onions & Boss Sauce on brioche plus fries & drink.
- Bacon Double Smashed Jack$12.99Two 1/4lb smashed patties made with 100% seasoned beef, hickory smoked bacon, American cheese, pickles, grilled onions & new Boss Sauce on a brioche bun.
- Large Classic Smashed Jack Combo$15.85Includes large French Fries and your choice of a large drink.
- Classic Smashed Jack$10.241/4lb smashed patty made with 100% seasoned beef, melty American cheese, pickles, grilled onions & new Boss Sauce on a soft brioche bun. Your new fave.
- Sauced & Loaded Spicy Tiny Tacos$6.25The Tiny Tacos you love, now spicy! Crunchy, bite-size Spicy Tiny Tacos loaded with cheddar cheese sauce, shredded cheddar, shredded lettuce & taco sauce.Popular
- Classic Spicy Tiny Tacos$5.00The Tiny Tacos you love, now spicy! Crunchy, bite-size Spicy Tiny Tacos with the perfect amount of spice with Jack's Famous Buttermilk Ranch for dipping.
- Jack's Fan Favs Box$12.50All your favorite sides, together at last. Spicy Tiny Tacos, Original Tiny Tacos, Curly Fries & Panko Onion Rings w/ Buttermilk Ranch & Avocado Lime sauce.
- Bacon, Egg & Cheese Biscuit Combo$8.74Includes hash brown and your choice of a large drink.
Burger Combos
Chicken Combos
Breakfast Combos
Late Night
Tacos, Fries & Sides
Shakes & Desserts
Drinks
Burgers
Chicken & Salads
Breakfast
What is the address of Jack in the Box (800 S Mountain Ave) in Ontario?
Jack in the Box (800 S Mountain Ave) is located at: 800 S Mountain Ave , Ontario
Is the menu for Jack in the Box (800 S Mountain Ave) available online?
Yes, you can access the menu for Jack in the Box (800 S Mountain Ave) online on Postmates. Follow the link to see the full menu available for delivery and pickup.
What are the most popular items on the Jack in the Box (800 S Mountain Ave) menu?
The most ordered items from Jack in the Box (800 S Mountain Ave) are: Large Chicken Nuggets (10) Combo, Large Bacon Ultimate Cheeseburger™ Combo, Large Jumbo Jack® Cheeseburger Combo.
Does Jack in the Box (800 S Mountain Ave) offer delivery in Ontario?
Yes, Jack in the Box (800 S Mountain Ave) offers delivery in Ontario via Postmates. Enter your delivery address to see if you are within the Jack in the Box (800 S Mountain Ave) delivery radius, then place your order.
Can I get free delivery from Jack in the Box (800 S Mountain Ave)?
Delivery fees for Jack in the Box (800 S Mountain Ave) vary. Just enter your delivery address to see the delivery fee for your location. You could always get free delivery from Jack in the Box (800 S Mountain Ave) with Postmates Unlimited.
Can I pick up my order from Jack in the Box (800 S Mountain Ave)?
Postmates offers pickup from many restaurants in your city. To see if you can pick up your order from Jack in the Box (800 S Mountain Ave), add items to your cart and look for the ‘pickup’ option at checkout.
Can I schedule a delivery order from Jack in the Box (800 S Mountain Ave)?
Some restaurants on Postmates allow you to schedule a delivery to show up at your location when you want it. At checkout, look for the option to select a delivery time. If it’s there, that means you can schedule your delivery from Jack in the Box (800 S Mountain Ave).
