Jack in the Box (800 S Mountain Ave)
4.5 x (500+) • 35 mi • American • burger • Fast Food • $ • Info
x Delivery unavailable
800 south mountain avenue ste a
x $0 delivery fee
Other fees x
Delivery unavailable
Delivery time
4:00 AM - 3:59 AM
Featured items
What's New
- 3pc Classic Mini Chimi Bang Bangs$4.383 crispy, mini chimichangas filled with seasoned, shredded chicken, corn, black beans, herbs & southwest flavors & a side of our signature taco sauce.
- 3pc Sauced & Loaded Mini Chimi Bang Bangs$5.633 crispy mini chimichangas with shredded chicken, corn, black beans, herbs & southwest flavors, loaded w/ 2 types of cheddar cheese, lettuce & taco sauce.
- Chicken & Waffle Sticks$8.11Two 100% all-white meat, crispy chicken strips, plus three waffle sticks, served with a side of syrup for your dipping enjoyment at any time of day.
- 3pc Waffle Sticks$3.75Crispy on the outside, fluffy on the inside, 3 delicious waffle sticks are served with a side of syrup. You’re going to want these, okay? They’re awesome.
- 2pc Spicy Chicken Strips Snack Box$6.88Two spicy 100% all white meat chicken strips, hot & salty fries and the choice between two brand new sauces for dipping, it’s the perfect snack box.
- Large 3pc Spicy Chicken Strips Combo$15.10They’re back & as crispy & juicy as ever! 3 100% all-white meat Spicy Chicken Strips, the choice between 2 brand new sauces, hot & salty fries & a drink.
- 3pc Spicy Chicken Strips$9.11They’re back & as crispy & juicy as ever! Three 100% all-white meat Spicy Chicken Strips & the choice between two brand new sauces, perfect for dipping.
- Large 5pc Spicy Chicken Strip Combo$17.60They’re back & as crispy & juicy as ever! 5 100% all-white meat Spicy Chicken Strips, the choice between 2 brand new sauces, hot & salty fries & a drink.
- 5pc Spicy Chicken Strips$11.61They’re back & as crispy & juicy as ever! 5 100% all-white meat Spicy Chicken Strips & the choice between 2 brand new sauces for dipping. Now that’s hot.
- Large Bacon & Swiss Buttery Smashed Jack™ Combo$17.10Melted garlic herb butter on our new ¼ lb. smashed patty, hickory smoked bacon, Swiss cheese & bacon mayo on our signature brioche bun, plus fries & drink.
- Bacon & Swiss Buttery Smashed Jack™$11.74Melted garlic herb butter on our new ¼ lb. smashed patty, hickory smoked bacon, melty, natural Swiss cheese & bacon mayo on our signature brioche bun.
- Large Classic Buttery Smashed Jack™ Combo$16.10Melted garlic herb butter on our new ¼ lb. smashed patty, natural Swiss cheese, lettuce, tomato, ketchup & mayo on a signature brioche bun + fries & drink.
- Classic Buttery Smashed Jack™$10.74Melted garlic herb butter on our new ¼ lb. smashed patty, melty, natural Swiss cheese, lettuce, tomato, ketchup & mayo, all on our signature brioche bun.
- Large Coca-Cola® Mini Chimi Chaser$3.99A refreshing, bold Coke® with a cherry twist flavor that goes great with Mini Chimi Bang Bangs. A dynamic duo almost as iconic as Deadpool & Wolverine.
- Large Dr Jack Twisted Soda$4.99The light bulb. The car. Some inventions are life-changing, like Dr Pepper with sweetened cream & vanilla & finished with whipped topping & a cherry.
- Large Sprite® Strawberries & Cream Twisted Soda$4.99You’re gonna need a straw for this berry. Sprite® on ice mixed with strawberry flavor, sweetened cream & vanilla, finished with whipped topping & cherry.
- Large Fanta® Orange Swirl Twisted Soda$4.99Large Orange Fanta® mixed with sweetened cream & vanilla, finished with whipped topping & a cherry. Orange you glad Jack made this? Sorry, had to do it.
Burger Combos
- Large Bacon Ultimate Cheeseburger™ Combo$16.35 • 87% (32)Includes large French Fries and your choice of a large drink.
- Large Ultimate Cheeseburger™ Combo$15.35 • 89% (19)Includes large French Fries and your choice of a large drink.
- Large Jumbo Jack® Cheeseburger Combo$14.10 • 90% (21)Includes large French Fries and your choice of a large drink.
Chicken & Salad 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).
