4.5
1500+ Ratings
Jack in the Box (8134 Sierra Ave)
4.5 x (1,500+) • 376.7 mi • American • burger • Fast Food • Group Friendly • $ • Info
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8134 Sierra Ave
Jack in the Box, located on Sierra Ave in Fontana, is a fast food restaurant known for its variety of hearty meals. The menu features a wide selection of burger and chicken combos such as the Large Bacon Ultima... More
Jack in the Box, located on Sierra Ave in Fontana, is a fast food restaurant known for its variety of hearty meals. The menu features a wide selection of burger and chicken combos such as the Large Bacon Ultimate Cheeseburger™ Combo and the Large Jack's Spicy Chicken® w/ Cheese Combo. Breakfast offerings include items like the Meat Lovers Burrito and the Supreme Croissant. Among the most popular items are the Build Your Own Munchie Meal and Two Tacos, which are also commonly ordered together. The restaurant enjoys a customer rating of approximately 4.3. Less
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Rating and reviews
"Everything was there in my order and everything was delicious"
• Regina B. • 08/06/23
"Tacos and egg rolls is delicious specially the shake!!!!"
• cristy B. • 10/20/23
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Every Day
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$11.48Includes large curly fries and your choice of a large drink.
- Spicy Sauced & Loaded Popcorn Chicken$7.86Juicy pieces of 100% all-white meat Spicy Popcorn Chicken, loaded with cheddar cheese sauce, shredded cheddar cheese, Good Good Sauce & buttermilk ranch.
- Spicy Popcorn Chicken Big Box Combo$12.49 • 75% (4)Includes curly fries and choice of drink.
- Large Spicy Popcorn Chicken Combo$10.23 • 80% (5)Includes large curly fries and your choice of a large drink.
- Spicy Popcorn Chicken$6.61 • 100% (10)If 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.
- Large Bacon Double Smashed Jack Combo$16.98Two 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$11.74Two 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$14.48Includes large French Fries and your choice of a large drink.
- Classic Smashed Jack$9.241/4lb 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.Popular
- 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$8.24Includes hash brown and your choice of a large drink.
- Bacon, Egg & Cheese Biscuit$4.86 • 100% (3)A warm buttermilk biscuit topped with a freshly cracked egg, melty American cheese & hickory smoked bacon. Your tastebuds just yelled "Buy this sandwich".
- Sausage, Egg & Cheese Biscuit Combo$8.24Includes hash brown and your choice of a large drink.
- Sausage, Egg & Cheese Biscuit$4.86 • 100% (7)A warm buttermilk biscuit topped with a freshly cracked egg, grilled sausage & melty American cheese. It'll be the best decision you make all morning.
- Egg & Cheese Biscuit Combo$7.24A warm buttermilk biscuit, freshly cracked egg & melty American cheese, plus hot coffee & a hash brown. Did someone just say the perfect combo? Thought so.
- Egg & Cheese Biscuit$4.11A warm buttermilk biscuit, freshly cracked egg & melty American cheese. How can something be so simple yet delicious, you ask? It's all in the biscuit.
- Large Pineapple Express Shake$6.61Pineapple Express Shake is back! Sip, sip, relax with this thick & creamy shake with pineapple flavors.
Burger Combos
Chicken Combos
Breakfast Combos
Late Night
Tacos, Fries & Sides
Shakes & Desserts
Drinks
Burgers
Chicken & Salads
Breakfast
- Rating and reviews
4.5
•1500+ Ratings •
21 Reviews
Patricia G.• 05/19/24N/A
Michael R.• 03/07/24Perfect
SARAH T.• 03/07/24Always open 24 hrs
Angelica A.• 02/29/24we love the munchie box
cristy B.• 10/20/23Tacos and egg rolls is delicious specially the shake!!!!
Cristian H.• 09/30/23Good
Regina B.• 08/06/23Everything was there in my order and everything was delicious
Pedro G.• 07/27/23Good food
hortencia B.• 07/24/23quick delivery
Roderick C.• 07/21/23It’s the best
Caroline C.• 05/17/23food are great like always
Marisol F.• 02/19/23fresh
Terrance F.• 02/01/23it was good
Henry A.• 01/27/23Satisfied
Jonatan M.• 01/26/23great
JEREMIAH S.• 01/26/23Good food
eric J.• 12/18/22just good
Leo A.• 10/11/22Awesome!
Katherine R.• 08/14/22Super fast, everything was great!
ALEXIS M.• 11/04/21Great
ZUETY G.• 10/24/21Great!
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Where can I find more Jack in the Box locations nearby?
Visit our page that lists all of the Jack in the Box stores in Fontana.
