Jack In The Box

3910 Sierra Avenue, Fontana
(909) 429-0170


Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours


Google Google: 3.9
Yelp Yelp: 1.5
Foursquare Foursquare: 5.6

Recent Comments

Yvonne Steinhoff

Was nice to see one havent been to one since we left Utah aprox 6 yrs ago

Kristi Rose

Loved the cashier. Very enthusiastic and energetic. Very nice attitude. Food was hot and delicious.

Ryan Velasquez

More Comments(5)



#What's Hot | #Burgers | #Chicken & Salads | #Tacos, Fries & Sides | #Breakfast | #Brunchfast® | #Late Night | #Shakes & Desserts | #Drinks | #Kid's Combos

What's Hot

combo meal includes a small regular fries and drink
Sriracha Curly Fry Burger Munchie Meal$6.00
Guacamole & Bacon Chicken Sandwich$7.07
Guacamole & Bacon Chicken Sandwich - ComboSmall$9.56
Guacamole & Bacon Chicken Sandwich - ComboMedium$10.25
Guacamole & Bacon Chicken Sandwich - ComboLarge$10.55
Cinnabon® Iced CinnaCoffee$


combo meal includes a small regular fries and drink
Classic Buttery Jack™$5.76
Classic Buttery Jack™ - ComboSmall$7.95
Classic Buttery Jack™ - ComboMedium$8.64
Classic Buttery Jack™ - ComboLarge$8.94
Bacon & Swiss Buttery Jack™$6.16
Bacon & Swiss Buttery Jack™ - ComboSmall$8.35
Bacon & Swiss Buttery Jack™ - ComboMedium$9.04
Bacon & Swiss Buttery Jack™ - ComboLarge$9.34
Double Jack®$5.51
Double Jack® - ComboSmall$5.99
Double Jack® - ComboMedium$6.68
Double Jack® - ComboLarge$6.98
Ultimate Cheeseburger™$5.81
Ultimate Cheeseburger™ - ComboSmall$7.88
Ultimate Cheeseburger™ - ComboMedium$8.57
Ultimate Cheeseburger™ - ComboLarge$8.87
Bacon Ultimate Cheeseburger™$6.40
Bacon Ultimate Cheeseburger™ - ComboSmall$8.49
Bacon Ultimate Cheeseburger™ - ComboMedium$9.18
Bacon Ultimate Cheeseburger™ - ComboLarge$9.48
Sourdough Jack®$5.71
Sourdough Jack® - ComboSmall$7.84
Sourdough Jack® - ComboMedium$8.53
Sourdough Jack® - ComboLarge$8.83
Spicy Sriracha Burger$5.67
Spicy Sriracha Burger - ComboSmall$7.63
Spicy Sriracha Burger - ComboMedium$8.32
Spicy Sriracha Burger - ComboLarge$8.62
Jumbo Jack® $2.69
Jumbo Jack® - ComboSmall$5.83
Jumbo Jack® - ComboMedium$6.52
Jumbo Jack® - ComboLarge$6.82
Jr. Bacon Cheeseburger$1.97
Jr. Jumbo Jack®$

Chicken & Salads

combo meal includes a small regular fries and drink
Guacamole & Bacon Chicken Sandwich$7.07
Guacamole & Bacon Chicken Sandwich - ComboSmall$9.56
Guacamole & Bacon Chicken Sandwich - ComboMedium$10.25
Guacamole & Bacon Chicken Sandwich - ComboLarge$10.55
Jack's Spicy Chicken®$5.39
Jack's Spicy Chicken® - ComboSmall$7.46
Jack's Spicy Chicken® - ComboMedium$8.15
Jack's Spicy Chicken® - ComboLarge$8.45
Jack's Spicy Chicken® with Cheese$5.89
Homestyle Ranch Chicken Club$6.13
Homestyle Ranch Chicken Club - ComboSmall$8.29
Homestyle Ranch Chicken Club - ComboMedium$8.98
Homestyle Ranch Chicken Club - ComboLarge$9.28
Sourdough Grilled Chicken Club$6.08
Sourdough Grilled Chicken Club - ComboSmall$8.20
Sourdough Grilled Chicken Club - ComboMedium$8.89
Sourdough Grilled Chicken Club - ComboLarge$9.19
Crispy Chicken Strips$6.05
Crispy Chicken Strips - ComboSmall$8.20
Crispy Chicken Strips - ComboMedium$8.89
Crispy Chicken Strips - ComboLarge$9.19
Chicken Club Salad$6.76
Southwest Chicken Salad$6.76
Grilled Chicken Salad$6.76
Chicken nuggets5 pc.$1.71
Chicken nuggets10 pc.$3.28
Chicken nuggets20 pc.$6.05
Chicken nuggets - ComboSmall$5.99
Chicken nuggets - ComboMedium$6.68
Chicken nuggets - ComboLarge$6.98
Chicken Fajita Pita$5.86
Chicken Fajita Pita - ComboSmall$7.67
Chicken Fajita Pita - ComboMedium$8.36
Chicken Fajita Pita - ComboLarge$5.66
Chicken Teriyaki Bowl$6.17
Chicken Teriyaki Bowl - ComboSmall$8.14
Chicken Teriyaki Bowl - ComboMedium$8.83
Chicken Teriyaki Bowl - ComboLarge$9.13
Chicken Sandwich$1.33
Side Salad$2.19

Tacos, Fries & Sides

combo meal includes a small regular fries and drink
Seasoned Curly FriesSmall$2.77
Seasoned Curly FriesMedium$3.12
Seasoned Curly FriesLarge$3.49
French FriesSmall$2.45
French FriesMedium$2.81
French FriesLarge$3.17
Onion Rings$3.56
Bacon Cheddar Potato Wedges$3.66
Egg Rolls1 Egg Roll$2.23
Egg Rolls3 Egg Roll$4.55
Stuffed Jalapenos$3.05
Monster Taco™$1.92
Monster Taco™ - ComboSmall$5.46
Monster Taco™ - ComboMedium$6.15
Monster Taco™ - ComboLarge$6.45
Bacon Ranch Monster Taco™$2.27
Bacon Ranch Monster Taco™ - ComboSmall$5.81
Bacon Ranch Monster Taco™ - ComboMedium$6.50
Bacon Ranch Monster Taco™ - ComboLarge$6.80
Nacho Monster Taco™$2.27
Nacho Monster Taco™ - ComboSmall$5.81
Nacho Monster Taco™ - ComboMedium$6.50
Nacho Monster Taco™ - ComboLarge$6.80
Tacos - ComboSmall$4.97
Tacos - ComboMedium$5.66
Tacos - ComboLarge$5.96
Apple Bites with Caramel Dip$


combo meal includes hashbrown and coffee
Supreme Croissant$3.85
Supreme Croissant - Combo$5.58
Sausage Croissant$3.56
Sausage Croissant - Combo$5.27
Grande Sausage Breakfast Burrito$4.41
Grande Sausage Breakfast Burrito - Combo$6.13
Meat Lovers Breakfast Burrito$4.41
Meat Lovers Breakfast Burrito - Combo$6.13
Loaded Breakfast Sandwich$4.56
Loaded Breakfast Sandwich - Combo$6.17
Extreme Sausage® Sandwich$3.72
Extreme Sausage® Sandwich - Combo$5.51
Ultimate Breakfast Sandwich$4.17
Ultimate Breakfast Sandwich - Combo$5.87
Grilled Breakfast Sandwich$4.25
Grilled Breakfast Sandwich - Combo$5.91
Jumbo Breakfast Platter$4.30
Sausage, Egg & Cheese Biscuit$3.23
Sausage, Egg & Cheese Biscuit - Combo$5.01
Bacon, Egg & Cheese Biscuit$3.23
Bacon, Egg & Cheese Biscuit - Combo$5.01
Bacon Breakfast Jack®$2.12
Bacon Breakfast Jack® - Combo$4.16
Breakfast Jack®$1.73
Breakfast Jack® - Combo$3.87
Hash Browns$1.68
Mini Pancakes$1.44


combo meal includes a side and drink
Bacon & Egg Chicken Sandwich $5.64
Bacon & Egg Chicken Sandwich - Combo$7.86
Brunch Burger$4.87
Brunch Burger - Combo$6.98
Southwest Scrambler Plate$5.70
Southwest Scrambler Plate - Combo$7.99
Homestyle Potatoes$2.60
Orange Cranberry Muffins$1.66
Grilled French Toast Plate$

Late Night

combo meal includes two regular tacos, halfsie fries and drink
Sriracha Curly Fry Burger Munchie Meal$6.00
Spicy Nacho Chicken Sandwich Munchie Meal$6.00
Stacked Grilled Cheese Burger Munchie Meal$6.00
Chick-n-Tater Melt Munchie Meal$6.00

Shakes & Desserts

OREO® Cookie Ice Cream Shake$3.75
OREO® Cookie Ice Cream ShakeLarge$4.35
Chocolate Ice Cream Shake$3.75
Chocolate Ice Cream ShakeLarge$4.35
Vanilla Ice Cream Shake$3.75
Vanilla Ice Cream ShakeLarge$4.35
Strawberry Ice Cream Shake$3.75
Strawberry Ice Cream ShakeLarge$4.35
Mini Churros5 pc.$1.47
Mini Churros10 pc.$2.57
Chocolate Overload™ Cake$2.29
NY Style Cheesecake$2.19


Blood Orange Fruit Cooler$2.27
Blood Orange Fruit CoolerLarge$2.81
Original Iced Coffee$2.39
Original Iced CoffeeLarge$3.47
Mocha Iced Coffee$2.39
Mocha Iced CoffeeLarge$3.47
Premium Roast Coffee$2.39
Premium Roast CoffeeLarge$3.47
Fresh Brewed Iced TeaSmall$2.07
Fresh Brewed Iced TeaMedium$2.32
Fresh Brewed Iced TeaLarge$2.53
Raspberry Iced Tea24 oz$2.44
Mango Flavored Ice Tea24 oz$2.44
Peach Flavored Ice Tea24 oz$2.44
Raspberry Iced Tea32 oz.$2.68
Mango Flavored Ice Tea32 oz.$2.68
Peach Flavored Ice Tea32 oz.$2.68
Raspberry Iced Tea44 oz.$3.04
Mango Flavored Ice Tea44 oz.$3.04
Peach Flavored Ice Tea44 oz.$3.04
Diet Dr Pepper® Small$2.07
Diet Dr Pepper® Medium$2.32
Diet Dr Pepper® Large$2.53
Dr Pepper®Small$2.07
Dr Pepper®Medium$2.32
Dr Pepper®Large$2.53
Diet Coke®Small$2.07
Diet Coke®Medium$2.32
Diet Coke®Large$2.53
Barq's® Root BeerSmall$2.07
Barq's® Root BeerMedium$2.32
Barq's® Root BeerLarge$2.53
Minute Maid® Orange Juice$2.20
Minute Maid® Apple Juice$2.20
Dasani® Bottled Water$1.82
Low Fat Milk Chug 1%$1.85
Cinnabon® Iced CinnaCoffee$
Minute Maid® Lemonade$
Hi-C® Flashing Fruit Punch$
Fanta® Strawberry$
Fanta® Orange$

Kid's Combos

Includes choice of apple bites or fries and choice of kid's beverage
Chicken Nuggets$4.07
Chicken Strips$4.76

Menu Review

Get classic burgers and sandwiches fast at Jack in the Box. The Buttery Jack has your back. But if you're not feeling very burgerific today, then maybe that Monster Taco is calling your name. Sides and milkshakes add even more munch to your lunch. And if you're on the go in the morning, pop by for breakfast with the Breakfast Jack to fuel up right. Jack in the Box is the fastest way to get good food to go!

Jack In The Box
Jack In The Box

Jack In The Box

3910 Sierra Avenue, Fontana, CA 92336