About Jack in the Box

Jack in the Box proves that fast food can be packed with flavor, and lunchtime draws quite the crowd to this O Fallon location.

Put the suit away when heading to Jack in the Box ? dress is casual, as are the vibes.

With parking onsite, it's easier to get straight to our delicious food.

You won't need to save up for a trip to Jack in the Box ? most meals cost less than $15. Stop by for breakfast, lunch, or dinner ? Jack in the Box serves up all three meals. Whether you're a party animal or an early riser, the restaurant will be open to serve you 24 hours a day. When you're craving fast food, don't settle for just any joint. Pick up a quality meal from Jack in the Box.